HP Pavilion N6xxx Reference Manual page 80

Configuring and Expanding Your Computer
Using the BIOS Setup Utility
System Devices Menu
Setting
PS/2 Pointing Devices
External Fn Key
IDE Controller
FDD Controller
Serial port
Base I/O address
IrDA port
Mode
Base I/O address
DMA channel
Parallel Port
Mode
Base I/O address
Interrupt
DMA channel
80
Description
Disables the internal pointing devices when an external PS/2
mouse is connected.
Sets whether left CTRL+left ALT on an external keyboard is
interpreted as the Fn key.
Enables the primary (hard drive) and secondary (module bay
device) controllers.
Enables the floppy drive.
Sets whether the serial port is active, and whether it is
configured automatically or by the user.
Sets the I/O address and interrupt.
Sets whether the infrared port is active, and whether it is
configured automatically or by the user.
Sets the hardware to support FIR (Fast IR) or SIR (Standard
IR) infrared communications. (Driver installation required for
Windows 95.)
Sets the I/O address and interrupt.
Sets the DMA channel for Fast IR (FIR) mode.
Sets whether the parallel port is configured by the user or the
BIOS or OS (automatically), or not at all.
Sets the port to output only, bi-directional, EPP, or ECP.
Sets the I/O address.
Sets the interrupt.
Sets the DMA channel for ECP mode.
Reference Guide
Default
Auto
Enabled
Both
Enabled
Enabled
3F8h, IRQ4
Disabled
FIR
2F8h, IRQ3
DMA0
Enabled
ECP
378h
IRQ7
DMA3