Processor Throttling In Windows XP

TomSlick writes "Michael Chu, a former Intel employee, has written up a fairly interesting and readable summary of Windows XP power schemes as they relate to Intel processor throttling. An old topic, but one still relevant as many business notebooks still use XP."

Comments

I couldn't get my desktop machine to be stable ...

[antdude]

... with AMD Cool'n'Quiet in Windows XP Pro. SP2 even with the latest drivers on my Athlon 64 4600+ (939 dual core) system. It seems like I would get rare random blue screens of deaths (IRQL_NOT_LESS_OR_EQUAL) when playing videos. One time, I had a corrupted SB Audigy 2 ZS driver and I had to reinstall it. I don't have this problem if I don't use the power management (Cool'n'Quiet).

No one was able to figure out why I get them according to this newsgroup thread. Maybe it is because of all my hardware devices I have in this case (Audigy2 ZS, an old ASUS TV tuner, HDTV tuner card, five drives, etc.).

I have not tried to clean install OS (XP installation has been used since 2002 or so), or try Linux. I will try that later on when I have lots of free time. My older Athlon 64 3200+ (754 single core) has no problems in Debian/Linux with powernow-k7 (Kernel 2.6.22-K7), but it is a simple box (only one PCI card for ethernet card [Intel brand].