MSI Kt4avl Manual

3-25
BIOS Setup
IR Pin Select
Set to IRRX/IRTX when using an internal IR module connected to the IR
header.  Set to SINB/SOUTB. when connecting an IR adapter to COM B.
Parallel Port
This field specifies the base I/O port address of the onboard parallel port.
Selecting Auto allows AMIBIOS to automatically determine the correct base
I/O port address.  Settings: Auto, 378, 278, Disabled.
Port Mode
This item selects the operation mode for the onboard parallel port: ECP,
Normal, Bi-Dir or EPP.
EPP Version
The...

3-26
 MS-6712 ATX Mainboard
AC’97 Audio
Auto allows the mainboard to detect whether an audio device is used.  If an
audio device is detected, the onboard AC’97 (Audio Codec’97) controller
will be enabled; if not, it is disabled.  Disable the controller if you want to use
other controller cards to connect an audio device.  Settings: Auto, Disabled.
MC’97 Modem
Auto allows the mainboard to detect whether a modem is used.  If a modem is
detected, the onboard AC’97 modem controller will be enabled; if not,...

3-27
BIOS Setup
PC Health Status
This section shows the status of your CPU, fan, overall system status, etc.
Monitor function is available only if there is hardware monitoring mechanism
onboard.
Chassis Intrusion
The field enables or disables the feature of recording the chassis intrusion
status and issuing a warning message if the chassis is once opened.  To clear
the warning message, set the field to Reset.  The setting of the field will auto-
matically return to Enabled later.  Settings: Enabled,...

3-28
 MS-6712 ATX Mainboard
Use this menu to specify your settings for frequency/voltage control.
Spread Spectrum
When the motherboard’s clock generator pulses, the extreme values (spikes)
of the pulses creates EMI (Electromagnetic Interference).  The Spread Spec-
trum function reduces the EMI generated by modulating the pulses so that the
spikes of the pulses are reduced to flatter curves.  If you do not have any EMI
problem, leave the setting at Disabled for optimal system stability and
performance....

3-29
BIOS Setup
MSI Reminds You...
Changing CPU Ratio/Vcore could result in the instability of the
system; therefore, it is NOT recommended to change the default
setting for long-term usage.
DDR Voltage (V)
Adjusting the DDR voltage can increase the DDR speed.  Any changes made
to this setting may cause a stability issue, so changing the DDR voltage for
long-term purpose is NOT recommended.
Termination Vol (V)
The settings are used to adjust the termination voltage. Setting options:
Auto, 1.27, 1.29.
AGP...

3-30
 MS-6712 ATX Mainboard
Set Supervisor/User Password
When you select this function, a message as below will appear on the screen:
Type the password, up to six characters in length, and press . The
password typed now will replace any previously set password from CMOS
memory. You will be prompted to confirm the password. Retype the pass-
word and press . You may also press  to abort the selection and
not enter a password.
To clear a set password, just press  when you are prompted to enter
the password....

3-31
BIOS Setup
Load High Performance/BIOS Setup Defaults
The two options on the main menu allow users to restore all of the BIOS
settings to High Performance defaults or BIOS Setup defaults. The High Per-
formance Defaults are the values set by the mainboard manufacturer for the
best system performance but probably will cause a stability issue. The BIOS
Setup Defaults are the default values also set by the mainboard manufacturer
for stable performance of the mainboard.
When you select Load High...

A-1
Using 4- or 6-Channel Audio Function
Appendix: Using 4- or 6-Channel Audio
Function
The motherboard is equipped with Realtek ALC650 chip, which pro-
vides support for  6-channel audio output, including 2 Front, 2 Rear, 1 Center
and 1 Subwoofer channel.  ALC650 allows the board to attach 4 or 6 speakers
for better surround sound effect.  The section will tell you how to install and
use 4-/6-channel audio function on the board.
TOPICS
Installing the Audio Driver A-2
Using 4-/6-Channel Audio Function...

A-2
 MS-6712 ATX Mainboard
Installing the Audio Driver
You need to install the driver for Realtek ALC650 chip to function properly
before you can get access to 4-/6-channel audio operations.  Follow the pro-
cedures described below to install the drivers for different operating systems.
Installation for Windows 98SE/ME/2000/XP
For Windows® 2000, you must install Windows® 2000 Service Pack2 or
later before installing the driver.
The following illustrations are based on Windows
® XP environment and
could...

A-3
Using 4- or 6-Channel Audio Function
3.Click Next to start installing files into the system.
4.Click Finish to restart the system.
Click here
Click here
Select this
option