Intel DX58SO fails to enter BIOS or boot

Intel Dx58so motherboard
November 27, 2010 at 11:09:39
Specs: Ubuntu 10.04, Intel Core i7 930, Corsair CMX6GX3M3A1333C9 3x2gb DDR3
I am building a computer with the following parts:

Intel DX58SO motherboard
Intel Core i7 930 CPU
Corsair CMX6GX3M3A1333C9 RAM (3 modules, each 2gb)
Antec EA-750 power supply
Antec Nine Hundred case
EVGA Nvidia GeForce GTS450 graphics card
(there is also a hard drive and a disk drive.)

When I turn it on, it beeps three times (which means that there is a RAM problem). However, the RAM is installed correctly according to the motherboard manual. I have tried switching around the memory modules and removing all but one of them, but the errors continue.

Also, the computer turns itself off a few seconds after it is turned on. After a few more seconds, it turns itself back on and repeats the process.

Nothing is ever shown on the display. The same things happen when I remove the motherboard from the case and test it (with everything connected) outside the case.

I'm thinking that the motherboard or the power supply may be defective. Does anyone have thoughts on this problem?


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#1
November 27, 2010 at 11:25:28
A non-Intel board would have been a much better choice. Apparently you didn't benchtest your components before installing them in the case? I suggest you take everything out & start from scratch.

http://www.techsupportforum.com/har...


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#2
November 27, 2010 at 12:02:16
Make sure you have have all the required power cables from the PS connected - the main probably 24 pin connector and a 4 or 8 pin connector to the mboard, and if your video card has (a) power socket(s) you must connect to it (those).

Did you have the AC power to the power supply disconnected at ALL times when you were fiddling around with components and connections inside the case, including when you were connecting drives ?? ATX power supplies are always powering ATX mboards in some places, including some of the contacts in the ram and video card slots, even when the computer is NOT running, as long as the PS is connected to the mboard and the PS is receiving live AC voltage.

If you installed any ram module backwards in it's slot, then tried to boot the computer, the backwards module and the ram slot it is in are both instantly fried and both can NEVER be functional again. If you have done that, you will see physical damage both on the backward ram module contacts and in the ram slot.


"Also, the computer turns itself off a few seconds after it is turned on. After a few more seconds, it turns itself back on and repeats the process."

You must have the cpu fan wiring connected to the proper cpu fan header, otherwise most modern mboards will shut off within a few seconds when no rpm is detected by the bios coming from the cpu fan header, to prevent the CPU from overheating and destroying itself. .
Whether the computer turns itself on after it shuts itself off depends on settings in the bios Setup.

The ram part number you specified is listed as compatible by Corsair .

The cpu you specified is listed as compatible with the mboard model, but the mboard must have at least bios version 4021. If the mboard does not have that bios version or a higher version number, the mboard may not boot or it may not boot properly

Processor support
http://processormatch.intel.com/Com...

Intel Core i7 930 CPU
Processor spec SLBKP - only
Minimum bios version 4021


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#3
November 27, 2010 at 17:43:23
I ended up returning the motherboard and getting a different one.

Thanks anyway for your help.

Case closed.


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