Configuring the OmniBook

Using BIOS Setup

System Devices Menu

Setting

PS/2 Pointing Devices

Internal Pointing

Devices

External Fn Key

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.

Default

Auto

Both

Enabled

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

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.

Both

Enabled

Enabled

3F8h, IRQ4

Disabled

SIR

2F8h, IRQ3

DMA3

Enabled

ECP

378h

IRQ7

DMA3

88 Reference Guide

Page 88
Image 88
HP 900 manual System Devices Menu