Computer Support Forum

Power Supply Question.

Question: Power Supply Question.

Hi guys, I have a question. Right now I have an emachines T6534 tower http://www.e4me.com/products/products.html?prod=T6534 with a 300watt standard power supply. I recently (about 3 weeks ago) purchased an EVGA 7600GTS http://www.newegg.com/Product/Product.asp?Item=N82E16814130054, and have been running it in the machine without any problem, but now I want to upgrade to a gig of RAM by putting in a 512mb stick http://www.newegg.com/Product/Product.asp?item=N82E16820145026. The question is, do I need to upgrade my PSU to do this? The only things I currently have plugged in are a keyboard, mouse, and wireless USB adapter. Thanks alot for the input.

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Preferred Solution: Power Supply Question.

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Answer: Power Supply Question.

You shouldn't, although more watts on PSU would be helpful.

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I have a W540, which currently uses a 170W power supply (20V 8.5A) I also just recieved a docking station for a P50 which has a 230W power supply showing 20V 11.5A. The connectors look the same, but I'm hesitant to try the 230W power supply in the W540. Should this be ok to use the 230W power supply with the W540?













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Answer:Power Supply Question - Can I use the 230W power supply with a W540?

230 watts is the maximum power supply, it only supplies the power needed by the computer. I sold my W540, so i can't test this for you. But i do the use the ThinkPad X1 Carbon with the 230 watts power adapter without any problem.

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I have a server that I would like to upgrade to 20 1TB Hitachi HD's. They claim max startup current of 2A. and idling down in the .5A range. The platform will be a 775-series X48 with a 6600 Core Duo. Graphics card is small, does not even require aux power connector. Not needed to just supply the KVM with 1280x1024. No other signficiant sources of 12V drain exist other than the MB/CPU, a slim CD-Drive for installs, a slim floppy, and one additional 30GB SSD startup drive (2W when active).

I am looking at an 850W Corsair. I've heard these are quality supplies and I don't want multiple rails since no one really knows what sort of Voodoo goes on as to how they divide multiple rails up. And I don't want to get into that. I will be using a single-rail +12V PS. I can add a second if I need to but I'd rather not.

Do you think this will be sufficient for handling 20 Hitachi hard drives? "Green" drives are a non-starter since they will drive my Raid 6 controller, and then me, off the deep end with TLER issues. I do have staggered spin-up control of the drives with the controller.

Thanks for any help.
 

Answer:Power Supply Question & HD Power Consumption

Power Supply Question & HD Power Consumption, Pt. 2 - Laptop vs. 3.5"

My second question is this - I have a BTV server that needs to be on at all times during the season to record shows during day and evening.

Suffice it to say that you CANNOT reliably put one of the critters into sleep/hibernate mode and expect it to wake up and reliably record a show. It just won't happen.

Now, this is one case where I can use "Green" 3.5" drives, but I am also considering banking 500GB 7200RPM or even 5400RPM laptop drives. These will all be on a raid controller, but since they will be in pass-thru mode or RAID 0 mode the controller won't freak over TLER like it would with RAID 5/6 and mark the drives bad. The controller also has more than adequate cache to handle a 5400RPM spindle as OTA HDTV generates little more than 2.5MB per second per channel. Even 4 channels at once is 10MB/s and that should not tap the ability of a 3Ware controller with cache on 5400 RPM RAID 0 or even pass-thru drives.

My question is this - 2 500GB laptop drives burn much less startup and idle current than a single 1TB 3.5" drive. Has anyone tried running multiple laptop drives on a RAID controller, and what sort of luck have you had? What sort of sustained throuput can you obtain?

Electricity is a huge factor here, at 12 cents per KWh. I can recover the marginal cost of 2 500GB laptop drives vs. 1 1TB 3.5 drive.

Case construction and drive cages are no... Read more

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where do you find out what your power supply is
 

Answer:I have a power supply question

Looks like e.g. this: http://www.frostytech.com/articleview.cfm?articleID=1228

You will probably have to take it out of the case, to see make/model/specs of it.
 

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Hey guys -

What's your thoughts on a HEC Orion 585 Watt PSU?? There are both good and bad reviews online for it. Someone is asking $45 for it brand new, but I think its much closer to a $25 power supply now, which has me thinking its not the greatest, even if I can pick it up for $25...

Thanks!
 

Answer:Power Supply Question

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is a micro atx power supply same as atx power supply?i am about to build first system but am finding not many choices for a micro atx ps.... the build will be a mztx form factor so  that is why i asking....will an atx power supply work, or should i stick to my limited choice for matx...?here is the one im thinking of, tell me what you think please.....400 w and 21v on the +12v rail....is that decent?i will have an intel quad core processor and appropriate mb, with one 500g hard drive 1, dvd/cd rw drive, 1 media card unit, a few usb ports and a 9300 gt gpu.....? oh yeah and 3 or 4 case fans.....http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3860496&CatId=1078

Answer:Power supply question

Micro ATX is essentially the same form factor as standard ATX, only with smaller wattage and physical size. A standard ATX power supply would work in a Micro ATX case if the physical dimensions fit.

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ok my power supply just died on me so i went online looking for a replacement..... but there are two cables i cant identify i see the ones that go to the MB the 24 pins i see the normal power ones and the sata ones the ones i cant identify look like male connecters three pin i know they connect to like the lcd infront of the case anyone know what they are called?
 

Answer:Power Supply Question..

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But this one has to do with another cumputer here at work...

The power supply to one of the computers here at work is dead. Our tech guy came and took it with him but just called and lesft me a message asking how many pins the power supply has.

How/Where can I find this information?
 

Answer:Another Power Supply Question

If he has the power supply with him he should know how many pins it has. If he's asking about the main plug on the motherboard you can count the number of holes. It will either be 20 or 24.
 

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I'm planning on buying a sapphire x1900gt ( http://www.newegg.com/Product/Product.asp?Item=N82E16814102022 ) and I need a new power supply for my system. I'm deciding between these two (i know i can get it cheaper elsewhere, but i have best buy gift cards to use)http://www.bestbuy.com/site/olspage.jsp?skuId=8013302&type=product&productCategoryId=pcmcat107700050048&id=1156203858494http://www.bestbuy.com/site/olspage.jsp?skuId=7069496&type=product&productCategoryId=pcmcat107700050048&id=1108126220085Which would be the better buy? I don't know anything about psu manufacturers and their reliability. Also, is there any danger in upgrading the power supply? Would having a larger (i have a 300w now) psu pose any threat to the system? thanks a bunch.

Answer:Power supply question

threegunvash......  http://www.bestbuy.com/site/olspage.jsp?skuId=8013302&type=product&produ ctCategoryId=pcmcat107700050048&id=1156203858494    this one is decent . Antec make a pretty good PSU ......  AND putting in a larger PSU will not hinder anything , in fact "Larger is better" when refering to PSUs.dl65  

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I have an emachines 2800+ Xp machine with a 250 watt PSU.

I am going to purchase a 256MB Radeon 9600 AGP. Do I need to worry about the PSU? If so, can I swap? Thanks folks
 

Answer:Power Supply question

Its hard, a 9600 isnt a power hungry ground breaking card, but a 250w is really low.

If you have the money I'd do it to be safe, otherwise if it would be a big struggle I'd roll the dice & stick with the current psw. I recon you'd be ok but you never know. Maybe someone would have a better insight here.
 

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I'm building a Gaming rig for as cheap as possible.
150$ cpu - video card - 50$ mobo . I checked the Newegg power supply chart and it says I should get 450w.

I can get a 80 certified 500w PSU for 40$ or a 600w non 80-cert psu for 30$.

Newegg.com - Diablotek DA Series PSDA600 600W ATX12V v2.2 Power Supply 30$
Newegg.com - COOLMAX ZX Series ZX-500 500W ATX12V v2.2 / EPS12V v2.91 SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply 40$

If my system really only pulls 450w, would the 500w work?
more importantly, even if the 600w only runs at 75 percent, it should work also right?

I dont have 50 bucks to blow on a PSU. Hardly 40.

Anyone know of a great PSU for cheap?

Answer:Power supply question.

Currently Im hoping this one will work.
Newegg.com - hec HP585D 585W ATX12V Power Supply - No Power Cord - Power Supplies

its only 25$

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Hey all, new to site, Q.. Have a power supply, HP-D3057F3R Hipro. When plugged in ,no fans turn on, no hard drive spin, only flashing green light on back of power supply. This is a sata ps. ? power supply dead ? Thanks Also anyone know how to test this supply ? Thanks again
 

Answer:Hp power supply question

The easiest and quickest way to test the power supply is to take the tower to a shop where they have a power supply tester.

They can test the power supply and if the power supply is defective they also can "jump" a known good power supply to the motherboard to make sure that when the power supply failed it didn't take out the motherboard.

I do these tests quite often in my shop, takes about 30 minutes total time and the cost should be minimal perhaps $25-$30.
 

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iv recently had some bad computer luck. what happened is that my computer would shut off at random for no reason and the light on the front would blink untill i unplugged the power supply then it would stop id try again and the same problem would happen. now it doesnt even start it freezes while loading i think its because it doesnt have enough power to run the devices in my computer. does anyone know if this is my power supplies fault

Answer:Power supply question

blinking could mean a few things including your computer shut down due to serious overheat, under powered, cpu failure, ...
is there dust inside your computer?
is there dust on the fans of your computer?
when you turn your computer on can you go into your bios and find an area that gives your temperatures, fan speed, voltage??????

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I have a question about the +12 rating on a PSU. I have a 14A rating. Is a higher or lower number better. Reason is, I'm looking to upgrade my video card, but don't want to change the PSU too.
 

Answer:Power Supply Question

The higher the number the better. Does your PSU by chance have two 12v rails? If so, you can add the two together (but not the -12v rail).

It'll all depend on what you have, and what you are trying to put in. If you are wanting to put in a newer graphics card, you'll want to be up in the 24A range total on your 12v rail(s).
 

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I lost the power supply for my laptop.
Bought an aftermarket one & it's working fine.
I have an old Targus PA350 12v power supply that I would like to use in the truck.
Problum??? Targus quit supporting this model long before my laptop was made.
I have found a tip that fits. But it says it's 19.55VDC/3.65A
Laptop uses 19v/3.2A
What would happen if I try to use the PA350 for power? Will I burn up my laptop?? Will it just run *SUPERCHARGED* ??

Thanks for any insite you might come up with.
 

Answer:Power supply question

Not certain what you mean by "Tip"

But if your PSU supplys 19.55VDC/3.65A that is what the power supply is capable of producing..........the wattage is the maximum it can produce............the VDC is were your problem is; as it is .55 VDC over what you require, which can cause problems........Now you could use a 4 amp resistor to drop the voltage to the 9VDC you require, but electrical knowledge is required to do so properly.
Hope that Helps
 

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With the cost of electricity nowdays, I was wondering about power supply electrical consumption:
Does a typical power supply draw the exact amount of current it is rated at on a consistent basis or does it adjust itself to only use as much AC current as the computer is using at whatever time?
For example, say I have a computer that draws 150 watts of power for its use but it had a power supply that is rated at 450 watts. Would the electrical usage of this computer be 450watts, 150 watts or some other amount?
 

Answer:Power Supply Question

The power supply's energy consumption is directly related to the amount of hardware that's attached to it, therefore a 450W PS might draw a little more power than a 300W PS, but not necessarily depending on the PC's power requirements from the CPU and drives.

As per your example, I would expect the 450w supply to draw approximately just a little more than 150w.

The rating put on the supply is the max wattage drawn before the supply becomes overheated or unstable.
 

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I have a powermax power supply that I bought like a year ago at a local computer store. Ive been having an issue with it. It seems that sometimes it wont power my computer, it seems to power up and quickly shut off. If I change the voltage setting it works fine but my pc doesnt boot up it just powers on. The way Ive been getting it to work is that when it doesnt power on and stay on I hit the on off swith on the power supply itself. I put it to on and i push my power button on the front of my pc then it starts and stays on. Sometimes it doesnt work like that but rather after I toggle on and off the power switch on the power supply several times. I have no real idea what it could be. has anyone ever had something like this happen?

BTW I took the power supply to get it tested and it works obviosly.

I dont know if its my power supply or maybe a motherboard issue or what?

Please help
 

Answer:Power supply question

First of all STOP cycling the power on and off. You will make a bad situation much worse. Next replace the ps. Cold boot problems that go away after the first failed boot are almost always ps problems. Do not buy a cheap ps like powmax, deer, allied, foxconn, raidmax or any other cheap brand. Go with a quality unit like antec, enermax, coolmax, enlight, or sparkle. There are other good brands, however those are what I use in my builds.
 

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I'm wondering if perhaps my random reboots are power related (all minidumps point to hardware). I can reliably recreate reboot when stressing computer through Prime95 or OCCT. I've bought a new PSU (cheapy I'm afraid) to no avail. I've read in other forums that it's really a key to have the +12v rail over 20 amps for Athlon XP systems (even though AMD recommends only 15-18 amps) which my new power supply isn't (old psu wasn't either). Any suggetions on the what amps are needed on the different rails for best, most stable results? Any help would be great. Here are my system specs (no overclocking):

Operating System : Windows XP Professional
CPU/Processor : Athlon xp 2600 +
Motherboard : gigabyte 7nf-rz
Hard Disk : maxtor, Space: 120 GB
RAM: 2 sticks of 512 ddr 2700
Video Card : Nvidia GeForce FX 5200
Video RAM : 128 MB
Sound Card : Soundblaster Live! Value
 

Answer:Power Supply Question

the amount of current on the +12V rail needed will depend on the PSU. on a cheap PSU, they "play" with the numbers to make the amperage and overall power rating seem much higher than it truely is. (they basically rate the wattage at an ambient system temp much lower than the average system really is) They also have more current on the 3V and 5V rails (which newer systems no longer need).

for now you should strip your system down to bare bones. Run it with just the CPU, 1 stick of RAM, onboard sound, and the boot hard drive (make sure that power cables are disconnected to all other unused components)

boot up and try to make the system reboot, if it doesn't... then add 1 component at a time until you find your problem
 

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hi, i just bought a new HP model Desktop PC, the a6112n Desktop PC, and it has a M2N68-LA motherboard, and a 250-W power supply. i want to upgrade the power supply so i can run better video cards, but im worried that it might fry the whole computer. the info about the computer can be found here:

http://h10025.www1.hp.com/ewfrf/wc/...0883&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN

and info about the motherboard can be found here:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00906129&lc=en&cc=de&dlc=&product=3397528

there was also a bit of discussion about upgrading a video card in another thread, and the person asking the question was using the same motherboard. somewhere in the thread the user mentioned having a 700-W power supply. i want to know if i can upgrade to something similar, just not as much. here's the link for the discussion, if that helps any bit:

http://forums.techguy.org/hardware/615243-m2n68-la-narra-mb-ati.html

i would greatly appreciate any help. im new to hardware, but im trying to learn. i also dont want to fry my pc when i just got it.
 

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I purchased an Antec 550Watt True PSU on a closeout table at CompUSA, at a great price. I believe that it's brand new, and it works great. There is, however, a cracked fan - the one visible at the rear or the case (one of the 4 corners has snapped off and it won't hold a screw). Otherwise, the fan spins and the unit seems stable with 3 screws. It's too late to return, but I don't want to anyway.

Should I replace the fan? I've never opened a power supply before. Or shall I just leave well enough alone?
 

Answer:Power Supply Question

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I currently have an Antec Smart Blue 350w power supply, which is quite a nice power supply despite the fairly low wattage. What i was wondering is if this would be an adequate power supply to sustain a 6800gt. Im currently running a p4 3ghz, 1gb ram, 128mb 9800pro, 160gb HD, 2 Dvd-r drives, etc. Everything runs perfectly with my current psu, but dont know if it would be able to stand a 6800 gt

Answer:Power Supply Question

What are the amps on the 12v rail, and i doubt it will be enough.

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Well the current power supply on my computer is a weak 300w. I currently have an ATI Radeon x1600 pro that doens't require a seperate power supply, so it works fine. Well...this card just isn't fitting my gaming needs to I am upgrading and was looking at the geforce 7900 GT. Well this has a seperate cord that you need to attach to your power supply and it recommends at least 350w. So I have a couple questions.

1. Do I have to get another power supply? I only have 1 cd-rom drive, 1 hard drive, and 1 gig of memory. So since my system is "fully loaded" would it be totally necessary to get a bigger power supply?

2. Where do you connect it to the power supply from the graphics card? There's a cable coming off my hard drive that looks like it could connect to the card, but isn't the card supposed to go straight to the power supply? I don't understand where it connects to.

3. I have ATA connections for my hard drive and cd-rom drive. EVERY SINGLE power supply I looked up, they ALL say "SATA" or "SATA-ready". Will the "SATA-ready" ones still work with my ATA connections? If not, where in the world do I find a good power supply, 450-500w, that supports ATA connections?

If someone could please hlep i would greatly appreciate it, thanks!
 

Answer:New here, need help with power supply question

1. It's best for the psu to meet or exceed the card's power requirement. In your case, 7900GT may drop framerates & even not power up with 300w.

2. A retail box will come with a power cable splitter. White plugs into your psu, black plugs into the card's top-right 6-pin connector.

http://www.kohryu.com/picture/galaxy/7900gt-all.jpg

3. SATA is pretty much standard. All psu's support ATA/PATA/IDE as well.

http://www.newegg.com/Product/Product.asp?item=N82E16817104954
http://www.newegg.com/Product/Product.asp?Item=N82E16817153023

These are good budget psu's.
 

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Hello everyone ...

Although I am a huge PC enthusiast, I am building a different sort of machine that makes use of a typical PC Power Supply.

OK, I'll just admit it ... I'm making a food dehydrator ... and I need to rig some fans to facilitate airflow / convection.

Here's my idea: Use a powersupply, connected to several PC fans, to drive that airflow through the dehydrator itself.

My question: The main 20 pins connector (coming from the Power Supply) needs to have a jumper on some pins .... right? Which ones? How do I rig this puppy so it's stand-alone and powers the fans only?

Thanks!
 

Answer:Power Supply question

They are all posted on good power supply manufacturer sites... and in such books as Building and Repairing PC's.

The problem is that food properly handled in a dehydrator requires better, and more consistent airflow, and temperature controls, than any power supply I have seen can handle... leading to spoilage. You are likely to have quality control problems... no to mention insects.
 

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Hi. Whats the highest watts that a micro atx power supply goes?
 

Answer:question about power supply...

Using http://www.google.com

The biggest I found was 300w - made by IROCK. I did not post a link as the site was popup he!!
 

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Ok, i currrently want to upgrade my video card from a crappy radeon X600 to a EVGA GeForce 8800GTS 640MB 320-bit GDDR3 card. I was reading reviews about it, and people said that the card runs hot and, for some people they had to upgrade thier PSU just to use the card. My question is how to tell if your computer and powersupply can support the card or not.
System specs

Proccesor-Intel(R) Pentium(R) D CPU 2.80GHz
Ram-1 gig (but im upgrading to 3 gigs)
Dell
Windows Xp
Motherboard Model 0YC523

Thank you for taking time to read this
 

Answer:Power supply question

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My friend has an HP Pavillion with an AMD Athlon XP that just all of a sudden stopped powering up. I haven't personally looked at it yet, but it sounds like the power supply to me. Its about 3 years old and he leaves it on 24/7. Anyways, he wants me to change his power supply for him. My question is What kind of power supply do those computers use? I mean like is there a certain type of mount or am i just gonna hve to open it up and take a look at it myself? Can i just get any kind? I've never taken apart a store bought computer and his warranty is up so he asked me to do it for him. I'm trying to price out a power supply but don't know what to look for.

Thanks in advance.
 

Answer:Power Supply question...

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I'm wondering if perhaps my random reboots are power related. I've bought a new PSU (cheapy I'm afraid) to no avail. I've read in other forums that it's really a key to have the +12v rail over 20 amps for Athlon XP systems (even though AMD recommends only 15-18 amps) which my new power supply isn't (old psu wasn't either). Any suggetions on the what amps are needed on the different rails for best, most stable results? Any help would be great. Here are my system specs (no overclocking):

Operating System : Windows XP Professional
CPU/Processor : Athlon xp 2600 +
Motherboard : gigabyte 7nf-rz
Hard Disk : maxtor, Space: 120 GB
RAM: 2 sticks of 512 ddr 2700
Video Card : Nvidia GeForce FX 5200
Video RAM : 128 MB
Sound Card : Soundblaster Live! Value
 

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I received this question in selling my power supply

"Does this model have the removable MOLEX and SATA cables?"

This is the info i have on my product
The NEW SmartPower 2.0 is ATX12V v2.0 compliant, with dual+12V rails, 4 serial ATA connectors, and Antec's Unique Dual Fans Design for virtually silent operation. All SmartPower 2.0 power supplies carry UL, CUL, T?V, CB, FCC Class B, CE and CCC certified safety approvals.


Features:

* ATX12V version 2.0
* Dual 12V output circuitry provides added system stability and meets 240VA UL requirements and safety purpose: 12V1 for Motherboard and peripherals; 12V2 for processor
* ATX12V v2.0 compliance allows SmartPower 2.0 to consume up to 25% less power than standard power supplies, saving you money on your electric bill. 24-pin power connector with detachable 4-pin section.
* 4 SATA Connectors support Serial ATA drives
* Flow-through dual 80mm fans (one intake and one exhaust)
* Unique Dual Fans Technology: exhaust fan starts to spin when the power supply reaches certain temperatures to ensure proper airflow, the second fan spins on power up
* Industrial grade protection prevents damage resulting from short circuits, power overloads, excessive current, low voltages and excessive voltages
* Increased 12V output capability for system components that consume more power from 12V rail
* PCI-E graphic connector
* Safety approvals: UL, CUL, TUV, CB, FCC Class B, CE, CCC... Read more

Answer:Hello, Power Supply question

There is a real easy way to answer this. Can you remove the cables from the unit? If so then answer yes. If not then answer no.

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Regarding power supplies, are they always drawing full current? For instance, if I'm using a 700 watt power supply, and I only have the motherboard, 1 hard drive, and 1 dvd-rom hooked up, is it still using the full 700 watts of power?

Answer:Power supply question

Nope,It only draws what it needs to power the components

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I am in the market for a new power supply for my computer, and I was just wondering would it be bad to get a power supply with a fan on the top for a case with it's psu mounted at the top of the case?
 

Answer:Power supply question.

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I'll be getting some new parts for my computer soon, but I'm not sure if my power supply will be able to take it all. This is what my system will look like:

OS: Windows XP Home 2005
Processor: AMD Athlon X2 6000+
RAM: 3 GB
Video Card: NVIDIA Geforce 7950 GT
Power Supply: 305 W

I know the supply is a little low, but my system is a bit 'barebones', just the normal stuff, nothing extra. So, is my power supply fine?
 

Answer:Power Supply Question

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How can i find out how much watts is my PSU(POWER SUPPLY) without opening the computer. I bought an Acer Desktop and i did not choose the PSU so i do not know how many watts is it.

Thanks alot for your help.
 

Answer:psu (power Supply) question.

Go to the Acer site and look up your model specs.



 

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This afternoon I started hearing a noise from a fan. Not real loud but it was just louder than usual. I took the cover off and it is the Power Supply fan that is making the noise. Everything still works OK, but just curious if this has happened to any of you and if you think this might be the Power Supply on the way out. Thanks,

Answer:Power Supply Question

Mine started ding that after a few months. I decided to get an RMA on it but never bothered and it's still running fine.

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i have a 500 watt compusa brand power supply sitting in my closet. i want to put it in my PC. can i trust this power supply or should i question the quality of a CompUSA power supply? i have not heard the best things about them, but i want to hear what u guys have to say about it.
 

Answer:Power Supply Question

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Hi, I heard something about some power supply's are actual not the same output wattage they are rated as"?

i heard that it should be "heavy" if its atruly that wattage.

for exampel i have an OKIA-420ATX (okia 420watt max power supply), but it doesnt feel to heavy.
Is this a bad power supply? In my current computer i have a RAIDMAX 350 max power supply, and i dont know if thats enough, thinking of switching to my 420 one).

its a computer with an amd xp 2500+ overclocked to 3200+
64mb video cardf mx440
512mb ddr memroy
cd burner
dvd rom drive
floppy drive
4 case fans
sound card sound blaster
56k modem
80gb hard drive

is the raidmax 350 enough for this?
also i have another computer with only 250watt power supply, and im thinking of upgrading it, i was gonna put in the okia 420 one, but dont wanna waste it on a less powerful computer if my 3200+ xp compuer needs it instead of the 350 power supply.

my other computer has tehse specs...
amd xp 2100+
512mb ddr
cd burner
dvd drive
floppy
56k modem
60gb hard drive
thanks,

also last question - what are "brushless case fans"?

thanks
 

Answer:power supply and fan question

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I am looking at new power supplies and was wondering if it pays to buy one larger than you need at this time?

Does a 550 watt power supply draw 550 watts all the time or only when needed? If they do not draw to their maximum capacity, it seems like it would be better to buy one larger than you need right now because the only cost would be the drive itself and not an increased electric bill and more heat.
 

Answer:Power supply question

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the mother board i'm currently looking at supports like 6 sata drives, but of the power supplies i have looked at none have more than 2 sata power connectors, I don't know very much about sata and am wondering, Am I not looking hard enough for power supplies, or is there something I don't understand?
 

Answer:power supply question

The SATA is used for connecting your drives. Your power supply for all I know doesn't need those type of connections. You just need SATA drives or SATA converters for your current drives, along with SATA cables. You could probably just by a power supply that has enough wattage for your motherboard and it should work.
 

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I have a Dell 8400 with 3.2 Pent. 4 ,SATA 160 gb HD. a CD/DVD RW drive,a floppy drive and a SATA PCI Host card to drive an external SATA HD. It has a Radeon X300 series video card. The system has a 350 w power supply. If I changed the video card to a XFXGeForce 6800GS would I need a bigger power supply.
 

Answer:Power Supply Question

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I know this is probably a very dumb question but how exactly do I install this power supply? Do I want the fan facing up or down? Thanks.

http://aspireusa.net/product.php?pid=26&xcSID=3d54ffcab4d5805a45166f9cae4761df
Also does anyone know how to fix an error code 9.F on an ABIT AV8-3rd Eye Motherboard?
 

Answer:Power Supply Question

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Is 11.9 volts with the 12volt under Heavy Load acceptable? I purchased a multimeter and my power supply supplied 12 volts of power under regular use, but when I ran ALOT of benchmarks and stressed the CPU and ram to max, My 12 rail goes down to 11.9. Is this seriously undervolting, or can it be tolerated to an extent? Thanks.

Answer:Power supply Question

BMP

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I've been running the stock HIPRO 300W PSU on my system for years now (recently been making strange noises from the fan) and I've been recently adding more stuff to my system. My case and MOBO's form factor is micro ATX. when i see a micro ATX PSU, it looks small and/or it doesnt even have the same bolt pattern. is this what i would buy if i might need one? any help is much appreciated.
 

Answer:Power supply question..

Well first we would need to know the model number of the pc and maker. Some psu's were proprietary but replacements can be had. Please list specs for further help
 

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My computer currently says on its system specs that under Power Supply : Minimum of 295 watts 50/60 hz . Voltage is like 100-240. Most up to date video cards need 350 watt power supply and im guessing mine is just 295 watts. Its a sony vaio btw. My old video card ATI (Sapphire) Radeon 9250 256MB DDR/8x-AGP/TV-Out/DVI (OEM I can't find out the minimum power supply for it so my conclusion is it was never included in any of the system specs becase it needed i guess the norm amount most computers at that time should have. I found this 400 watt power supply for just 29.99 at http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=544429&Sku=T13-2002 . If i do decide to buy it are there any specifications before i buy a power supply to make sure I'l be able to pop it into my desktop? Just like anything because I don't want to buy this then figure out that 400 watts doesn't go with my 295 watt pc. Is this a safe buy?
 

Answer:Power Supply Question

As far as I`m aware, Sony use generic psu`s. However, it might be a good idea to check with sony, just to make sure.

As for the psu you`re thinking of buying, don`t. It only has an output of 18amps on the 12volt rail.

This psu HERE, would be a much better buy.

Thanks to DonNagual for the psu link.

Regards Howard
 

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I was wondering if there is a test I can run to see if my power supply is going bad or do I just have to wait until it craps out?

thanks.

Answer:Power Supply Question

They make power supply testers. I have seen them at Circut City and CompUSA.

What makes you think the power supply is gooing bad?

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I have an ancient ASUS P3V4X mobo, it's fine, and I upgraded to a higher wattage PS 2 days ago, a Sigma 550, since I have a DVD Burner, 2 HD's, Sound card, NIC, AGP video, etc. The 'old' PS was only a 250w unit, hence the upgrade.

The new one works fine, but I noticed in the BIOS I was looking at the voltages, and they are as follows:
VCore 1.71v
+3.3 3.50v
+5 4.87v
+12v 13.38/13.45v (it fluctuates)
-12v -11.59/11.67 (it fluctuates)
-5v -12.00v solid.

I don't get the -5v as showing -12.00v, it's solid, never fluctuates, and I'm not even sure what a -5v is for. ( can set it to ignore if I choose)
I do NOT use SATA drives, just your standard ATA Maxtor's, and I do NOT have a PCI-Express video card.

Any ideas on why the -5v shows a -12.00v ? Nothing is burning - yet.
 

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after looking thru my PC, i noticed that my power supply was built for Pentium 4 and the wattage was 400W.

Is that good? I think the minimum on new PC's is 350W...

is a 400W power supply going to last me 3-4 years?

Answer:power supply question

If you're not upgrading, it'll last the life of the power supply... It depends on what you plan on doing with it.

Ryan

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I bought a new video card today, took it home and installed it. It didn’t work because I need to connect it to my power supply… Silly me… The video card box says a 300W or higher power supply is recommended. Mine is only 250. My question is, can I use the video card with just 250W’s or is the 300W’s a must? If I need 300, can I just buy a 300W power supply or do I have to upgrade something else along with it?
 

Answer:Power Supply Question

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Hi everyoneWhilst I'm awaiting a refund from PC Nextday, I've been searching for which PC I should buy instead and have settled on the Solar VX Plus from Evesham:click here for the full specsThe only question that I have is whether the 420W PSU is sufficient to power this system... it seems a little low to me, but there isn't an option to upgrade it.Should I speak with Evesham about this, or is this PSU adequate?

Answer:Power Supply Question

If you have any doubts, especially if you are into gaming, then check with Evesham before placing an order. Nothing like having 'official' verification before any event.Evesham are good computer manufacturers, so I would think they have already considered the PSU capacity for the product.

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I just bought an ATI Radeon 9800 Pro (it comes tommowo in the mail) and I read on one website after I bought it that it reccodmends a 300watt PS and another said that a 300watt PS was required. Now I thoguht that my PC would have this, but it turns out that it only has a 250.

Now my real question is, if I try to run this card withmy 250 watt PS do I run the isk of permenantly damaging it? One of my friends said that I woudln't it just wouldn't run well if it wasn't getting enough juice.

But since there is a fan built onto it, I was thinking it might overheat and burnout if it wasn't gettig enough juice.




One more question:

How will I know if hte PS I buy will fit in my gateway case?

The powersupply slot in my case is at the top of the case... so these PS's with fans at the top would just be blowing into the top of the case.... which I assume would be bad.

My PS now has a fan on teh back and on the bottom.


And should I go 300, 350, or 450 watt on the upgrade? Also does OEM or Retail really matter much on a PS?

Edit: Could I turn the PS upside down so the fan that supposed to be on teh top is on the bottom?


Also... if this helps the back of my case has as sticker on it that says "ATXSTF P04 Gateway 700X" I think that might signal what kind of case it is.


Soemone told me earlier that its probalby propriertary or something... but it looks to me like any other type of PS would fit in there, it would just have a fan shooting strai... Read more

Answer:Power Supply Question

I'd shoot for a new case and PSU It will definitely be worth it after buying that videocard. Would be beyond frustrating to have it reboot constantly from lack of power.

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How much power should I used for the new intel and AMD CPU's

What watt's should I used
 

Answer:power supply question

That depends on what else is going to be in the system. If you are putting in a mid range graphic card then you will want a 400 watt psu. If not, then 350 would be fine. Also, its not only the watts that are important, but the amps on the 12 volt line that are important too.

350 watt HERE
400 watt HERE
FSP is a good brand and fairly inexpensive.
 

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Hi ... I have a question about installing a new power supply to my computer, at the moment i have the Antec True 330 watt and i want to up it to true 550 watt , Is there anything that i need to watch for ?? Or do i just remove everything thats connected to my old power supply and reconnect everything back to the new one ???
 

Answer:Power supply question

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OK, I feel like a real ***** -- we've been having some issues that I think may be power supply related. I'm trying to see what I've actually got in terms of a power supply, BUT...I can't find my original documentation that would list it (that's bad, I know, I think it's just filed somewhere where I can't lay hands on it), AND I can't seem to find anything on my computer, i.e., Device manager, etc., that identifies the psu by name, wattage, etc.

I'm running XP, can't find it under Device manager or anywhere else. I don't want to take the unit apart (yet). Any help is appreciated, thanks.
 

Answer:Question on power supply ID

open the case dude, its hardly what you would call taking it apart. Look at the label on the psu.
 

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Ok, I just bought a DFI Lanparty mobo for my AMD 64 3000+.

Anyways, I set up everything and turned it on and it worked fine till I started to install drivers. After installing the drivers, I rebooted and my Power Supply started making a funny smell, and my UV case lights wouldn't work anymore, yet everything else still seems fine. My UV cases lights were actually plugged into the same power cord as my Video Card and HDD and they still seem to work fine. Could the smell just be the UV case lights burning out? Could it be my Power Supply? I'm confused.
 

Answer:Power Supply Question

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I have a Thermal take 600w and It started behaving weirdly. The fan would speed up and down, I have several small LED fans on the case, and these would dim and slow down as well. The computer would run fine, no crashes, no re-boots and so on. If the PS fan was not working properly, would the PS overheat and cause a lowering of Wattage output? If so, then why the LED diminish, and no system problems?

Answer:Power supply question

Yes absolutely  a malfunctioning PSU fan will cause an overheating issue to the point that your computer will likely shut down. As to the diminishing brilliance of the LED lights that can also be the result of a malfunctioning PSU (inadequate power being provided). It can also be as a result of power fluctuations from the electricity source (provider/plug outlet/fault in the service within the location/other component malfunction). Not be ignored. truenorth

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The User Guide says the Power Source (AC Adapter) is 90-264v @ 40 watts.  The AC Adapter model 0225C2040 that came with my S10e says 100-240v @ 1.7AThe formula for figuring wattage is {V x A} so at 110v it would be 187 Watts!!!!! That seems really high.I'm planning on some travel out of the US and need to get a step down transformer and am a bit stumped by this. I would assume one of the little "wall wart" ones would do the job, but want to be careful not to fry my charger. Is that 40 Watt spec safe bet? More to the point - do I even need to worry about step down transformers - does the power supply automatically sense/switch?  (I think that's really the case, but don't want to assume anything) 













Solved!

Go to Solution.

Answer:Power supply question

As long as the wall outlet voltage is within the specified range (in this case 100-240V), your AC adaptor should work as it is. Your concern is to get the right pin configuration for your wall outlet adaptor so that your AC adaptor can be plugged in.





View my Blog on the Lenovo S10

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On the T61p does the external power connection have two or thre connections?  I Have seen some diagrams showing the outer and inner shell to carry the 20 vdc with the inner pin power good.  Others show the outter and inner chell to be common with the innery pin carrying the 20 vdc.  I get unexplained shutdowns only on the power brick.  Could it be the brick is dropping a power good signal forceing the CPU to shut down or the system to power off?

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Say you have a power supply with a 12 Volt rail with 15 amps max., rated at 300 Wand the hardware in your computer has used all the 15 amps available on that rail.  So you go get yourself another power supply that is 350 W, but the 12 Volt rail still only offers 15 volts max.  Will the power supply work?   In other words, should you consider the individual voltage rails when buying a new PSU or the total wattage of the supply?

Answer:power supply question

Individual amperage on each rail is very important.  In your example, the 350W unit offers more power on other rails, and will be no better than the 300W unit if what you need is more power on the 12V rail.It's a common situation, cheap PSUs often supply more voltage on the 3.3V and 5V  rails which aren't used as much nowadays so that the total wattage is larger, which fools people into buying them.When buying a new PSU, the most important thing is the reliability and quality.  This can be determined by first checking the manufacturer and OEM, and by reading reliable reviews of the unit.  Customer reviews don't count for much.Also, welcome to the forums.

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Can anybody direct me to the function of the ?12 VDC power on the old XT/AT power supplies for PCs?

The reason I ask is the older XT power supplies are not easily found these days for replacement. Today I took a newer power supply that had absolutely no ?12 VDC output and wired on the old XT/AT connectors. This was to replace a bad power supply AND it all worked with a bit of cheating! So just what did the ?12 VDC do?
 

Answer:XT Power Supply Question

ALL modern ATX PSUs have a -12V line. It is a power line for the motherboard.
 

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hey all,

i was just wondering if its possible to upgrade my power supply in my dell 4550. i read t hat they r proprietary so i wasn't sure what that meant 4 upgrading. :question:

Answer:power supply question

it is proprietary, no you cant upgrade it, justa question, y u wanna upg ur PSU? u adding a new device?

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I'm looking to pick up a new power supply for my computer. J's custom PC's has a calculator for power demand that says I'm going to need about 380 Watts, so I'm going to look for about a 450Watt power supply. My question is, what brand of power supply do you guys recommend, or does it really matter all that much?

Answer:power supply question

Allright, I found a ThermalTake TT420AD power supply on pricegrabber.com. I just wanted to make sure that it should work with the stuff I've got.

P4 2.7 GHz 800 FSB
MSI NeoP2 mobo w/ Intel 486 chipset
DVD-Rom, DVD writer, ATI Radeon 9600 All-In-Wonder

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I know next to nothing about power supplies, so could someone help me know how many watts would I need for this system I'm about to build:

CPU- AMD Athlon XP 3200+
Mobo- Gigabyte "GA-7VT600 1394"
RAM- 512MB (1 stick) Kingston PC3200 DDR
Hard Drive- Western Digital 80GB SATA
Video Card- GeForce FX 5200
Optical Drive- Sony CD Burner 52x32x52

Answer:Power Supply Question

http://www.jscustompcs.com/power_supply/

always good to get 20-40 watts over your requirments to be on the safe side.

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Is there a way to tell the wattage on my power supply without removing the cover?-Wade

Answer:Power supply question

I'm quite sure the answer is no.  No such data is passed from the PSU to some program in your computer or to Windows.  Some software tools, such as EVEREST Free Edition 2.20 can be used to obtain very detailed info about your hardware and software but I just looked at an Everest report on my system and it contains nothing about the PSU. 

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was just wonder if all power supplies would work with all motherboards

Answer:power supply question

ok well then would this....

http://www.newegg.com/app/viewproduc...153-007&DEPA=1

work with this.....

http://www.newegg.com/app/ViewProduc...170-117&depa=1

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Looking for a power supply for a full tower or server system
just wondering if i should look for something specific
for full tower or if the wires will be long enough to reach my motherboad on any atx power supply
 

Answer:power supply question

The wires will reach. Just make sure that you get a power supply with enough power for your system and that you have enough power connectors for your drives.
 

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Hey everyone,

I'm just buying new parts for a home-made computer. I can't find a PSU that has enough watts to power these parts :

AMD Athlon? 64 FX-62 Dual Core Processor

NVIDIA nForce 590 SLI Motherboard

XFX PVT71JYHE9 Geforce 7950GT 512MB 256-bit GDDR3 PCI Express x16 HDCP ExTreme Edition Video Card

I don't know how many watts a PSU should have to power those parts, and more (SDRAM, hardrives, etc.).

Please Tell me how many watts i would need, and where a good site would be to buy one. Or, Reccomend a PSU for a good gaming computer.

Thanks.
 

Answer:Power Supply question... Please help!

Blackjack said:



Hey everyone,

I'm just buying new parts for a home-made computer. I can't find a PSU that has enough watts to power these parts :

AMD Athlon? 64 FX-62 Dual Core Processor

NVIDIA nForce 590 SLI Motherboard

XFX PVT71JYHE9 Geforce 7950GT 512MB 256-bit GDDR3 PCI Express x16 HDCP ExTreme Edition Video Card

I don't know how many watts a PSU should have to power those parts, and more (SDRAM, hardrives, etc.).

Please Tell me how many watts i would need, and where a good site would be to buy one. Or, Reccomend a PSU for a good gaming computer.

Thanks.Click to expand...


Look for 400-500 watt PSU.

www.mwave.com
www.tigerdirect.com
www.dalco.com
www.newegg.com
www.compusa.com
 

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I have a acer aspire x1200 PC.It has a 220 watt PSU that im going to replace. can i replace it with a psu that has more watts?

Answer: power supply question

of course you can 

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Hey everyone,

Got a new compy a little under a month ago, and earlier this week the power supply crapped out on me. Big scorchmark around one of the big white wires inside it... not a great sign

Anyway my friend Paul who built the thing for me (certified tech and all that jazz) put in a 300W he had extra until we can get in a replacement part. Some of my friends are freaking out telling me not to even turn the thing on until I get at least a 400W power supply put in.

Is that unreasonable? Seems a bit excessive since I'm running two drives (DVD burner/DVD reader) and just the one HD. The specs are as follows, if you're interested.

Pentium 4 2.4 C overclocked to 3.006 GHz, 1024 DDR RAM operating at 200 MHz I think (don't really know or care Paul knows a lot more about that stuff than me ), 120 GB hard drive, Radeon 9800 Pro, the afforementioned DVD duo, and to view it all a glorious 19" LCD... because who needs money anyway?

Answer:Power Supply Question

I suggest trying this first:

http://www.jscustompcs.com/power_supply/

(Note that the processor power consumption may be a bit off, since it reflects the highest "C" stepping model, the 3.0-3.2, unless you decided to crank up its core voltage).

I've seen many who a supply less than what is determined on the site, without any issues, but it's always a good idea to leave some headroom.

But also, in this case, supply quality is a big issue; spend a little more on one that will be most likely less prone to early failure.

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Ok so i recently bought a new case for the computer that i am building. i put in the motherboard/prcoessor (AMD) and all that correctly. when i tried to turn on the computer, it was getting no power. i first assumed that i got a bad power supply and it was DOA. but then i noticed that there was a sticker on the power supply that said " supports p4". could it be because im using an AMD motherboard it isant working properly? iv never heard of that but i thought i would ask anyway

Thanks

Answer:power supply question

Yeah, that would be my best guess. If something says on it what it is compatible with it, then that. I'd say that your board gets power for like one miniscule bit of a second, then switches off, cause it knows that it ain't working with a p4. So if all other suggestions posted fail. Then that is probably what is wrong and you'll need a new psu.

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just a quick question my hardware is -
intel i7 860 @3.7ghz
gtx 480
6gb ram
dhh55 mobo
and a hard drive and a dvd-rw driver
would a 650m watt corsair psu do for that system?
 

Answer:power supply question

Is this a new power supply?
If yes, then the power supply should work ok
 

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has anyone here had any expereince with LinkWorld power supplies? I am looking for a 230W AT p/s and found a very good deal but don't want to buy if it's a "dud"
thanks for the help...
abcowan
 

Answer:power supply question

abcowan

230 Watt Replacement AT Power Supply
StarTech.com ID: PS2POWER230

Replace that older or non-functioning AT power supply with StarTech.com’s ultra-reliable PS2POWER230 230 watt power supply. The PS2POWER230 is guaranteed compatible with Intel Pentium and AMD processors and designed for an extra long-life in personal and industrial computers. The PS2POWER230 power supply ensures stable system performance, using an automatic temperature control fan to move hot air away from sensitive components. A superior power filtration system is achieved through an EMI/RFI power filter. Low noise/ripple as well as short circuit protection are additional reasons why the PS2POWER230 is the ultimate power supply for system stability.

The StarTech.com Advantage:
Increases system reliability by preventing power supply overload
Equivalent Product Codes:
MultiMicro SKU: 054842
Ingram Micro SKU: 064371
D and H SKU: PS2POWER230

View large photo

View Canadian Prices

$48.00 MSRP (USD) Resellers Login

Call: 1-800-265-1844

Where To Buy:



Other StarTech.com Online Resellers
StarTech.com Resellers in Your Area
Government:



The StarTech complete line of parts are high quality and dependable. We always use their ps in high-end pcs and servers.
 

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I strongly suspect that my power supply might be the culprit in my problems. My games tend to crash after awhile, and the computer acts all antsy for awhile. Anyway, I inherited this computer from my friend and he had it for a few years before that.

First of all, can dust and dirt have an effect on your power supply? If so, what is the best way to remove it? Can I use a vacuum or reverse vacuum? Is this thing going to shock me when I dismantle it? Any help greatly appreciated.
 

Answer:Question about my power supply.

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Could someone tell me what the -5volts in a PSU is used for?

My 2000 model HP Pavilion XL 866, AMD Athlon 1.1GHz computer has a dead PSU I believe and I've been looking for a replacement but find that many don't have the -5v output....but they do have the -12v output.

Does anyone know where I can find a replacement HP Part No. 5184-3961?

The PSU says the voltages must be as follows (this PSU has the following on the sticker)
+5V/25A Max
+12V/4A Max
-5V/0.3A Max
-12V/0.5A Max
+3.4V/16A Max
+5Vsb/1.5A Max

It also says the +5 and the +3.4 voltages cannot exceed 25 Amp. This must be pretty important to put it on the label.

It's a LiteOn PSU not a HP.
 

Answer:HP Power Supply Question

burnselk said:





Could someone tell me what the -5volts in a PSU is used for?

My 2000 model HP Pavilion XL 866, AMD Athlon 1.1GHz computer has a dead PSU I believe and I've been looking for a replacement but find that many don't have the -5v output....but they do have the -12v output.

Does anyone know where I can find a replacement HP Part No. 5184-3961?

The PSU says the voltages must be as follows (this PSU has the following on the sticker)
+5V/25A Max
+12V/4A Max
-5V/0.3A Max
-12V/0.5A Max
+3.4V/16A Max
+5Vsb/1.5A Max

It also says the +5 and the +3.4 voltages cannot exceed 25 Amp. This must be pretty important to put it on the label.

It's a LiteOn PSU not a HP.Click to expand...

.....but it has a HP Part No. so that tells me HP was using LiteOn PSU's in their computers. By the way, this LiteOn PSU came in this computer when it was purchased brand new.


Here's the label on the old PSU that needs a replacement.
 

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This morning, my computer just died. After fooling around with it, it was apparent that the power supply died. I salvaged a (lesser) power supply from my kids computer, and when I plugged everything in and turned it on, all the fans and lights came on like normal. But, the monitor won't come on. When I have the computer off, the monitor displays the message "No Input - Check Cable Connection", but when I turn the computer on, the monitor goes down. The LED goes from green to amber (the same as it would if it were connected properly and I turned of the computer). Could it be that the new PS I put in isn't powerful enough to sufficiently run the video output? It worked fine on my kids computer... Anyone?

Answer:New Power Supply question

It would help if we knew what kind of power supply you had before, what kind you salvaged from the kids' computer, and what kind of video card you have. it is quite possible that you need to buy a new power supply.

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I'm trying to figure out what kind of power supply to get 'cause my motherboard needs a special kind. I'm not the sharpest crayon in the box when it comes to building computers so I hope someone would be able to tell me what I need. Here's my computer:Motherboard: Asus PC-DL DeluxeProcessors: Dual Intel Xeon 2.4'sHDD: 320 GB Western Digital Hard DriveRAM: 2x 512 Kingston something or other sticksVideo: Geforce FX 5200Sound: Sound Blaster Audigy Pro 2Everything Else: 1 DVD-Rom Drive, 1 CD-RW/R Drive, 1 Floppy Drive, 3 fansI know that the PC-DL Deluxe requires a special power supply, I'm just not really sure of the specifics, something about EPS or something like that, not really sure... Anyways, I found this one http://www.antec.com/us/productDetails.php?ProdID=20551 and it seems about right. If anyone could let me know if this one is ok, or if anyone has any better suggestions, let me know. Thanks.Oh PS. Just a stupid question about power supplies. Buying a power supply with too low of a wattage could obviously pose a problem because the devices might not be sufficiently powered, but is there anything wrong with buying a PSU with too high of a wattage (other than the possibility of paying too much)? Thanks.

Answer:Power supply question.

Oh, one more thing. I should probably mention that I intend sometime in the future to upgrade my graphics and possibly my sound card, so take that into consideration, thanks.

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i just got in a new power supply just out of the box from newegg.comit is 650 watts....made by corsairi plug everything into the motherboard including the correct pin setup (hdd power etc) and the power supply won't even turn on....ive tried a new cord and about 4 different outlets that i know work.my question:without even plugging in any cord from the power supply to the motherboard, is the power supply supposed to turn on (like the fan) by itself?

Answer:? power supply question ?

Yes, the PSU should power on regardless of whether or not a load was applied.Have you checked the voltage switch, usually a recessed red rectangle near where the AC cable comes into the PSU? If you're in the USA, the 220V setting (or similar) will not work, and it needs to be switched with a screwdriver to 115V (or similar, within 10V).

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I have a Antec PP-303XP power supply and my problem is this. When plugged into a system board I can power it on just fine but, when I try to jumper the 14 and any black connection the power supply does nothing. I am trying to use this to test some other equipment that I have and I don't want to have to keep turning the system board off and on and mess something up. Any help would be appreciated.
 

Answer:Power Supply Question

Standard protection circuits for a commercial home user machine. You need a better power supply that is engineered to handle such things.
 

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I am wondering what the advantages of buying a good power supply are over using a stock one.

I know you get more power but i am wondering how it effects performance.

Answer:Question About Power Supply's

1.) after you upgrade, you won't have to buy another power supply
2.) a good power supply is quiet, lasts longer, is more stable for OCing, and decreases your chance of anything frying

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If I get a new ATI x1950 pro graphics card, would the power supply listed at this amazon link be sufficient to power my computer and the graphics card ok? And is that a good brand ... or is there a better recommended brand?With my old card (an ATI xpress 200 series card), the old 300 w power supply was enough to power card and computer sufficiently.... Link Edit

Answer:power supply question.

550w seems to be a good level but why not check out your total power requirements here then add say 20% for further expansion.Good luck.

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Will any power supply hook up to intel or amd. Are power supplies universal. I'm buying a new case (case should fit my board) w/p.s. 430W Award ATX switching power supply. Are P4 ready supplies backwards compatable with P3. I'm still running on P3 for a while.
HP 8754c intel P3 that I will be transferring into new case until furture purchases. One of my current fan is going out and the wattage of the old power supply is running near peak or over.

430W Award ATX switching power supply
Model: EP-43058

115V- to 230V-
10A to 6A current
freq 60Hz to 50Hz
 

Answer:power supply question

Hi,

Cases and the enclosed power supplies work on either as long as you have an ATX case and an ATX motherboard which most are right now.
 

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I'm trying to figure out if I have a power supply problem. Is one of the voltages still applied to the motherboard even when the unit is powered down but still plugged in? If so which voltage is it? I have noticed that some motherboards have a green LED on even when the unit is not powered up.
 

Answer:ATX Power Supply Question

Yes, there is power when the computer is off and still plugged in.

Some clarification of what type of computer you are using would help. What problems are you having?

E
 

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alright,so right now i have a 250 watt power supply and i want to upgrade to 300 watts. my friend gave me his atx-730 300 watt power supply (made by enhance). I opened up my computer to replace my old power supply and while i was unplugging it i realized that my old power supply has a connection labeled "p7" which is 4 pin connector arranged as a square (2x2). The problem is, the atx-730 doesnt have one of these connectors. I dont know what this connection does or if i should continue without the p7 part. anybody know what i should do?
 

Answer:Power supply question, please help!

If that cable was just 'there' without being connected to the motherboard, don't worry about it.
It is only needed for Intel P4 CPUs and lately also for AMD64 S939 CPUs to supply extra power to the CPU. A motherboard that requires it would have a matching receptacle for it.
 

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Hi. I did a search through the forums, but didn't find much on this.

I was wondering what brands of PSUs are good, and which to stay away from? I read somewhere that Antec is good...are there others you'd recommend, but others I should steer clear of?

Thanks in advance!

~Annie

Answer:power supply question

Antec makes excellent PC cases and power supply units. There is another one i heard of few years ago w/ a good reputation but I'm not at my PC right now. Stick to the reputable names when it comes to power supply units - it is a major component in the longevity and health of your PC.

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Im currenlty upgrading from a Socket A MB with an AMD Processor to a Socket 939 with a AMD Dual Core Processor. My current power supply is i think 300watts to 350watts somewhere around there. Do i need to upgrade the PSU to handle the new Processor. I will also maybe be using around 6USB ports.
 

Answer:Power Supply Question

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Hey guys my dad is having a problem, and he's at Best Buy (I know right?) Anywho. He plugs up a new monitor, turns on the PC some loud beeps. I say take your memory sticks out and put them in one by one. (He didn't tell me at the time that eventhough the PC wouldn't come on...the heatsink fan was still running.) So I said your powersupply may be bad (am I on the right track?) Someone tells him its the video card (rolls eyes). He ditches the 2 128mb sticks (old) and keeps the 2 512's. Monitor comes on... It worked for about an hour, when he turned it off and turned it back on...the loud beeps again. Mind you, the fan was still running.

The geek squad is telling him its the motherboard..$284.00, never checked the power supply.

Am I on the right track, he should check the power supply? I even offered to use the power supply in an HP that Im not using...if the wattage is comparab
 

Answer:Power supply question

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Can I directly plug my x61t into a Chinese power outlet without using an external transformer? Thanks. Michael

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I have a motherboard that supports 24 pin but i have a power supply that is 20 pin and has a 12v plug to go into the appropriate place on the motherboard.. but when i plug in the 20 pin into my mobo it leaves 4 pins left over.. Im wondering how i can solder one together.. I have bunch of power supplies that i can break off and solder in..I have extra CDROM power plugs i do not use that are coming off the power supply, could i solder it and plug it into the remaining 4 pins that the 20 pin power supply connection leaves out.. and if so then how..What is the extra 4 pins that are left out of the motherboard for??I read somewhere its for the PCI-E Graphics card so you dont need to provide external power to the card.. True??

Answer:Power Supply 20+4 Pin Question

you cant just solder it init may work without the four pins

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I have a 7 year old computer which has been giving me issues for the past year or so.  clock and calendar change every now and then.  I changed the battery on the MoBo so that was not the issue.  yesterday it failed and now I do not get any POST when I turn it on.  The fans are running. Memory is good.  Hard Drive is good.  I am thinking it might be the power supply but is it possible that the fans would run but nothing else?  I would like to get another year out of the computer and can replace the power supply for relatively cheap but wondering if you think I should do that.  If its the MoBo then I may be in trouble because the form factor does not seem to be available anywhere and since it is older I do not want to upgrade anything else.

Answer:Power Supply Question

Cheapest/best way to determine if it is in fact the PSU is to borrow a known good one of the same or greater wattage and swap it in there overnite...

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Should a powmax 400W PSU be able to handle an AMD sempron 2600+ with a cdrom, harddrive 3 led fans and a 6600GT. Cuz my system won't even power up anymore. And I've had this thing since roughly mid-march.
 

Answer:Power supply question

Kagami. Powmax are known to be crappy PSU's. It most likely crapped out on you.
 

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Hello all, I am planning to get new hardware later:

- Motherboard: MSI H57M-ED65
- Intel Core i5 750
- Asus ATI 5770 1GB
- 2x2 GB 1333MHz or 1600MHz, Corsair

I have a question: how strong power supply I need for those hardware?
Thanks in advance.
 

Answer:Power Supply question

There is more to a pw supply than simply a wattage rating. For your hardware, I would use something like this corsair unit
 

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I currently have all my power connections taken up (2 SATA HD's, 1 IDE HD and 1 DVD Burner) my question is, can I buy a spliter\adapter so I can split one of them and hook up my lite on DVD drive to it too? It is a 425 watt PS so it should be able to handle it (i think)
thanks
 

Answer:Power supply question

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Hey guys,

I was wondering if this ps

http://www.newegg.com/Product/Product.aspx?Item=N82E16817171018&Tpk=cooler+master+extreme+500w

could run a 500g 7200 rpm hard drive, AMD 64 3.0 ghz 6000+ cpu, 8800 GTS 640mb, and a really old dvd rom : )
There will be absolutely no upgrading to this cpu and I would be gaming and watching movies casually.

Thanks a bunch!
 

Answer:Question about power supply

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i was just wondering how much of a fluctuation is in the voltages of my power supply is acceptable... i just bought a 500w Okia cheap power supply less than a week ago and noticed that my voltages are fluctuating quite a bit and always under.. for example my +12v is always at 11.85.. 11.9 is the max i've ever seen it.. dropping to 11.62 at idle.. +5v is always at 4.972 avg.. never 5.. saw it at 4.99 once lol.. 4.945+3.3v is usualy 3.28 - 3.26VCore is usualy 1.407 avg.. drops to 1.353i'm using xp pro Precott P4 3.0G Asus P4S800D-X Asus N7600GS 256Mb and a gig of ram with a 160 gig sata.. if that's any help.. nothing else in my system other than what's mentioned above.. THX

Answer:Power Supply Question

As long as the voltages remain within the range of +5/-5% you have have problems. However, with a 500 watt PSU you see very little fluctuation. I would replace that one with a quality unit. Think of it this way. The PSU is the machines heart. Would you rather have a good heart or a Jarvic heart?

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