HP HDX X16-1300 HP HDX 16 Entertainment PC - Maintenance and Service Guide - Page 108
System DMA specifications, Hardware, DMA System function, Memory address
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System DMA 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. System memory map specifications Size 640 KB 128 KB 64 KB 64 KB Memory address 00000000-0009FFFF 000A0000-000BFFFF 000C0000-000CFFFF 000E8000-000FFFFF 00100000- XFFFFFFF (X+1)0000000-FEDFFFFF FED00000-FED003FF FEE01000-FFFFFFFF System function Base memory Video memory Video BIOS System BIOS Extended memory (based on memory installed) PCI bus High precision event timer PCI bus Specifications 6-7
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