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AX = 2401h
Return:
CF clear if successful AH = 00h CF set on error AH = status 01h keyboard controller is in secure mode 86h function not supported
Notes: Also supported by AMI PCI BIOS and Qualitas 386MAX v6.01+. IBM classifies this function as optional
See Also: AX=2400h - AX=2402h - PORT 0092h
Category: Vendor-specific BIOS Extensions - Int 15h - S
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