ocr: For more details on: addressing Extended and the UMA, see Memory PCI - memory map (1MB and up) HMA (High Memory Area) Expanded UMA Memory (Upper Area Memory (640K to 1MB) (EMS) Page frame - Drivers & ISRS Conventional EMS memoryis bank Memory switched into the UMA - (0-640K) called through the a reserved pageframe. area Regular DOS Applications
