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Bad Motherboard or Bios?

F

forkd

Golden Member
a friend has an ECS k7s5a and he had a loud whine out of his computer or speakers and then the system died. He couldn't get the system to even power on. I replaced the motherboard with my good motherboard of the same make, model and revision and it worked fine. I can get the PS to spin for less than a second when I clear the bios but it dies instantly.

Which is more likely the issue; The motherboard has crapped out (1 week old) or the Bios was corrupted.

If the bios was corrupted...how does that happen and what can I do to avoid it in the future?

I always get good information when I ask these stupid questions so thank you in advance.

 
I replaced the motherboard with my good motherboard of the same make, model and revision and it worked fine. I can get the PS to spin for less than a second when I clear the bios but it dies instantly
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Well which is it? Does the system run fine with your board or does the power supply shut off after a second?
 
my guess is you have a bad motherboard. since it's < 1 week old, can't you return it? (does it matter if it's the bios or MB?)

my 2 cents is you have a crappy MB. the BIOS code is on a EEPROM chip, so unless you sent it a surge or something, the BIOS code is fine (clearing the BIOS settings with the jumper will not affect it). Of course, if you sent a surge, the MB is more likely to be toasted than the BIOS chip. the only other way I know of to screw a BIOS is to shut the power off in the middle of a flash.

btw, the first k7s5a I bought wouldn't even POST, but the one I'm using now is running like a champ.
 
P.S. if you really want the answer, I guess you could pull your friend's BIOS chip and stick it in yours to see if it works.

** I disclaim any responsibility if you screw both systems. Do so at your own peril. **
 
thanks. It wasn't the board at all. Turns out the CPU, AMD 1500XP, was shot. I think the thermal fan speed controller didn't do its job because the cpu markings were burned into the HS/F. I did an exchange at the store as it was only 10 days old and now it is running fine and the HS/F is turned up to max.
 
Well those "thermal control" fans are highly dangerous for high speed CPUs because they react much too slowly. The CPU die's temperature curve at poweron will overshoot into dangerous ranges before the heatsink itself has heated up enough to make the fan spin at good speed.

regards, Peter
 
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