The ATX (acronym for Advanced Technology Extended) is a standard created in 1995 by Intel, addressing four major areas of improvements: greater ease of use, better support for current and future input and output devices, better support for current and future processor technologies and reduction of system cost.
Questions tagged [atx]
65 questions
17
votes
2 answers
ATX power: 20 or 24 pins?
What is the difference between 20-pins ATX power cables and 24-pins ATX power cables for motherboard? I see that Cooler Master Silent Pro PSU has an extensible plug, showing 20 pins + 4 pluggable pins.
Since I'm having troubles with my motherboard,…
usr-local-ΕΨΗΕΛΩΝ
- 4,862
16
votes
5 answers
How much power the system is REALLY consuming?
I suspect that my ATX case's power unit from China provides FAR LESS power than it's supposed to. Is there a way to see (in real time) how much power the whole system is trying to consume and how much is it really getting? Maybe, not in watts, but…
noober
- 233
12
votes
3 answers
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 this leftover build composed of some old parts he…
White Phoenix
- 1,381
8
votes
2 answers
Why is -12V needed on an ATX power supply
Checking the standard ATX connector pinout it mainly gives out "standard" positive voltages, like +3.3VDC, +5VDC and +12VDC. There is one exception, pin 14, which actually gives out -12VDC:
Based on the ATX12V specification I can see that it only…
SztupY
- 283
5
votes
1 answer
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), including the main 20-pin connector (also see this…
Eternal Learner
- 470
5
votes
3 answers
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 multimeter.
Can you tell me having no load is…
Dumbo
- 614
5
votes
3 answers
Dimensions of Standoffs and Screws for ATX Motherboard
What are the dimensions for the standoffs and screws used for mounting an ATX motherboard to the computer casing? I'm using them to make my own motherboard mounting plate.
Some sources say the standoffs are 6-32 to 6-32 for the threads, some say its…
Nyxynyx
- 385
3
votes
1 answer
ATX Dell PSU to Offical ATX 2.0 spec pinout
Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 power supply pin out.
What I found to be the…
StealthRT
- 1,016
3
votes
1 answer
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 is a microATX motherboard. I've read that you…
Macha
- 5,442
3
votes
2 answers
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 day). I want to replace it very badly, however…
Nick Jennings
- 133
3
votes
2 answers
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 browsing.
I've figured out that her ATX case can…
3
votes
2 answers
Why Have The System Builder Market Not Migrated to the BTX Form Factor from ATX yet?
I'm starting to build my first computer from the parts that I have purchased and a question that had been nagging me for the past few weeks was why the ATX form factor is still currently used when there is the newer BTX formfactor.
JFW
- 2,464
3
votes
0 answers
How are ATX 12 volt rails organised?
I'm looking at (flex)ATX power supplies, and notice that some have multiple 12 volt rails. For example this 400w one (https://www.fspgroupusa.com/ecommerce/fsp400-60fggba.html) has a maximum capacity of 400 watts, but two rails of max 216 watts (12v…
PixelSnader
- 131
2
votes
1 answer
Can the Power button be configured as a combo?
In Mac, combinations of the power button (Shift+Power or double press it to restart) are possible, as if it's just a normal button on the keyboard. It can also be configured in Windows 8.1 and Linux too, but only for a single press. Is it possible…
Ooker
- 2,199
2
votes
0 answers
Form factor of ATX expansion slots
I am building my own computer case, but I am having difficulty finding the form factor specifications for the ATX expansion slots - in particular the maximum height of the slot and the spacing of the screws, as in this image:
The closest I can find…
R4D4
- 768