HP 900 Reference Manual page 88

Configuring the OmniBook
Using BIOS Setup
System Devices Menu
Setting
PS/2 Pointing Devices
Internal Pointing
Devices
External Fn Key
IDE Controller
FDD Controller
Serial Port
Base I/O address
Infrared Port
Mode
Base I/O address
DMA channel
Parallel Port
Mode
Base I/O address
Interrupt
DMA channel
88
Description
Disables the internal pointing devices when an external PS/2
mouse is connected. This is required for the scroll wheel on a
PS/2 mouse to function.
Enables one or both built-in PS/2 devices.
Sets whether left CTRL + left ALT on an external keyboard is
interpreted as the Fn key.
Enables the primary (hard drive) and secondary (optional
CD-ROM drive) controllers.
Enables the floppy drive.
Sets how the serial port is configured by the BIOS (specified
or automatic).
Sets the I/O address and interrupt.
Sets how the infrared port is configured by the BIOS
(specified or automatic).
Sets the hardware to support SIR (Standard IR), ASK IR
(amplitude shift keyed IR), or FIR (Fast IR) infrared
communications. (Driver installation required for
Windows 95.)
Sets the I/O address and interrupt.
For Fast Ir mode, sets the DMA channel.
Sets how parallel port is configured by the BIOS (specified or
automatic).
Sets the port to normal, bidirectional, EPP, or ECP.
Sets the I/O address.
Sets the interrupt.
For ECP mode, sets the DMA channel.
Reference Guide
Default
Auto
Both
Enabled
Both
Enabled
Enabled
3F8h, IRQ4
Disabled
SIR
2F8h, IRQ3
DMA3
Enabled
ECP
378h
IRQ7
DMA3