HP OmniBook Sojourn User Manual page 113

Valid uses for memory addresses CC000-DFFFF:
• Upper memory blocks (UMBs).
• PC Card memory windows.
System Input/Output Addresses (100-3FF)
OmniBook only
170-177 Secondary HDD controller
1F0-1F7 Internal hard disk
20-20 Joystick
220-22F ESS1879
376 Secondary HDD controller (internal CD-ROM)
378-37F Free
388-38B Sound
3B0-3BB VGA adapter
3C0-3DF VGA adapter
3E0-3E1 PCMCIA controller
3F0-3F5 Floppy controller
3F6 Primary HDD controller
3F7 Floppy controller
3F8-3FF Free
DMA Channels
OmniBook only
0 Free
1 ESS1879
2 Floppy drive
3 ESS1879
4 DMA controller
5 Free
6 Free
7 Free
Specifications and Regulatory Information
Software System Resources
OmniBook with Expansion Slice
Secondary HDD controller (CD-ROM)
Internal hard disk
Joystick
ESS1879
Secondary HDD controller (CD-ROM)
Free
Sound
VGA adapter
VGA adapter
PCMCIA controller
Floppy controller
Primary HDD controller
Floppy controller
COM1
OmniBook with Expansion Slice
Free
ESS1879
Floppy drive
ESS1879
DMA controller
Free
Free
Free
7-5