System lockup with acpi error

pictureperfect

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Every so often I get a complete system lock with this message in event viewer:
ACPI: ACPI BIOS is attempting to write to an illegal PCI Operation Region (0xc), Please contact your system vendor for technical assistance.

I have seen it with several windows open or nothing running at all.
I am running Window 7 Beta 64bit, an HP XW8400, with a quad core xeon and 8GB of ram, with the lastest bios. I have turned off all power management options and it is still locking up.

Cheers
 

My Computer

Computer Manufacturer/Model Number
HP XW8400
OS
Windows 7
CPU
Quad-Core Intel® Xeon® processor 5335 2.00 GHz 8 MB L2 cache
Motherboard
HP Intel® 5000X
Memory
8GB
Graphics Card(s)
NVIDIA Quadro FX 3500 (256 MB, Dual DVI or Dual VGA)
Sound Card
Integrated Intel/Realtek HD Audio
Monitor(s) Displays
Dell 2707WFP
Screen Resolution
1920x1200
Hard Drives
500GB WD boot drive
2x Maxtor 1TB Stiped
PSU
800W HP
Case
HP
Cooling
standard
Keyboard
Logitech G15
Mouse
Logitech G7
Internet Speed
DSL
Hey on my xw8400 I got the same issue. No lockups though. I am on vista 64 bit business this started happening after the bios update. version 2.35.
You should contact hp and let them know about your problem
it may help resolve the situation


Ciao
Pe
 

My Computer

OS
vista
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