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I don't know if my MB or CPU is dead. I was working on switching out different ram modules to troubleshoot system lockups. After a lockup, I inserted a different ram module, restarted, and discovered my current problem. The system powers on, all fans come on, drives start spinning, cdrom displays activity, but no video, bios, etc. My board is an EPOX 8kha with a Via KT266 chipset. The board has a built in post reader which displays the codes. Normally it goes through a series of codes as it boots up and finally ends up with 'FF' if everything checks out. Now, regardless of the ram module (or lack of) and dimm, the system does not go through this process. It starts at 'FF' and nothing is displayed on the monitor, not even the bios. Do you think it is the board or the CPU? How can you tell the difference?
the way to tell if its the cpu is to put in a known good cpu. if it works, then its your cpu. if not, then probably mobo
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Hard hit - But its your Motherboard. You should heard some Speaker Signals if your motherboard chipset is fine, i guess since u dont.. its your motherboard. Fans and cds would show activity anyway cause they are getting current.
Rather check your cpu on a good board.Ask your dealer to check your processor by lying to him that you have another processor which runs just fine on the board ;)
This is possibly caused by your psu.If any of the capacitors on the mobo have "bulged out from the x mark on them" then its definately your Motherboard, no need to go to dealer with processor.ALso change your PSU then.
Rana.Singh
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Look in the back of your Epox manual, there's a list of post codes in the back of mine. Or got to Epox's site and have a look for code lists. The letters/numbers that the board shows when it crashes are often the cause of the problem, my ram was dead and it showed in the post codes C1. That is the testing RAM code and so straight away i removed that dimm, and no problems since...
Oh if you want to know what a dead cpu is like, just take it out and turn on your computer.... fans go but not HD access, no video and no beep.
Good luck with your probs though......
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Thanks. I'm still not sure which one is the culprit. Hoonbernator: What do you mean by no hard drive access? My drives spin up with no problem; however, I get no video, no beep, no post codes except 'FF', no post sequence. I've even cleared my cmos and removed the battery. Afte the crash, I swapped memory sticks and accidentally placed the stick in Dimm3. I received the same error code 'C1'. I shutdown, placed the ram module (I've tried each one) in Dimm1 but nothing after that.
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Follow up to my last post. I'm still leaning toward the board because that's what I narrowed it down to regarding my problem with the system locking up while performing heavy writes to my IDE drives. I run a SCSI subsystem but use the IDE drives for storage due to their large capacity. This was the problem that had me swapping out ram modules to retest them so as not to overlook them.
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Interesting...I removed my CPU and the board acts the same way it did with the CPU in the socket. What do you think? Board or CPU? Any other way to tell with out testing each with a known good component?
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I had the same problem and I figured out that its my cpu. It takes quite a lot to burn out your mobo unless you have a pwr surge. So what I recommend is taking a friends processor and putting it in yours. If it works then it is your processor obviously. If you don't have a friend that is willing to do this then unplug everything except your cpu fan and your memory. Take everything out of PCI slots. and then try to turn it on. If it doesn't POST then it is probably your cpu. But the only way to really know is to test it on another mobo or test someone elses in yours.
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