1-8
Product Information
HP OmniBook 7100
Table 1-8. System Memory
00000 - 9FFFF
System memory
A0000 - BFFFF
Video
C0000 - CFFFF
Video BIOS
D0000 - DBFFF*
Free**
DC000*- FFFFF
System BIOS
*
Approximate boundary.
** Valid uses for memory addresses D0000-DBFFF:
Upper memory blocks (UMBs).
PC card memory windows.
Table 1-9. System Input/Output Addresses (100-3FF)
170-177
Internal CD-ROM drive (secondary IDE controller)
1F0-1F7
Internal hard disk (primary IDE controller)
220-22F
Crystal sound
376
Internal CD-ROM drive (secondary IDE controller)
378-37F
LPT1 (printer port)
388-38B
Sound
3B0-3BB
VGA adapter
3C0-3DF
VGA adapter
3E0-3E1
PCMCIA controller
3F0-3F5
Floppy controller
3F6
Internal hard disk (primary IDE controller)
3F7
Floppy controller
3F8-3FF
COM1 (serial port)
Table 1-10. DMA Channels
0
Sound record
1
Sound playback
2
Floppy drive
3
LPT1 (ECP parallel port)
4
Cascade
5
Free
6
Free
7
Free
Summary of Contents for OmniBook 7100
Page 1: ... HP OmniBook 7100 Service Manual ...
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Page 76: ...HP OmniBook 7100 Replaceable Parts 4 5 Figure 4 2 Display Components ...
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