MSI Km4mv Manual

2-11 Hardware Setup
Keyboard Connector
The mainboard provides a standard PS/2® keyboard mini DIN connector for attaching
a PS/2® keyboard.  You can plug a PS/2® keyboard directly into this connector.
PIN SIGNALDESCRIPTION
1 Keyboard  DATA Keyboard  DATA
2 N C No connection
3 GND Ground
4 VCC +5V
5 Keyboard Clock Keyboard clock
6 N C No connection
 Pin Definition
PS/2 Keyboard (6-pin Female)
213
45 6
USB Connectors
The mainboard provides a UHCI (Universal Host Controller Interface) Universal Serial
Bus...

2-12
 MS-6734 M-ATX Mainboard
IEEE1394 Port (Optional)
The back panel provides one standard IEEE 1394 port. The standard IEEE1394 port
connects to IEEE1394 devices without external power. The IEEE1394 high-speed
serial bus complements USB by providing enhanced PC connectivity for a wide range
of devices, including consumer electronics audio/video (A/V) appliances, storage
peripherals, other PCs, and portable devices.
IEEE1394 Port
Serial Port Connector: COM 1
The mainboard offers one 9-pin male DIN...

2-13 Hardware Setup
RJ-45 LAN Jack (Optional)
The mainboard provides a RJ-45 connector that allows your computer to be con-
nected to a network environment.
LAN Jack
  (RJ-45)
Activity
Indicators
Pin      Signal       Description
    1 TDP   Transmit differential pair
    2 TDN   Transmit differential pair
    3 RDP   Receive differential pair
    4 N C   Not used
    5 N C   Not used
    6 R D N   Receive differential pair
    7 N C   Not used
    8 N C   Not used
Audio Port Connectors
Line Out is a...

2-14
 MS-6734 M-ATX Mainboard
Parallel Port Connector: LPT1
The mainboard provides a 25-pin female centronic connector as LPT.  A parallel port
is a standard printer port that supports Enhanced Parallel Port (EPP) and Extended
Capabilities Parallel Port (ECP) mode.
13 1
14
25
PIN SIGNALDESCRIPTION
1 STROBEStrobe
2 DATA0 Data0
3 DATA1 Data1
4 DATA2 Data2
5 DATA3 Data3
6 DATA4 Data4
7 DATA5 Data5
8 DATA6 Data6
9 DATA7 Data7
10 ACK#Acknowledge
11 BUSYBusy
12 PE Paper End
13 SELECT Select
14 AUTO...

2-15 Hardware Setup
The mainboard provides connectors to connect to FDD, IDE HDD, case, LAN, USB
Ports and CPU/System FAN.
Floppy Disk Drive Connector: FDD1
The mainboard provides a standard floppy disk drive connector that supports 360K,
720K, 1.2M, 1.44M and 2.88M floppy disk types.
Connectors
FDD1
Fan Power Connectors: CPUFA1/SYSFA1
The CPUFA1 (processor fan) and SYSFA1 (system fan) support system cooling fan
with +12V. It supports three-pin head connector. When connecting the wire to the
connectors,...

2-16
 MS-6734 M-ATX Mainboard
Hard Disk Connectors: IDE1 & IDE2
The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 33/66/100/133 controller
that provides PIO mode 0~4, Bus Master, and Ultra DMA 33/66/100/133 function. You
can connect up to four hard disk drives, CD-ROM, 120MB Floppy (reserved for future
BIOS) and other devices.
IDE1 (Primary IDE Connector)
The first hard drive should always be connected to IDE1. IDE1 can connect a
Master and a Slave drive. You must configure second hard drive to...

2-17 Hardware Setup
Serial ATA Connectors controlled by VT8237: SATA1 & SATA2 (for
KM4AM only)
The Southbridge of the KM4AM mainboard is VIA VT8237 which supports two serial
connectors SATA1& SATA2.
SATA1 & SATA2 are dual high-speed Serial ATA interface ports. Each supports 1
st
generation serial ATA data rates of 150 MB/s. Both connectors are fully compliant
with Serial ATA 1.0 specifications. Each Serial ATA connector can connect to 1 hard
disk device.
71
SATA2 SATA1
MSI Reminds You...
Please do not...

2-18
 MS-6734 M-ATX Mainboard
Front Panel Connectors: JFP1 & JFP2
The mainboard provides two front panel connectors for electrical connection to the
front panel switches and LEDs. JFP1 is compliant with Intel® Front Panel I/O Connec-
tivity Design Guide.
PIN SIGNALDESCRIPTION
1 HD_LED_PHard disk LED pull-up
2 FP PWR/SLPMSG LED pull-up
3 HD_LED_NHard disk active LED
4 FP PWR/SLPMSG LED pull-up
5 RST_SW_NReset Switch low reference pull-down to GND
6 PWR_SW_PPower Switch high reference pull-up
7...

2-19 Hardware Setup
Front USB Connectors: JUSB2 & JUSB3 (JUSB3 is optional)
The mainboard provides one standard USB 2.0 pin headers JUSB2 and one optional
standard JUSB3. USB 2.0 technology increases data transfer rate up to a maximum
throughput of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for
connecting high-speed USB interface peripherals such as USB HDD, digital cameras,
MP3 players, printers, modems and the like.
PIN SIGNAL PIN SIGNAL
1 VCC 2 VCC
3 USB0- 4 USB1-
5 USB0+ 6 USB1+
7...

2-20
 MS-6734 M-ATX Mainboard
IEEE 1394 Connectors: J1394_1 & J1394_2 (Optional)
The mainboard provides one or two optional 1394 pin headers J1394_1 and J1394_2
that allow you to connect optional IEEE 1394 ports.
Pin Definition
PIN SIGNAL PIN SIGNAL
1TPA+ 2 TPA-
3 Ground 4 Ground
5 TPB+ 6 TPB-
7 Cable power 8 Cable power
9 Key (no pin) 10 Ground
J1394_1 / J1394_2 (Optional)
     1
   9
    2   10
IEEE1394 Bracket (Optional)
Foolproof Design