P4 Random Freeze

edited June 2004 in Hardware
This is a really wierd problem.

I've got a 1.6GHz P4 machine running with 2 512MB DDR chips, cdrom and a hard drive. & a silenex 350W power supply.

The machine started to lock up anywhere from a few minutes, to a
few hours after starting.

I've run memtest86+, which found nothing. I pulled out both memory
chips and tried with just 1 memory chip - still froze no matter which chip I chose.
The memory seems ok.

The temperature of the system is only like 45 degrees, which should be ok. I've
double checked right after I noticed the machine locking up by rebooting and seeing what the bios health monitor says. The machine has a Cu zalman heatsink w/ fan on it, I'm pretty sure its not the heat.

I changed motherboards from an older abit to a soyo board. Same problem.

I switched video cards from a GeForce 2 AGP card to a GeForce 4 PCI card. Same problem.

I've tried this with fresh installs of XP, gentoo linux and booting off a knoppix CD. It locks under all thre methods. The only time it didn't seem to lock was when I left memtest86+ run for about 6 hours.

I don't know what else to check, the power supply is brand new, the soyo board was brand new, the heat sink was brand new. What else could cause the thing to just randomly lock?

Comments

  • kryystkryyst Ontario, Canada
    edited June 2004
    Have you over clocked it or adjusted any of the bios settings?

    Could be a bad ide cable, could be a bad cpu. Definitely a hardware error though.
  • edited June 2004
    kryyst wrote:
    Have you over clocked it or adjusted any of the bios settings?

    Could be a bad ide cable, could be a bad cpu. Definitely a hardware error though.

    New IDE cables too. Wouldn't something wrong there show up as I/O errors?

    Actually the CPU did used to be overclocked. only to like 2.0 GHz though. Maybe that did it.
  • kryystkryyst Ontario, Canada
    edited June 2004
    Not necessarily. If the ide cables where totally shot then yes you'd have I/O errors showing up. But if there was a little break or a loose connector you can end up in a situation where it works most of the time then suddenly it just looses it's connection and stops working.

    it's possible you did some damage when you OC'd it. When you flipped it back are you sure that you have all the timing setting set up correctly?
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