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Posted 13 June 2011 - 12:04 PM
Posted 13 June 2011 - 12:35 PM
Hopefully this info will help you find out more about the power states and why the processor is throttled. Some easy questions to get out of the way: Is XP Home updated to SP3? Is Intel SpeedStep still enabled in the BIOS? When you say you've tried three other CPUs, are you removing and installing them on the same motherboard?
There is a command line tool that lets you find out (and even alter) the performance mode of your CPU(s) as related to each power scheme. POWERCFG.EXE allows you to look up specific power scheme settings and change them from the command line.
Posted 13 June 2011 - 01:00 PM
Posted 13 June 2011 - 01:03 PM
Do you have access to a different connection to download the service packs? I think it's a long shot but it wouldn't be a bad variable to eliminate, otherwise I would think it's a motherboard issue as well. I have not run into this before though, so hopefully someone from the community will be able to shed some light!
If the command line interface doesn't help I'm going to assume it's a motherboard issue unless there are some other things somebody can think to check.
Posted 13 June 2011 - 01:55 PM
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