) Call the XMS v3.0 driver "Query free extended memory" function with: AH = 88h Return: EAX = largest block of extended memory, in KB BL = status (00h,80h,81h,A0h) (see #02775) ECX = physical address of highest byte of memory (valid even on error codes 81h and A0h) EDX = total Kbytes of extended memory (0 if status A0h) BUG: HIMEM v3.03-3.07 crash on an 80286 machine if any of the 8Xh functions are called SeeAlso: #02758,#02772