VIA694X System Board 62
Chapter 5 Appendix
5-1 Memory Map
Address range Size Description
00000-7FFFF 512K Conventional memory
80000-9FBFF 127K Extended conventional memory
9FC00-9FFFF 1K Extended BIOS data area if PS/2 mouse is
installed
A0000-C7FFF 160K Available for hi DOS memory
C8000-DFFFF 96K Available for hi DOS memory and adapter
ROMs
E0000-EEFFF 60K Available for UMB
EF000-EFFFF 4K Video service routine for monochrome &
CGA adapter
F0000-F7FFF 32K BIOS CMOS setup utility
F8000-FCFFF 20K BIOS runtime service routine (2)
FD000-FDFFF 4K Plug and play escd data area
FE000-FFFFF 8K BIOS runtime service routine (1)
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