Memory & I/O Maps Memory Mapping - Kontron CPCI-MXS Technical Reference Manual

B. MEMORY & I/O MAPS Memory Mapping
1MB to top of DRAM
See detailed map
to the right
0 - 640KB DRAM
Address
00000-9FFFF
A0000-BFFFF
C0000-CBFFF
CC000-FFFFF
E0000-FFFFF
100000-Top of DRAM
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System BIOS
Optional ROM (Free)
LAN BIOS if activated (~30KB)
SCSI BIOS (18KB at runtime)
Optional ROM (Free)
Video BIOS
100000h
A0000h
Video DRAM
Note 1 : LAN BIOS address may vary
Note 2 : SCSI BIOS address may vary.
Size is only 2KB if no device.
Function
0-640 KB DRAM
Video DRAM
Video BIOS
Optional ROM (Free)
LAN BIOS around 30KB if activated, address may vary
SCSI BIOS 18KB at runtime, 2KB if no device, address may vary
System BIOS
1 MB - Top of DRAM
B-1
FFFFFh
E0000h
See Note 1
See Note 2
C 000h C
C0000h
A0000h