SpeedStep works in x64, but not in 32-bit XP [ASRock X99 Taichi/i7 6800K]

[66cats]

CPU's stuck at base clock (3.4 MHz), and doesn't want to budge. Guessing it's ACPI, but only guessing. Current ACPI.sys is 5.1.2600.7777; tried 5.2.3790.7777, but that just bluescreens. My HW is obviously unsupported, but x64 XP installed on the same box works without any issues.

-  Is ACPI the likely culprit?

- Are there other modded ACPI.sys versions i could try? (read some, but not all of Compiling ACPI v2.0 driver for Windows XP SP3 and Windows 2003 SP2 (x32/x64) thread, mostly over my head)

Any ideas welcome.

 

[Damnation]

@66cats

This is all the acpi.sys files as far as i know, including the newest acpi.sys I have.

https://ufile.io/xl07mr8a

@Dietmar might have a newer one though.

[66cats]

32 minutes ago, Damnation said:

all the acpi.sys

Thanks so much!

 

Edit: The first one i tried WORKS! Thanks again!

Edited March 29, 2024 by 66cats