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CPU Idling at 20% from System Interrupts
I've gone through at least a dozen hoops to try and fix this, first here are specs
Intel ExtremeEdition 955 Dual-Core (Pentium D) with Hyper Threading, 3.46Ghz (not overclocking)
nVidia GeForce 9600 GT
FoxConn 975X7AB
2Gb DDR2 RAM
Ok, here's the problem. Fresh install of Win7 (64-bit), open up Resource Monitor and see System Interrupts taking 16-20% cpu. (Not sure if this is important, but it's 75-85% on 1 core out of 4.) Things I've tried:
-Updating drivers for EVERYTHING
-All IDE devices are running in DMA mode
-some people had a problem with a Realtek audio driver for high definition audio, in particular, a driver at C:/Windows/System32/DRIVERS/hdaudbus.sys Disabled it, restarted, nothing changed.
Anything else I can do? Thanks for the help in advance!