From: "Robert Comer" 

The Prescott CPU has other problems too, it doesn't appear to be all that compatible.

NT4 can't run on a Prescott at all, even if you try it in a VPC2004 VM...

- Bob Comer


"Rich Gauszka"  wrote in message
news:412ba56d$1{at}w3.nls.net...
> Looks like there are some issues ( Mainboard BIOS and  L1/ L2  ) with XP
> Sp2 and  Prescott motherboards from various manufacturers.
>
>
>> I have an Asus T2-P machine with a 2.8 Prescott (
>> http://uk.asus.com/products/desktop/t2-p-
>> d/overview.htm ). The machine runs fine with SP1 and all
>> the windows updates. However, when trying to install SP2,
>> it appears to complete the install with no problems,
>> allows me to reboot, then stops during the boot. On safe
>> mode it stops on (shows last) mup.sys.. I tried the
>> procedure to unistall the service pack, but it still
>> would not boot. I have tried formatting and installing
>> base XP, and then install SP2 and it does exactly the
>> same. I have disabled everything in the bios (usb, serial
>> etc etc, the lot!) and upgrading, but it always dies at
>> mup.sys..
>
>
> This is a known problem.  Some systems with a Prescott CPU on a i865 and
> i875 chipset motherboards have this exact problem with Service Pack 2.
> The only way to work around it is to disable the L1 and L2 cache for
> your processor.  As you can imagine, this will absolutely kill the speed
> of your computer.  I would disable the L1 and L2 Cache, boot into XP,
> uninstall SP2, enable L1 and L2 Cache, and use SP1 until a fix is
> released.  Since it sounds like you have completely formatted and
> everything, you may want to just format again and reinstall Windows (SP1).
>
>
> Known issue: you need to apply a BIOS update to your motherboard, if your
> manufacturer has released one yet.
>
> See
>
> http://forum.aumha.org/viewtopic.php?t=7447> for more, and an
> intermediate
>
> workaround of disabling L1/L2 cache
>
> The list of motherboards known to have this problem has expanded to
> include:
>
> Albatron PX865 PE Pro
> Shuttle SB61G2
> Jetway i875P
> Soyo P4I865P
> Aopen AX4SG Max
> Asus P4P800-E deluxe
> Abit IS7-V
> Foxconn 865A01-G-6EKRS
>
>
>

--- BBBS/NT v4.01 Flag-5