Int 12

Return:
AX = kilobytes of contiguous memory starting at absolute address 00000h

Note: This call returns the contents of the word at 0040h:0013h; in PC and XT, this value is set from the switches on the motherboard

See Also: INT 11"BIOS" - INT 2F/AX=4A06h - INT 4C"Tandy 2000" - MEM 0040h:0013h

Category: Bios - Int 12h - B