System Dma Specifications; System Memory Map Specifications - HP Compaq Presario CQ61 Maintenance And Service Manual

Specifications

System DMA specifications

Hardware
DMA0
DMA1
DMA2
DMA3
DMA4

System memory map specifications

Size
640 KB
128 KB
48 KB
160 KB
64 KB
15 MB
58 MB
58 MB
2 MB
4 MB
64 MB
✎
This table contains default values. The actual resource allocation is determined by the operating system.
6–6
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DMA System function
Not applicable
Not applicable
Not applicable
Not applicable
Direct memory access controller
Memory address
00000000-0009FFFF
000A0000-000BFFFF
000C0000-000CBFFF
000C8000-000E7FFF
000E8000-000FFFFF
00100000-00FFFFFF
04800000-07FFFFFF
04800000-07FFFFFF
08000000-080FFFFF
08200000-FFFEFFFF
FFFF0000-FFFFFFFF
System function
Base memory
Video memory
Video BIOS
Unused
System BIOS
Extended memory
Super extended memory
Unused
Video memory (direct access)
Unused
System BIOS
Maintenance and Service Guide