Int 1F/AH=FBh

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C&T SuperState BIOS - GET/SET CPU SPEED

AH = FBh
BL = function
00h get CPU speed

Return:
AL = current CPU speed (00h = fast, 01h = slow)
01h set CPU speed
AL = new CPU speed (00h = fast, 01h = slow)

See Also: AH=FCh/BL=00h

Category: Vendor-specific BIOS Extensions - Int 1Fh - C

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