ATX 2 Xeon PSU converter

[Paul_Newman]

Does anyone know how to convert the motherboard connector of an ATX power supply to a connector compatible with a Dual Xeon board?

I've heard there are standard connectors to convert a Xeon PSU to an ATX PSU. But what about the other way around??

Here in South Africa, Xeon PSU's are very scarce and almost impossible to purchase loose. They want me to purchase an entire Server Chassis with PSU.

Paul

[sbrandt]

Just order by mail from discount houses listed in places like... www.pricewatch.com ...I've ordered things from Australia and England, and as long as you don't ship overnight or 2nd or 3rd day air and can wait a few days for ''ground'', the postage is NOT in the least bit expensive.:cool:

[Paul_Newman]

I've been considering ordering from overseas, but having a local supplier to honor warranties, etc. is always a plus. I've seen a connector from ATX to Dual Xeon, but it does not include the 8pin power connector for the Dual Xeon.

Thanks,

Paul

[sbrandt]

A connection converter has zero moving parts... why would you need local service...!?!!

Call the 'nuckers toll FREE at:

Computer Plug Inc. & TechCraft
15 Railside Road
North York, Ontario M3A 1B2

Phone: 416-444-3100
Fax: 416-444-4144
Toll Free: 1-800-265-2870

If they don't have it they can make it.
How much can shipping be? A couple of bucks... or gilders or marks or whatever you guys use for money.

[Paul_Newman]

Sorry, I misunderstood your previous suggestion to mean having a Dual Xeon PSU shipped. I now see you had in mind the shipping of the connector only!!

Yes, the connector has no warranty / service issues and so far my efforts were focused in locating a connector which meets all the requirements. The one I did locate, did not cater for the 8pin connector.

I've just checked out www.computerplug.com as you suggested. They also seem to only convert the main power connector. Perhaps I can locate the 8pin plug somewhere else. But I'll email them and ask to see what they can do for me.

I apologize again for the misunderstanding.

Paul

[Ryan]

You might not need one.

I have a Dual Xeon Supermicro Board with the 8-Pin 12 volt connectors. The 8-pin is for the CPUs. I didnt want to use a super micro PS because the are loud and unreliable. So I am using a Antec 430w PS. The 4-pin AGP-pro 12-volt will plug right into half of the 8pin for the CPUs. They are keyed the same so you cant mess it up. and after all 12volts is 12volts. Dosnt matter were it comes from. All of the 12volt leads on the power cabels go back to the same power terminal anyway.

This may sound strange to plug a 4pin AGP power cord into an 8pin CPU socket. But it works just fine. I have been running this solution reliably for about 4-5 months now. Not a hitch. The only problems I can see with doing this is it might void your warentee (of course that only happens if you tell them) and it occupies your AGP-pro power supply cord.

But if you dont have an AGP-pro50 video card and you have the power cable on your power supply then I highly recomend doing this.

[Ryan]

almost forgot.

You will want to make sure that your PS gives you enough amperage at 12volts for 2 CPUs. Just about any brand name power supply over 400w should do that fine though. that will be an issue if you buy an adapter cable or use the AGP-Pro50 cord.

+12volt at 20 amps is plenty and to spare. You might even be able to get away with 15amps though I havent tried it.

[Paul_Newman]

Hi Ryan,

Thanks for your input, which is quite valuable given that you're experienced at powering your dual Xeon this way.

I've attached an image which I imagine is what you are doing in your setup. By looking at this technical diagram, you are simply not connecting anything to the 4 "COMS" connectors. Is that right? What do those "COMS" connectors do anyway?

To summarize, I get a high powered ATX PSU which is P4 ready (with a 4pin 12V connector extra). Then I get a 20 to 24 pin converter to power the Xeon motherboard. And that's it?

Paul