click below
click below
Normal Size Small Size show me how
Memory address map
System memory addresses
Address | Function |
---|---|
0-3FF | Interrupt vectors |
400-47F | ROM-BIOS RAM |
480-5FF | Basic and special system function RAM |
600-9FFFF | Program memory |
0A0000-0AFFFF | Video Graphics Adapter (VGA)/Enhanced Graphics Adapter (EGA) display memory |
0B0000-0B0FFF | Monochrome display adapter memory |
0B8000-0BFFFF | Color graphics adapter memory |
0C0000-0C7FFF | VGA/Super Video Graphics Adapter (SVGA) BIOS |
0C8000-0CBFFF | Enhanced Integrated Drive Electronics (EIDE)/Small Computer System Interface (SCSI) ROM, and older hard disk types |
0D0000-0D7FFF | BIOS extension area ROM |
0D0000-0DFFFF | LAN adapter ROM |
0E0000-0E7FFF | BIOS extension area ROM |
0E8000-0EFFFF | BIOS extension area ROM |
0F0000-0F3FFF | BIOS extension area ROM |
0F4000-0FBFFF | BIOS extension area ROM |
0F8000-0FCFFF | BIOS extension area ROM |
0FC000-0FDFFF | ROM BIOS |
0FE000-0FFFFF | ROM BIOS |