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f : freebsd-hackers@freebsd.org 15 July 2008 • 8:00AM -0400

Re: Hardware support for AMD Geode CS5536 audio?
by ancelgray

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OK,

After doing a little more reading, I see that a DOS test program is impossible because
the MSR registers for the audio controller are accessed in protected mode only.  
There actually are opcoded assembler instructions to access the MSR's:

RDMSR
WRMSR

This is a show stopper in DOS.

This is gonna take a little patience.


Andrew

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