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thinkpad t41, acpi + ICH4 woes



I found that document about the ac97/ACPI s3 thing.
It refers to a different chipset, but maybe the bug never went away because
it was fixed in the driver? Figured its worth throwing out there.

http://support.fujitsu-siemens.de/DriverCD/Files_gepackt/Amilo/WinXP/2003_Amilo_M7400_FB2i/00_Chipset/V4.30.1006/WinXP_Chipset_Intel-855GM_V4.30.1006_MSlogo.htm

"
 On Windows 2000 Operating system if the Intel(r) 82801 BA/BAM AC '97 Audio 
 Controller device is enabled, the system may fail to enter the ACPI S3 system 
 power state. On certain systems, the issue has been attributed to some 
 behavior experienced with the AC '97 Audio Device driver included with Windows
 2000 operating system. To address this issue install an updated device driver 
 for the Intel® 82801 BA/BAM AC '97 Audio Controller.
"

-t12