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AX = 12FFh BX = 0506h SI:DI = access key
Return:
CF clear if successful AX = 0000h (successful) CX = 0000h CF set on error AX = function status 0000h function supported CX error code 80h if invalid access key 81h if no access key exists 0001h (AX > 0) function not supported CX undefined
Note: This function is supported by Novell DOS 7+ EMM386.EXE 3.0+ and possibly by HIMEM.SYS 2.3+.
See Also: AX=12FFh/BX=0406h
Category: Memory Management - Int 2Fh - N
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