Random reboots and freezez

I am experiencing random reboots and computer freezing. This mostly happens when playing World of Warcraft but also in the normal OS environment.

3000+ AMD 64
Gigabyte GA-K8NF-9 Mobo
Gigabyte 6600GT (pci-e) 128mb
2x512 HyperX Kingston PC2700 CL2
36GB Raptor (main, OS)
80gb hd+120gb hd
SB Audigy 2
450W PSU

I have latest drivers for graphic card and mobo. I havent turned up anything in bios like CPU or RAM. A check on CPU temp after a reboot doesnt give any strange values (maybe temp goes down right after reboot?)
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More about random reboots freezez
  1. i notice you have pc2700

    If you are running a 400mhz FSB which i beleive the 64bit processor does. i could be wrong. Pc2700 RAM runs at 333mhz.

    If that is the case then it appears the RAM is being overclocked and therefore locks up.

    I would suggest getting faster RAM (pc3200 or better) and take those back.

    <A HREF="http://www.anandtech.com/mysystemrig.html?id=9933" target="_new"> My Rig </A>
  2. But different clock speed shouldnt cause the computer to crash? It says 166mhz when I boot.
  3. ok

    what about your Power Supply Unit (PSU)? name brand and wattage?

    <A HREF="http://www.anandtech.com/mysystemrig.html?id=9933" target="_new"> My Rig </A>
  4. i noticed just now the wattage - 450 should be enough ... Lock ups though is typically associated with bad RAM or overclocking.

    do a google search for memtester and check that out. Its a memory tester.

    <A HREF="http://www.anandtech.com/mysystemrig.html?id=9933" target="_new"> My Rig </A>
  5. Download and run Memtest86+ (it's the version specifically for a64 chips).

    Let it run overnight (at least), should be NO errors. Memtest86+ loops continuously, there is no "end".

    Mobile XP 2600+ (11X215)
    Abit NF7-S v 2.0
    Maxtor 60GB ATA 133 7200RPM
    1 gig Corsair XMS PC3200
    eVGA 6800GT
    Enermax Noisetaker 420 watts
    Win2K sp4
  6. Is there a windows based memtest? Im not to comfortable with those DOS-programs...
  7. just make a bootable CD. It boots right off of it and pretty much starts on its own.

    I would not use any memory tester in windows. It's best to boot off a disk so if/when there is a memory failure you're not risking any data corruption.

    <A HREF="http://www.anandtech.com/mysystemrig.html?id=9933" target="_new"> My Rig </A><P ID="edit"><FONT SIZE=-1><EM>Edited by xxsk8er101xx on 09/14/05 10:35 AM.</EM></FONT></P>
  8. http://www.almico.com/sfdownload.php use speed fan to check your temperatures while your cpu is under load.

    (")_(") bunny pwns j00
  9. Recently had same problems with 2900+AMD with Chaintech MOBO. Restarts, temperature problems, and voltage warnings. Mostly while gaming.
    I had updated Video card driver to the wrong version. MS OS 64 bit version.
    Installed the correct Video driver and the problems resolved.
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