MSI Kt4avl Manual

2-23
Hardware Setup
Optional S-Bracket
SPDIFJack (optical)Analog Line-Out Jacks
Connect to JSP3
SPDIF Jack (coaxial)CEN/SUB   RL/RR 

2-24
 MS-6712 ATX Mainboard
IrDA Infrared Module Header: JIR1
The connector allows you to connect to IrDA Infrared module. You
must configure the setting through the BIOS setup to use the IR function.
JIR1 is compliant with Intel
® Front Panel I/O Connectivity Design Guide.
Pin Signal
1NC
2NC
3 VCC5
4 GND
5 IRTX
6 IRRX
JIR1 Pin Definition
Chassis Intrusion Switch Connector: JCI1
This connector is connected to a 2-pin chassis switch. If the chassis is
opened, the switch will be short. The system will...

2-25
Hardware Setup
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
JCD1
GND
R
L 

2-26
 MS-6712 ATX Mainboard
The motherboard provides the following jumpers for you to set the
computer’s function. This section will explain how to change your
motherboard’s function through the use of jumpers.
Clear CMOS Jumper: JBAT1
There is a CMOS RAM on board that has a power supply from external
battery to keep the data of system configuration.  With the CMOS RAM, the
system can automatically boot OS every time it is turned on.  If you want to
clear the system configuration, use the JBAT1 (Clear...

2-27
Hardware Setup
Slots
AGP (Accelerated Graphics Port) Slot
The AGP slot allows you to insert the AGP graphics card.  AGP is an
interface specification designed for the throughput demands of 3D graphics.
It introduces a 66MHz, 32-bit channel for the graphics controller to directly
access main memory. The mainboard supports 4x/8x 1.5V AGP card.
PCI (Peripheral Component Interconnect) Slots
The PCI slots allow you to insert the expansion cards to meet your needs.
When adding or removing expansion cards,...

2-28
 MS-6712 ATX Mainboard
PCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced I-R-Q, are
hardware lines over which devices can send interrupt signals to the
microprocessor.
The PCI IRQ pins are typically connected to the PCI bus INT A# ~ INT
D# pins as follows:
Order 1 Order 2 Order 3 Order 4
PCI Slot 1 INT A# INT B# INT C# INT D#
PCI Slot 2 INT B# INT C# INT D# INT A#
PCI Slot 3 INT C# INT D# INT A# INT B#
PCI Slot 4 INT D# INT A# INT B# INT C#
PCI Slot 5 INT B# INT...

3-1
BIOS Setup
This chapter provides information on the BIOS Setup program
and allows you to configure  the system for optimum use.
You may need to run the Setup program when:
” An error message appears on the screen during the system
booting up, and requests you to run SETUP.
” You want to change the default settings for customized
features.
BIOS Setup 

3-2
 MS-6712 ATX Mainboard
Entering Setup
Power on the computer and the system will start POST (Power On Self
Test) process.  When the message below appears on the screen, press 
key to enter Setup.
DEL:Setup F11:Boot Menu F12:Network boot TAB:Logo
If the message disappears before you respond and you still wish to enter
Setup, restart the system by turning it OFF and On or pressing the RESET
button.  You may also restart the system by simultaneously pressing ,
, and  keys.
Selecting the First Boot...

3-3
BIOS Setup
Control Keys
Getting Help
After entering the Setup utility, the first screen you see is the Main Menu.
Main Menu
The main menu displays the setup categories the BIOS supplies.  You can use
the arrow keys ( ↑↓ ) to select the item.  The on-line description for the se-
lected setup category is displayed at the bottom of the screen.
Default Settings
The BIOS setup program contains two kinds of default settings: the BIOS
Setup and High Performance defaults.  BIOS Setup defaults provide stable...

3-4
 MS-6712 ATX Mainboard
The Main Menu
Standard CMOS Features
Use this menu for basic system configurations, such as time, date etc.
Advanced BIOS Features
Use this menu to setup the items of AMI
® special enhanced features.
Advanced Chipset Features
Use this menu to change the values in the chipset registers and optimize your
system’s performance.
Power Management Features
Use this menu to specify your settings for power management.
PNP/PCI Configurations
This entry appears if your system supports...