Specifications

AA
I/O and Memory Maps
Page 3
Memory Map
Physical addresses are mapped into memory in the following manner. The
BIOS extension regions and windows may change depending on
requirements. PicoCard needs an 8K BIOS extension and PicoFlash needs a
16K BIOS extension. Additionally, they use an 8-16K window for memory
access.
Physical Address Range Region Description
00000000 - 0009FFFF
DRAM
000A0000 - 000BFFFF
VGA
000C0000 - 000C7FFF
Shadowed VGA BIOS
000C8000 - 000C9FFF
Manufacturing BIOS Extension
000C8000 - 000CFFFF
BIOS Extension area (PicoFlash/Card, etc.) *
000D0000 - 000D3FFF
PicoCard 16K window
000D4000 - 000D7FFF
PicoFlash 16K window (PicoFlash/Card, etc.) *
000D8000 - 000DFFFF
BIOS Extension area (PicoFlash/Card, etc.) *
000E0000 - 000FFFFF
Shadowed System BIOS
00100000 - 007FFFFF
DRAM
00200000 - 002FFFFF
Unused
03000000 - 033FFFFF
Linear Flash Address (using 28F032)
03F80000 - 03FFFFFF
Flash Boot Device
Table A-3. Memory Map.
∗ Signifies range of possible locations
When booting from the PICO Card BIOS extension, the window is located at
the first free area of the D page.