A-1
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 5: Memory map
Address range Description
0~512 KB (000000 ~ 07FFFF) Base memory
512~640 KB (080000 ~ 09FFFF) Host/PCI memory
640~768 KB (0A0000 ~ 0BFFFF) PCI/ISA Video buffer memory
768~800 KB (0C0000 ~ 0C7FFF) Video BIOS memory
800~896 KB (0C80000 ~ 0DFFFF) ISA adapter BIOS and buffer memory
896~960 KB (0E0000 ~ 0EFFFF) BIOS extension memory
Setup and POST memory
PCI development BIOS
960~1024 KB (0E0000 ~ 0EFFFF) System BIOS memory
100000 KB ~ Upper Limit Main memory
Upper Limit ~ 4 GB PCI memory
v65xahb.book : app-a.fm Page 1 Friday, January 16, 1998 4:27 PM
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