A-2 IBM Personal Computer User Guide
Memory map
This table shows the hexadecimal addresses for the system memory regions. You
may use this information for adapter cards that require you to set up memory
regions.
Table 2: Memory map
Address range Description
0~640 KB (000000 ~ 09FFFF) Main memory
640~768 KB (0A0000 ~ 0BFFFF) VGA memory
768~816 KB (0C0000 ~ CBFFFF) Video BIOS Memory
816~896 KB (0CC000 ~ 0DFFFF) ISA Card BIOS & Buffer Memory
896~960 KB (0E0000 ~ 0EFFFF) BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
960~1024 KB (0F0000 ~ 0FFFFF) System BIOS memory
(100000 ~ Upper Limit) Main memory
(Upper Limit ~ 4 GB) PCI memory
Note:
Upper Limit means the maximum size of installed
memory.
The Main Memory Maximum size is 512 MB.
To Next Page
Loading...
