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

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
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