Base Addresses for Some Typical Devices
Base Addresses for Some Typical Devices
Title: Base Addresses for Some Typical Devices
Keywords: Base Addresses for Some Typical Devices
Date:June 14 1997
KDB: KDB192
Distribution: external
author: technical support
| Device |
Address Range |
Size |
| Upper user RAM |
80000h - 9FFFFh |
128K |
| Video buffer RAM |
A0000h - BFFFFh |
128K |
| EGA/VGA video memory |
A0000h - BFFFFh |
128K |
| MDA video memory |
B0000h - B7FFFh |
32K |
| CGA video memory |
B8000h - BFFFFh |
32K |
| ROM expansion |
C0000h - DFFFFh |
128K |
| EGA BIOS ROM |
C0000h - C3FFFh |
16K |
| PGA comm area |
C6000h - C63FFh |
1K |
| Cluster adapter BIOS |
D0000h - D7FFFh |
32K |
| Adaptec controllersBIOS |
DC000h - DFFFFh |
16K |
| BIOS expansion |
E0000h - EFFFFh |
64K |
| BIOS |
F0000h - FFFFFh |
64K |