I have a dual xeon computer in which when i turn it on nothing happens, I see the fans spin any lights go on, but hear no beeps. I do have have a PCI-E card, Radeon X1800, in which i was removing and broke the latch that secures the card, is this latch neccessary? I did try using a regular PCI video card, but got the same result, nothing. Checked all connections, reseated everything, checked all pins. Could it be bad memory? I was getting errors every now and then in XP, such as Page fault in nonpaged area. Did a memtest but it showed no errors, went through 24 tests. any help would be appreciated.
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The only things I have connected in the case are the motherboard, cpu, video card, and RAM. I reset the cmos motherboard jumper, and the video slot looks ok. I also reseated the CPU and also replaced it with a different one. I'm gonna test it with different memory next. Would a faulty CPU fan be a cause for it not to boot as well?
I have not tested the psu, It is a Antec Neo-HE-500 500-Watt High Efficiency PSU, I bought it brand new last year and was working fine. For my motherboard I have a ASUS NCT-D. I have swapped the memory with a brand new one and also swapped the CPU with a brand new xeon. It does the samething, turns on, but no POST, but fans spins and all lights go on. So i think i narrowed it down to the motherboard or PSU.
To test PSU: There are power supply testers out there like this one: http://www.pcper.com/artic
Or you can make sure there's a load on the power supply such as hard drive and test it with a mutltimeter. If the board powers up you can leave the psu plugged into the board and test from the backside of the atx plug. If the machien will not power on, just short the green and black wires while the hard drive is plugged in for load, this can be done with a paperclip. That turns the power supply on, now test the following wires for dcv in the ranges listed.
Red, purple, and grey: 4.75 to 5.25 VDC
Yellow: 11.4 to 12.6 VDC
Orange: 3.17 to 3.4 VDC
White: -5.5 to -4.5 VDC (negative)
Blue: -13.2 to -10.8 VDC (negative)
Hope this helps.
Jappo
I tested the power supply using the power supply tester above and all lights went on and it beeped, which means the power supply is good. This power suppy is only 500 watts, could it be though that i need more watts for my system, it is a dual xeon 3.6 (nocona), a radeon x1800 video card, 2GB DDR2 memory, a 400GB SATA HD, a 40GB HD, Sound Blaster Audigy 2 ZS Platinum Pro with a front bay, and a floppy drive. Would 500 watts be enough? So my last step is to test it with another motherboard. Should I get the same motherboard or another brand, was looking at supermicro X6DAE-G2? Right now i have the ASUS NCT-D with the E7525 chipset. Thanks
Without looking up the power requirements of the various components, and I'm not even sure where to do that, I would venture to say 500 watts should be more than sufficient. I just can't see anything you have there that would require having more power than that.
I would say you have pretty much narrowed it down to the mainboard, one last thing to try, remove the board from the chassis and put it on something non-conductive, try booting it this way just to make sure you don't have a short to the chassis.
You can check the power requirements roughly with this calculator: http://www.jscustompcs.com
If you use a different motherboard, you may need a fresh OS install, though a repair install may work: http://www.michaelstevenst
The only reference I can find for differences in 2.01 and 2.02 is this: http://www.formfactors.org
About the only other suggestion I would have is try this psu calculator: To check and see how much power your system needs use something like this calculator: http://www.journeysystems.
Hello, i finally changed the motherboards and the case since the motherboard was an extended atx and didnt fit in my old case, the power supply works with it too. So everything is running now and I have both cpus going.
Thanks everyone for the help. But now my next issue is installing xp...lol
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by: FriarTukPosted on 2006-12-08 at 00:55:18ID: 18100102
does the bios post screen display anything? if not try resetting the cmos either by battery removal (1hr) or resetting the mobo jumper. also try booting from the xp cd to see if you can boot into recovery console, then run chkdsk /r.