MSI Ms6728 Ver 1 Manual

2-19
Hardware Setup
ATA100 Hard Disk Connectors: IDE1 & IDE2
The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 66/100
controller that provides PIO mode 0~4, Bus Master, and Ultra DMA 66/100
function. You can connect up to four hard disk drives, CD-ROM and other IDE
devices.
The Ultra ATA100  interface boosts data transfer rates between the
computer and the hard drive up to 100 megabytes (MB) per second. The new
interface is one-third faster than earlier record-breaking Ultra ATA/100
technology...

2-20
MS-6728 ATX Mainboard
Serial ATA /Serial ATA RAID Connectors controlled by VIA
VT6420: IDE3, SATA3 & SATA4 (Optional)
The brand new VIA VT6420 chipset supports  one IDE connector IDE3
and two serial connectors SATA3 & SATA4.
IDE3 is a 32-bit Enhanced PCI IDE and Ultra DMA 66/100/133 controller
that provides PIO mode 0~6, Bus Master, and Ultra DMA 66/100/133 function.
You can connect up to 2 hard disk drives---one IDE master and one IDE slave.
STAT3 & SATA4 are dual high-speed Serial ATA interface...

2-21
Hardware Setup
MSI Reminds You...
Please do not fold the serial ATA cable in a 90-degree angle, for
this might cause the loss of data during the transmission.
PIN SIGNAL PIN SIGNAL
1 GND 2 TXP
3 TXN 4 GND
5 RXN 6 RXP
7 GND
SATA1~  SATA4 Pin Definition
Connect to serial ATA ports
Take out the dust cover and
connect to the hard disk
devicesOptional Serial ATA cable 

2-22
MS-6728 ATX Mainboard
How to attach the IEEE 1394 Port:
1394 Port
IEEE 1394 Connectors: J1394_1, J1394_2 (Optional)
The mainboard provides two 1394 pin headers that allow you to con-
nect optional IEEE 1394 ports.
J1394_1, J1394_2
J1394 Pin Definition
PIN   SIGNAL              PIN SIGNAL
1   TPA+                2 TPA-
3   Ground                4Ground
5   TPB+                6 TPB-
7  Cable power                 8 Cable power
9   Key (no pin)               10Ground
   9
    2
  10   1
IEEE1394...

2-23
Hardware Setup
D-Bracket™ 2 Connector: JDB1
The mainboard comes with a JDB1 connector for you to connect to D-
Bracket™ 2. D-Bracket™ 2 is a USB Bracket that supports both USB1.1 & 2.0
spec. It integrates four LEDs and allows users to identify system problem
through 16 various combinations of LED signals. For definitions of 16 signal
combinations, please refer to D-Bracket™  2 at P.1-10 in Chapter 1.
Pin Signal
1         DBG1 (high for green color)
2         DBR1 (high for red color)
3         DBG2...

2-24
MS-6728 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.
JIR1
65
2 1
Pin Signal
1NC
2NC
3 VCC5
4 GND
5 IRTX
6 IRRX
JIR1 Pin Definition
Front Panel Audio Connector: JAUD1
The JAUD1 front panel audio connector allows you to connect to the
front panel audio and is compliant with Intel® Front...

2-25
Hardware Setup
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 record this status and show
a warning message on the screen. To clear the warning, you must enter the
BIOS utility and clear the record.
JCI1
2
1 GND
CINTRU
Front USB Connectors: JUSB1 & JUSB2
The mainboard provides two USB 2.0 pin headers JUSB1 & JUSB2
(Optional) that are compliant with Intel® I/O Connectivity Design...

2-26
MS-6728 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 CMOS...

2-27
Hardware Setup
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:
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...

3-1
BIOS Setup
Chapter 3. 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 you are requested to run SETUP.
” You want to change the default settings for customized
features.
BIOS Setup