NF7-S / XP Pro sudden shutdown

  trashi 22:25 30 Jun 2003

I am experiencing a peculiar problem. I'm running WinXP Pro on AMD XP3000+ Barton, ABit NF7-S v2.0, 1gb Ram(2x512mb pc2700), 400W PSU, FX5600 128mb. The pc will operate normally for a period of time, then the monitor switches to powersave. The PSU, CPU, MBoard, agp...... fans all run, but they seem to rotate slower and it still takes 5 secs to power off the base unit. On re-powering up, no indication is given of a bad shutdown and nothing in event viewer. I have an old nVidia TNT2 agp card. When this is installed instead of the FX5600, the pc runs for longer periods of time before dieing. Please help us

  Giggle n' Bits 22:29 30 Jun 2003

or a voltage/compatibility problem with the AGP Slot.

Check your CPU Running temp in BIOS settings.

Is the board identifying your cpu and set ok in bios ?.

  trashi 23:06 30 Jun 2003

The CPU temp isn't too high.
I had real problems to start with, i had to borrow an XP1400 so i could flash the bios to get it to boot with the xp3000+ barton. The bios then only gives 'user define' settings. I have set it to 166/13.0x/1.725 core voltage. the board doesn't recognise the chip but it runs at the correct speed.
"voltage/compatibility problem with the AGP Slot" ???

  BillEmm 22:23 01 Jul 2003

V2 of this board has a different BIOS to the other versions. The Barton 3000+ really need level NF7D12 or later. The latest is NF7D16.
It is important that the CMOS data is cleared as the final step in flashing.

Apologies if I'm teaching Granny....but there have been problems with users applying BOIS levels for the V1 model - its easy to make this mistake on the Abit site.


  Steven135 22:26 01 Jul 2003

Shot in the dark have you disabled hybernation and powersave options?

  trashi 22:46 01 Jul 2003

I've managed to resolve this issue.
The power supply i had was a cheap one labelled as 400W. I tried a new one (nearly twice as expensive) rated as 365W - this is a much more accurate rating and the power distributed to the +12v rail is more than 3 times that of the 400W.
I hope this will help anyone with similar issues. Thanks again to everyone who responded.

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