Int 16/AX=F401h

Compaq Systempro and higher - ENABLE CACHE CONTROLLER

AX = F401h

Return:
AX = E201h

Notes: Also supported by some versions of AMI BIOS dated June 1992 or later. Many (most) BIOSes return a modified AH when called for an unsupported or non-keyboard function (typically, the highest supported keyboard function [normally 12h] is subtracted from the original AH)

See Also: AX=F400h - AX=F402h

Category: Vendor-specific BIOS Extensions - Int 16h - C

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