HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                INT 15,88 - Extended Memory Size Determination

       AH = 88h

       on return:
       CF = 80h for PC, PCjr
          = 86h for XT and Model 30
          = other machines, set for error, clear for success
       AX = number of contiguous 1k blocks of memory starting
            at address 1024k (100000h)

       - works only on 80286 and 80386 machines
       - retrieves bytes 30 and 31 from the CMOS RAM (this data is set
         by the boot memory scan

Esc or Alt-X to exit int 15,88 Home/PgUp/PgDn/End ←↑↓→
Converted to HTML in 2006 by Timo Bingmann