Int 31/AX=0502h

AX = 0502h
SI:DI = handle of memory block

Return:
CF clear if successful
CF set on error
AX = error code (DPMI 1.0+) (8023h) (see #03143)

Note: Any selectors allocated for the memory block must also be freed, preferably before freeing the memory block

See Also: AX=0001h - AX=0101h - AX=0501h - AX=0D01h