Memory Map; Table 3-1. Memory Map - Vortex 86Sx/Dx Processor - ADLINK Technology CoreModule 430 Reference Manual

Pc/104 single board computer
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Chapter 3

Memory Map

The following table provides the common PC/AT memory allocations. These are DOS-level addresses. The
OS typically hides these physical addresses by way of memory management. Memory below 000500h is
used by the BIOS.

Table 3-1. Memory Map - Vortex 86SX/DX Processor

Base Address
00000000h
-
000A0000h
-
000B0000h
-
000B8000h
-
000C0000h
-
000D0000h
-
000E0000h
-
000F0000h
-
00100000h
-
FFFC0000h
-
[for SX
processor]
FFE00000h
-
[for DX
processor]
CoreModule 430
Function
0009FFFFh
Conventional Memory
000AFFFFh
Graphics Memory
000B7FFFh
Mono Text Memory
000BFFFFh
Color Text Memory
000C7FFFh
Standard Video BIOS
000DFFFFh
Reserved for Extended BIOS
000EFFFFh
Extended System BIOS Area
000FFFFFh
System BIOS Area (Storage and RAM Shadowing)
Top of
Main DRAM Range
DRAM
FFFFFFFFh
System Flash
Reference Manual
Hardware
17

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