MSI K9a2 Cff Manual

2-8MS-7388 MainboardPower Supply
PINSIGNAL
13+3.3V
14-12V
15GND
16PS-ON#
17GND
18GND
19GND
20Res
21+5V
22+5V
23+5V
24GNDPINSIGNAL
 1+3.3V
 2+3.3V
 3GND
 4+5V
 5GND
 6+5V
 7GND
 8PWR OK
 95VSB
10+12V
11+12V
12+3.3V Pin Definitionpin 12pin 13
ATXPWR1 ATX 24-Pin Power Connector: ATXPWR1
This connector allows you to connect an ATX 24-pin power supply.
To connect the ATX 24-pin power supply, make sure the plug of the
power supply is inserted in the proper orientation and the pins are
aligned. Then push down...

2-9Hardware SetupBack Panel Mouse/Keyboard
The standard PS/2®
 mouse/keyboard DIN connector is for a PS/2®
 mouse/keyboard. IEEE 1394 Port (optional)
The 1394 port on the back panel provides connection to 1394 devices. Serial Port
The serial port is a 16550A high speed communications port that sends/ receives 16
bytes FIFOs. You can attach a serial mouse or other serial devices directly to the
connector. USB Port
The USB (Universal Serial Bus) port is for attaching USB devices such as keyboard,
mouse, or...

2-10MS-7388 Mainboard eSATA Port (optional)
The eSATA port is for attaching the eSATA external hard drive. Audio Ports
These audio connectors are used for audio devices. You can differentiate the color
of the audio jacks for different audio sound effects.  Line-In (Blue) - Line In,  is used for external CD player, tapeplayer or other
                                        audio devices.  Line-Out (Green) - Line Out, is a connector for speakers or headphones.  Mic (Pink) - Mic, is a connector for...

2-11Hardware SetupConnectors
Floppy Disk Drive Connector: FDD1
This connector supports 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB floppy disk drive.
IDE Connector: IDE1
This connector supports IDE hard disk drives, optical disk drives and other IDE devices.Important
If you install two IDE devices on the same cable, you must configure the
drives separately to master / slave mode by setting jumpers. Refer to IDE
device’s documentation supplied by the vendors for jumper setting
instructions.IDE1FDD1 

2-12MS-7388 Mainboard
Serial ATA Connector: SATA1/ SATA2/ SATA3/ SATA4
This connector is a high-speed Serial ATA interface port. Each connector can con-
nect to one Serial ATA device.Important
Please do not fold the Serial ATA cable into 90-degree angle. Otherwise,
data loss may occur during transmission.SATA1
SATA2
SATA4 SATA3 

2-13Hardware Setup
Fan Power Connectors: CPUFAN1, SYSFAN1, SYSFAN2
The fan power connectors support system cooling fan with +12V. When connecting
the wire to the connectors, always note that the red wire is the positive and should
be connected to the +12V; the black wire is Ground and should be connected to GND.
If the mainboard has a System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of the CPU fan control.Important
1.Please refer to the...

2-14MS-7388 Mainboard
Front Panel Audio Connector: JAUD1
This connector allows you to connect the front panel audio and is compliant with
Intel®
 Front Panel I/O Connectivity Design Guide.
PINSIGNALDESCRIPTION
1AUD_MICFront panel microphone input signal
2AUD_GNDGround used by analog audio circuits
3AUD_MIC_BIASMicrophone power
4AUD_VCCFiltered +5V used by analog audio circuits
5AUD_FPOUT_RRight channel audio signal to front panel
6AUD_RET_RRight channel audio signal return from front panel
7HP_ONReserved...

2-15Hardware Setup
Front USB Connector: JUSB1 / JUSB2 / JUSB3
This connector, compliant with Intel®
 I/O Connectivity Design Guide, is ideal for con-
necting high-speed USB interface peripherals such as USB HDD, digital cameras,
MP3 players, printers, modems and the like.
PINSIGNALPINSIGNAL
1VCC2VCC
3USB0-4USB1-
5USB0+6USB1+
7GND8GND
9Key (no pin)10USBOCPin DefinitionImportant
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.USB 2.0 Bracket
(Optional)     1
   9...

2-16MS-7388 Mainboard
PINSIGNALDESCRIPTION
1HD_LED +Hard disk LED pull-up
2FP PWR/SLPMSG LED pull-up
3HD_LED -Hard disk active LED
4FP PWR/SLPMSG LED pull-up
5RST_SW -Reset Switch low reference pull-down to GND
6PWR_SW +Power Switch high reference pull-up
7RST_SW +Reset Switch high reference pull-up
8PWR_SW -Power Switch low reference pull-down to GND
9RSVD_DNUReserved. Do not use. JFP1 Pin DefinitionFront Panel Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel...

2-17Hardware Setup
IEEE1394 Connector: J1394_1  (Optional)
This connector allows you to connect the IEEE1394 device via an optional IEEE1394
bracket.
Pin Definition
PINSIGNALPINSIGNAL
1TPA+2TPA-
3Ground4Ground
5TPB+6TPB-
7Cable power8Cable power
9Key (no pin)10GroundJ1394_1     1
   9
    2   10IEEE1394 Bracket (Optional)S/PDIF-Out Connector: JSPD1 (Optional, for HDMI graphics card
only)
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio...