HP OmniBook 900 HP OmniBook 900 Reference Guide - Page 88

System Devices Menu

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Configuring the OmniBook Using BIOS Setup System Devices Menu Setting Description PS/2 Pointing Devices Internal Pointing Devices External Fn Key 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. 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. Default Auto Both Enabled Both Enabled Enabled 3F8h, IRQ4 Disabled SIR 2F8h, IRQ3 DMA3 Enabled ECP 378h IRQ7 DMA3 88 Reference Guide

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Configuring the OmniBook
Using BIOS Setup
88
Reference Guide
System Devices Menu
Setting
Description
Default
PS/2 Pointing Devices
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.
Auto
Internal Pointing
Devices
Enables one or both built-in PS/2 devices.
Both
External Fn Key
Sets whether left CTRL + left ALT on an external keyboard is
interpreted as the Fn key.
Enabled
IDE Controller
Enables the primary (hard drive) and secondary (optional
CD-ROM drive) controllers.
Both
FDD Controller
Enables the floppy drive.
Enabled
Serial Port
Sets how the serial port is configured by the BIOS (specified
or automatic).
Enabled
Base I/O address
Sets the I/O address and interrupt.
3F8h, IRQ4
Infrared Port
Sets how the infrared port is configured by the BIOS
(specified or automatic).
Disabled
Mode
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.)
SIR
Base I/O address
Sets the I/O address and interrupt.
2F8h, IRQ3
DMA channel
For Fast Ir mode, sets the DMA channel.
DMA3
Parallel Port
Sets how parallel port is configured by the BIOS (specified or
automatic).
Enabled
Mode
Sets the port to normal, bidirectional, EPP, or ECP.
ECP
Base I/O address
Sets the I/O address.
378h
Interrupt
Sets the interrupt.
IRQ7
DMA channel
For ECP mode, sets the DMA channel.
DMA3