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Memory Map
Range CPU address Region Cached
0 to 640K 00000000-0009FFFF DRAM yes
640K to 768K 000A0000-000BFFFF VGA memory no
768K to 816K 000C0000-000CBFFF Shadowed VGA BIOS yes
816K to 896K 000CC000-000DFFFF ISA bus or UBE yes
896K to 1M 000E0000-000FFFFF Shadowed System ROM BIOS yes
1M to 16M 00100000-00FFFFFF DRAM yes
If no DRAM, ISA or PCI memory no
16M to 64M 01000000-0FFFFFFF DRAM yes
If no DRAM, PCI no
64M to (4.0G–512K) 10000000-FFF7FFFF PCI no
Top 512K to Top 16K FFF80000-FFFFFFFF FBD no
8 Planar Clean Screen II PC User’s Manual
CS II Manual LAYOUT#2304 3/25/99 11:16 AM Page 8