HP Presario CQ61-100 Compaq Presario CQ61 Notebook PC and HP G61 Notebook PC - - Page 101

System memory map specifications, Maintenance and Service Guide, Specifications

Page 101 highlights

Specifications I/O address (hex) 3E8 - 3EF 3F0 - 3F7 3F8 - 3FF CF8 - CFB CFC - CFF System function (shipping configuration) Internal modem "A" diskette controller Serial port (COM1/default) PCI configuration index register (PCIDIVO-1) PCI configuration data register (PCIDIVO-1) System memory map specifications Size 640 KB 128 KB 48 KB 160 KB 64 KB 15 MB 58 MB 58 MB 2 MB 4 GB 64 KB 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 6-8 Maintenance and Service Guide

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6–8
Maintenance and Service Guide
Specifications
System memory map specifications
3E8 - 3EF
Internal modem
3F0 - 3F7
“A” diskette controller
3F8 - 3FF
Serial port (COM1/default)
CF8 - CFB
PCI configuration index register (PCIDIVO-1)
CFC - CFF
PCI configuration data register (PCIDIVO-1)
I/O address (hex)
System function (shipping configuration)
Size
Memory address
System function
640 KB
00000000-0009FFFF
Base memory
128 KB
000A0000-000BFFFF
Video memory
48 KB
000C0000-000CBFFF
Video BIOS
160 KB
000C8000-000E7FFF
Unused
64 KB
000E8000-000FFFFF
System BIOS
15 MB
00100000-00FFFFFF
Extended memory
58 MB
04800000-07FFFFFF
Super extended memory
58 MB
04800000-07FFFFFF
Unused
2 MB
08000000-080FFFFF
Video memory (direct access)
4 GB
08200000-FFFEFFFF
Unused
64 KB
FFFF0000-FFFFFFFF
System BIOS