HP omnibook 2000_5500_5700 Manuale Di Servizio
99
Table 32 - System I/O Addresses for the OmniBook 5500
170-178
Secondary HDD controller (internal CD-ROM)
1F0-1F7
Internal hard disk
220-22F
Crystal sound
2F8-2FF
COM2 (infrared port)
330-331
MPU 401 (MIDI)
378-37A
LPT1 (printer port)
388
Sound
3C0-3DF
VGA adapter
3E0-3E1
PC card bridge on PCI
3F0-3F5
Floppy controller
3F6
Primary HDD controller
3F8-3FF
COM1 (serial port)
3000-33FF
VGA on PCI
3400-347F
SCSI on PCI
3E0H-3E1H
PC Card on ISA
DMA Channels
The following tables lists the available DMA channels for the OmniBook 2000, 5500, and 5700.
Table 33 - DMA Channels for the OmniBook 2000 and 5700
0
Sound record
1
Sound playback
2
Floppy drive
3
Fast IR
4
DMA controller
5
Free
6
Free
7
Free
Table 34 - DMA Channels for the OmniBook 5500
0
Free
1
Sound playback
2
Floppy drive
3
Sound record
4
Free
5
Free
6
Free
7
Free