Int 67H [EMS 4.0] Function 52H (82) Subfunction 02H Get attribute capability

Returns a code indicating whether the Expanded Memory Manager and hardware can support the nonvolatile attribute for EMM handles.

Call with:

AH = 52H

AL = 02H

Returns:

If function successful

AH = 00H

AL = attribute capability

0 = only volatile handles supported

1 = volatile and nonvolatile handles supported

If function unsuccessful

AH = error code