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Old August 11th 05, 02:21 PM
R. McCarty
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I'll see if I can summarize your questions into a simple answer. The
HAL (Hardware Abstraction Layer) is basically the "Driver" for the
computer. The BIOS informs XP at install time which HAL to load.
Your system should be an ACPI (Advanced Configuration and
Power Interface) multiprocessor. You can find out which HAL the
XP instance is using by expanding the Computer category in device
manager. HALs cannot or should not be changed, once XP is up
and running. You also need to check and see if your motherboard
provides an APIC (Advanced Peripheral Interface Controller). This
is a chipset function that expands normal IRQ mappings to 23. A
complete "Freeze" like you describe sounds like a PCI bus interrupt
that is stalling the system. You might want to use MSInfo32 to look
at your IRQ Mappings. Without more hardware details it's not easy
to speculate on what is causing your problem(s).

"SubnetJO" wrote in message
...
The machine is designed as workstation by IBM (no modification has been
applied)

No termal problems, and nothing about in the event viewer.

Don't now about "ACPI Dual CPU".
Nothing has been modified in Windows or in the BIOS (latest version) about
ACPI.

The HAL is the standard implemetation from Microsoft (it is possibile to
modify it?).

Do you think I have to check something in my OS configuration or in the
bios, about ACPI?
What do you think I have to check? Where I can find the settings you think
I
have to monitor?

Really thank you for your help.
SubnetJO



"R. McCarty" ha scritto:

Check the Event logs. With the hardware you list - you may have
some thermal issues involved using a Server setup for a desktop.
Two processors and SCSI disks are going to generate lots of heat.
Is your setup using an ACPI Dual CPU HAL ?

"SubnetJO" wrote in message
...
Hi All.
I have a problem wth WinXP pro SP2.
I installaed the OS, the service pack and all the fixes on a IBM
Intellistation machine.
Dual Xeon processors, 1.5 Gbyte of RAM, SCSI discs... no perfomance
needs.

The machine works perfectly and is well configured. No problems using
Win2000 pro.

Using WindowsXP pro SP2, the machine suddenly and randomly, freezes.
The freeze is total and "solid", no response from the machine, no
response
from network, no response from keyboard or mouse.
After few seconds, or a minute, the machine wakes up and start working
as
nothing happened.

Never elapse more than 20 minutes between two freeze episodes
(sometimes 2
minutes).

The machine freezes whatever I'm doing.
Listening music, watching videos, surfing internet, reading, writing...
everything I do seems to cause the freeze, and doesn't matter if I'm
running
many applications or only a browser session... the machine freezes.

I surfed many forums on the Internet and the problem seems to be quite
"general".
Many people in the world seem to suffer the same problem, but I found
nothing to resolve it.

Nothing about this problem in the Microsoft KB, too.

Is anyone of you aware of a solution?
Is a recongnized bug from Microsoft? (should be, in my opinion).

Really thank you all.
SubnetJO







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