0
votes
2answers
52 views

Part Number for Motherboard ATX 24 Pin Male Header

The 24 pin ATX connector (male, housing) on my motherboard has been melted to the 24 pin connector from the PSU. I will be replacing the motherboard's 24 pin ATX connector myself, but am not able to ...
0
votes
0answers
27 views

ATX PSU: Pin 9 reads a lower voltage when plugged into motherboard

I'm pretty confident that the PSU is bad in this computer, but I want to understand what my multimeter is telling me. With the PSU plugged into the wall only, the multimeter says that pin 9 is a ...
0
votes
2answers
211 views

Can a motherboard work when only supplied with ATX12V?

I am thinking of making a silent NAS for 3-4 people. Today I bought: 4TB Western Digital HDD 2x4GB DDR3 204 pin RAM Supermicro X10SBA motherboard which has 24 pin and 4 pin power connector. Does ...
5
votes
1answer
517 views

Is DELL's HP-P2507FWP PSU's 20-pin connector wiring non-standard?

My old PC's ATX PSU died and I got a replacement in the form of a DELL 250W Power Supply model# HP-P2507FWP. It has the exact set of connectors (except for an additional, unused, 6-pin connector), ...
1
vote
4answers
2k views

Turning on ATX power supply with no load

There are some rumurs around the web that ATX power supplies should not be turned on with no load. I have a partially unstable PSU that I want to turn it on out of PC case and check the voltages with ...
1
vote
1answer
219 views

Is it possible to have an ATX and a mini ITX boards running under one (ATX) PSU?

Specifically - are there any ATX PSU's with double 24 pins, or some kind of adapters that would make it possible?
4
votes
2answers
39k views

Can I safely use a PSU with an ATX 12v 4-pin for a board that has a EPS 12v 8-pin?

There's many similar questions to this, and because the answers vary depending on the setup, I want to ask for my friend's specific setup. He recently upgraded to a Core i5 gaming build, so he has ...
1
vote
2answers
161 views

The swan song of an ATX PSU

My PC was unplugged for 3 weeks. Came back, plugged it into outlet and turned it on, then came a mighty BANG and smoke. The PSU is (was) a 5.5 years old Antec TRUEPOWER II TPII-380 380W. Would this ...
2
votes
2answers
716 views

Selecting a quiet ATX PSU

I currently have a Corsair CX430 V2 PSU in my desktop: However, it's extremely loud, especially when I do any resource intensive work (running a VirtualBox instance, playing a game, or just on a hot ...
1
vote
2answers
1k views

ATX 12V too low?

Im noob at pc's but is 3.20V too low for ATX +12V? CPUID Hardware Monitor readings: CPU VCORE - Value: 1.49V; Min: 1.46V; Max: 1.51; ATX +3.3V - Value: 3.19V; Min: 3.18V; Max: 3.19V; ATX +5V - Value: ...
0
votes
0answers
323 views

Diagnosing PSU/Motherboard issues with Shuttle's proprietary ATX connector

I have a Shuttle SN25P that won't power on at all - fans, no lights. The cable and power have been checked and the PSU switch is in the on position. I need to figure out if the motherboard or PSU are ...
2
votes
2answers
2k views

Can I use an ATX power supply to power an mini-ITX board?

My wife's computer has given up. I think the motherboard blew up. I'm thinking of replacing it with a cheap mini-ITX board with an Intel Atom processor on it, since all she needs the computer for is ...
0
votes
1answer
954 views

ATX Motherboard power connectors causing power-on failure?

So my problem is that my motherboard has enough space for the 24 pin motherboard power connector. However when I have plugged in all the 24 pins, my computer has failed to start. So then I reopened my ...
2
votes
1answer
471 views

Will all 4 cores work if the PSU has 4-pin supply instead of EPS12V?

Motherboard: P7P55D-E PRO Processor : i5-760 PSU : Gigabyte Superb 460 The PSU provides a 4-pin CPU connector; whereas the m/b has an 8-pin socket (2 sockets are covered/protected by a ...
0
votes
2answers
1k views

4-pin CPU power supply connector inversion?

I am currently trying to boot an Intel D915GAG motherboard fed by a Corsair HX450W. This PSU has two 4-pin processor power supply connectors available. I tried booting with either one of these plugged ...
0
votes
3answers
3k views

Computer won't turn on, how to diagnose the problem?

So my computer, ASUS MB, ThermalTake PSU, won't turn on after shutting down last night. Short of taking out the powersupply and putting in a new one, are there any tricks to figuring out/fixing the ...
0
votes
2answers
337 views

Motherboard and power supply compatibility

I just bought a Gigabyte GA-P55A-UD3 mother board and an Antec BP550 Plus power supply. When I was connecting the ATX 12V connector from the power supply (which is two 2x2 connectors) I noticed that ...
1
vote
1answer
2k views

Can I plug a 8-pin EPS connector from the PSU to a 4-pin ATX motherboard?

The PSU for my motherboard just died and I was able to get a used one from a friend. Trouble is, this PSU I got from him doesn't have the 4-pin ATX power cord that powers the CPU. It only has an EPS ...
1
vote
1answer
697 views

Can a +5VSB supply rail value of 5.4V prevent a PC from starting

In the last few days my PC has refused to start. It's initial behaviour was to repeatedly try to power on until I hit the power switch on the power supply. It now exhibits one of two behaviours: ...
0
votes
1answer
42 views

What form-factors do PSUs use nowadays?

I'm building a desktop and I'm going to get the SilverStone SST-ST50F 500W as my PSU. What form-factor is it? Is it ATX, following the motherboard form-factor or different?
0
votes
2answers
285 views

ATX power supply with embedded homeplug av adapter

Are there ATX power supplies which have homeplug av (networking over power lines) adapter built-in? I'd like to have one cable to provide power and networking instead of two. Thanks,
0
votes
2answers
268 views

Do 24pin motherboard wires have to be in a certain order?

I am wanting to sleeve all the wires in my new PC. On my 24pin motherboard connection cable, I must remove the end plastic connector piece from all the wires to sleeve them all individually. I have a ...
2
votes
2answers
1k views

Is the 4pin atx power plug required?

I know the answer is probably a resounding YES, but I just wanted to double check. I just purchased a new chassis for my PC and now my 4pin cpu power plug doesn't reach. I'm wondering if the 4 pins ...
3
votes
1answer
4k views

Can I use an ATX PSU, ATX case and MicroATX motherboard together?

I am building a new PC (my first one) at the moment. I have an ATX PSU and ATX case already, and my budget for new parts is rather limited. The only motherboard in my price range that does what I want ...
0
votes
2answers
1k views

ATX Gateway Tower Case - Replacement Power Supply

I have been considering replacing the CPU Power Supply on my 2002 Gateway machine. The original OEM power supply maximum rating was 240 watts. My Graphics card has been upgraded to one that ...
1
vote
4answers
653 views

Is it possible (and safe/reliable/non-damaging) to use a 20-pin ATX PSU with a 24-pin ATX motherboard?

I have a reasonably-decent old 20-pin PSU which I want to use on a newer 24-pin ATX motherboard. I see that the ATX page on wikipedia mentions that 24-pin ATX is backward-compatible, and I can find ...