Note: This API call is for DOS and Win16 personality only. Use Family API for portability.
AH=00H
Version
2 and higher
Brief
Obtains the version number of the Extended Memory Specification that is supported by the installed driver.
Family API
none
Input
AH = 00h
Return
- AX status: 0000H = successful, 0001H = error and BL=XMS error code (if BL >= 80H) else = XMS version number in BCD; e.g., 0234H=2.34
- BX driver internal version number
- DX HMA flag: 0001H = HMA exists; 0000H=HMA does not exist