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System dma specifications, System memory map specifications – HP HDX 16 User Manual

Page 108

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Specifications

6–7

System DMA specifications

System memory map specifications

Hardware

DMA System function

DMA0

Not applicable

DMA1*

Not applicable

DMA2*

Not applicable

DMA3

Not applicable

DMA4

Direct memory access controller

DMA5*

Not applicable

DMA6

Not assigned

DMA7

Not assigned

*PC Card controller can use DMA 1, 2, or 5.

Size

Memory address

System function

640 KB

00000000-0009FFFF

Base memory

128 KB

000A0000-000BFFFF

Video memory

64 KB

000C0000-000CFFFF

Video BIOS

64 KB

000E8000-000FFFFF

System BIOS

00100000- XFFFFFFF

Extended memory (based on memory installed)

(X+1)0000000-FEDFFFFF

PCI bus

FED00000-FED003FF

High precision event timer

FEE01000-FFFFFFFF PCI

bus