Dma Channels; Table 32 - System I/O Addresses For The Omnibook 5500; Table 33 - Dma Channels For The Omnibook 2000 And 5700; Table 34 - Dma Channels For The Omnibook 5500 - HP OMNIBOOK 5500 Service Manual

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
99