Power Supply
Author
Discussion

beano500

Original Poster:

20,854 posts

302 months

Sunday 21st November 2004
quotequote all
So I was going to use my existing power supply, which has a 20 pin ATX connector and a separate 4 pin.

Then I find that the mobo I've got wants a 24 pin supply. (It's an Asus P5GDC-V.) but the documentation says "if you intend to use a PSU with 20 pin plugs..." ???

So how can I do that - or do I need to get a new supply with the 24 pin connector?

atom290

1,015 posts

284 months

Sunday 21st November 2004
quotequote all
Are you trying to use a P3 PSU with a P4 motherboard?

squirrelz

1,186 posts

298 months

Sunday 21st November 2004
quotequote all
Ah my man, you'll be wanting one of these:

www.kustompcs.co.uk/acatalog/info_1908.html

LaurenceFrost

691 posts

279 months

Sunday 21st November 2004
quotequote all
Many of the new Pentium 4 motherboards can take a 20 pin or a 24 pin connector.

There is a seperate square 4 pin plug that is also needed for either method.

If you use a 20 pin connector, you must also plug a power cable into the motherboard (the kind that go into the back of IDE drives such as CD drives etc).

The 24 pin plug eliminates the need for this power cable connection.

I hope this helps.

beano500

Original Poster:

20,854 posts

302 months

Sunday 21st November 2004
quotequote all
Thanks for that Laurence. How does it work? - the PSU I have has a 20pin block connector and a 4pin square block too. It also has the normal 4pin IDE plugs and I have an additional connector to power a SATA drive...

beano500

Original Poster:

20,854 posts

302 months

Sunday 21st November 2004
quotequote all
squirrelz said:
Ah my man, you'll be wanting one of these:

www.kustompcs.co.uk/acatalog/info_1908.html
Ah!

LaurenceFrost

691 posts

279 months

Sunday 21st November 2004
quotequote all
beano500 said:
Thanks for that Laurence. How does it work? - the PSU I have has a 20pin block connector and a 4pin square block too. It also has the normal 4pin IDE plugs and I have an additional connector to power a SATA drive...

I assume the 24pin connector contains an extra 4 wires to do exactly the same job as the IDE power connector.

All you need to do is plug the 20 pin plug in to the slot (it only goes in 1 way), then the square 4 pin plug, and then the straight 4 pin (IDE) power connector. Your manual should tell you all of this though

If this fails, then just buy that adapter.

beano500

Original Poster:

20,854 posts

302 months

Monday 22nd November 2004
quotequote all
LaurenceFrost said:
Your manual should tell you all of this though
Ah yes - RTFM! Always good advice, and I have!! I'll re-read it because it's not at all clear on this point....

Ta!

beano500

Original Poster:

20,854 posts

302 months

Tuesday 23rd November 2004
quotequote all
I was going to post - "well I am about to try it out, so wish me luck".

I am glad I didn't - existing power supply seems to be enough to spin up the CPU fan and light a few LEDs but not enough to get it as far as a POST. That'll teach me to be a cheapskate and try and get away with an old PSU! Fancy dangly all singing all dancing new one now on order! Ker-ching!