5F10h – Get Display Memory Information

This function returns information regarding the linear memory starting address, size and memory mapped base address.

Calling Register:

AX = 5F10h, Get Linear Display Memory Information function

Return Registers:

AX = Return Status (function not supported if AL != 5Fh):

= 005Fh, Function supported and successful

= 015Fh, Function supported but failed

ESI = Display memory base address

ECX = Total physical display memory size (in bytes)

EDX = Available display memory size (in bytes)

EDI = Memory Mapped I/O Base Address

EBX = Stride (memory scan line width in bytes)