Detailed System Memory Address Map - Intel BOXDB43LD - B43 Chipset Executive Series Manual

Intel Desktop Board DB43LD Technical Product Specification
The amount of installed memory that can be used will vary based on add-in cards,
BIOS settings, and operating system installed. Figure 8 shows a schematic of the
system memory map. All installed system memory can be used when there is no
overlap of system addresses.
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Figure 8. Detailed System Memory Address Map