HP Pavilion xh216 HP Pavilion Notebook - Reference Guide - Page 135

System Memory, System Input/Output Addresses 100-3FF, DMA Channels

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Specifications and Regulatory Information Hardware and Software Specifications 14 Internal hard disk drive (primary IDE controller) 15 Internal CD-ROM drive (secondary IDE controller) System Memory 00000 - 9FFFF System memory A0000 - BFFFF Video C0000 - CFFFF Video BIOS D0000 - DBFFF Free (valid uses: upper memory blocks (UMBs) or PC card memory windows) DC000 - FFFFF System BIOS 170-177 1F0-1F7 220-22F 376 378-37F 388-38B 3B0-3BB 3C0-3DF 3E0-3E1 3F0-3F5 3F6 3F7 3F8-3FF System Input/Output Addresses (100-3FF) Internal CD-ROM drive (secondary IDE controller) Internal hard disk drive (primary IDE controller) DOS games (FM decoding) Internal CD-ROM drive (secondary IDE controller) LPT1 (printer port) DOS games (FM decoding) VGA adapter VGA adapter PCMCIA controller Floppy disk drive controller Internal hard disk drive (primary IDE controller) Floppy disk drive controller COM1 (serial port) DMA Channels 0 Free 1 Free 2 Floppy disk drive 3 LPT1 (ECP parallel port) 4 Cascade from secondary DMA controller 5 Free 6 Free 7 Free Reference Guide 135

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Specifications and Regulatory Information
Hardware and Software Specifications
Reference Guide
135
14
Internal hard disk drive (primary IDE controller)
15
Internal CD-ROM drive (secondary IDE controller)
System Memory
00000 - 9FFFF
System memory
A0000 – BFFFF
Video
C0000 - CFFFF
Video BIOS
D0000 - DBFFF
Free (valid uses: upper memory blocks (UMBs) or PC card memory windows)
DC000 - FFFFF
System BIOS
System Input/Output Addresses (100-3FF)
170-177
Internal CD-ROM drive (secondary IDE controller)
1F0-1F7
Internal hard disk drive (primary IDE controller)
220-22F
DOS games (FM decoding)
376
Internal CD-ROM drive (secondary IDE controller)
378-37F
LPT1 (printer port)
388-38B
DOS games (FM decoding)
3B0-3BB
VGA adapter
3C0-3DF
VGA adapter
3E0-3E1
PCMCIA controller
3F0-3F5
Floppy disk drive controller
3F6
Internal hard disk drive (primary IDE controller)
3F7
Floppy disk drive controller
3F8-3FF
COM1 (serial port)
DMA Channels
0
Free
1
Free
2
Floppy disk drive
3
LPT1 (ECP parallel port)
4
Cascade from secondary DMA controller
5
Free
6
Free
7
Free