With respect to the operating-system—specific expanded memory functions, the EMM is returned to the state it had when the system was initialized. A new access key is returned by the next call to Int 67H Function 5DH Subfunction 00H or 01H.Releases the access key obtained by a previous call to Int 67H Function 5DH Subfunction 00H or 01H.
Call with:
AH = 5DH
AL = 02H
BX:CX = access key
Returns:
If function successful
AH = 00H
If function unsuccessful
AH = error code
Notes:
With respect to the operating-system—specific expanded memory functions, the EMM is returned to the state it had when the system was initialized. A new access key is returned by the next call to Int 67H Function 5DH Subfunction 00H or 01H.
This function is intended for use by operating systems only and can be disabled by the operating system at any time.