Chapter 3 BIOS Setup
34
User’s Manual
AC97 Audio:
This option sets the AC97 Audio. The settings are Auto and Disabled.
Onboard Lan Boot ROM:
Unless you intend to boot using PXE Enabled/Disabled.
Onboard FDD Controller:
Select Enabled if your system has a floppy disk controller (FDD) installed on the
system board and you want to use it. If you install add-in FDD or the system has no floppy drive, select
Disabled in this field. The settings are Enabled and Disabled.
Onboard Serial Port 1 / Port 2:
Select an address and corresponding interrupt for the first and second
serial ports. The settings are 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3, Disabled, Auto.
UART 2 Mode Select:
This item allows you to select which mode for the Onboard Serial Port 2. The settings
are Normal, HPSIR, and ASKIR.
UART 2 Duplex Mode:
This item allows you to select the is half/full duplex function. The default setting is
Half
Onboard Parallel Port:
This item allows you to determine onboard parallel port controller I/O address
setting. The settings are Disabled, 3BC/IRD7, 378/IRQ7, and 278/IRQ5.
Onboard Parallel Mode:
There are four options
SPP
(default),
EPP
,
ECP
and
ECP/EPP
. Change the mode
from
Normal
to the enhanced mode only if your peripheral device can support it. When it is set to ECP mode,
the printer port always uses DMA3.
ECP Mode Use DMA:
Select a DMA channel for the parallel port for use during ECP mode. The settings are
3
and
1
.
Parallel Port EPP Type:
Select EPP port type 1.7 or 1.9.
Onboard Serial Port 3:
The choices: Disabled (Default), 3F8H, 2F8H, 3E8H, and 2E8H.
Serial Port 3 Use IRQ:
The choices: IRQ10, IRQ11, IRQ4, IRQ3.
Onboard Serial Port 4:
The choices: Disabled (Default), 3F8H, 2F8H, 3E8H, and 2E8H.
Serial Port 4 Use IRQ:
The choices: IRQ10, IRQ11, IRQ4, IRQ3.
Onboard Parallel Port 2:
The choices: Disabled (Default),378H, and 278H.
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