Kontron AT8050 - Manual (Page 137)

A-1 AT8050
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A. Memory & I/O Maps
A.1 Memory Mapping
Address Function
00000-9B7FF 0-622 KB DRAM
9B800-9FFFF 622KB - 640 KB XBDA; USB Legacy / BIOS Stack
A0000-BFFFF Video DRAM
C0000-DBFFF
Optional ROM (Free)
LAN BIOS around 30KB if activated, address may vary
External Fiber Channel BIOS 18KB-64KB , address may vary
E0000-FFFFF System BIOS
100000-PCI Memory DRAM available
1MB to top of DRAM
System BIOS
See detailed map
to the right
0 - 622KB DRAM
Optional ROM (free)
Video DRAM
SAS BIOS
(18KB at runtime) (if activated)
LAN BIOS (if activated) (~30KB)
100000h
A0000h
FFFFFh
E0000h
See Note 1
C0000h
A0000h
Note 1 : LAN BIOS address may vary
Note2: SAS BIOS address may vary.
Size is only 2KB if no device.
Optional ROM (Free)
See Note 2
XBDA; USB Legacy / BIOS Stack