MSI K8n Neo4 Manual

2-17 Hardware SetupHard 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, or 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 Slave mode by setting the
jumper accordingly.
IDE2...

2-18 MS-7125 ATX Mainboard
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
JCD1Serial ATA/Serial ATA RAID Connectors controlled by
nForce4 Ultra: SATA1 / SATA2 / SATA3 / SATA4
The Southbridge of this mainboard is nForce4 Ultra which supports four serial
ATA connectors SATA1~SATA4.
SATA1~SATA4 support 1st
 generation serial ATA data rates of 150MB/s.  Each
Serial ATA connector can connect to 1 serial ATA device.  Please refer to the nVidia
RAID Introduction for detailed software...

2-19 Hardware SetupFront 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
Connectivity Design Guide.Front USB Connectors: JUSB1 / JUSB2 / JUSB3
The mainboard provides three standard USB 2.0 pin headers JUSB1 & JUSB2
& 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...

2-20 MS-7125 ATX MainboardFront 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 Panel I/O Connectivity Design Guide.
JAUD1
12
9 10PINSIGNALDESCRIPTION
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...

2-21 Hardware SetupFoolproof
design Connected to J1394 (the 1394
pinheader in GREEN color)IEEE1394 Bracket (Optional) IEEE 1394 Connectors: J1394_1  (Optional)
The mainboard provides another 1394 pin header that allows you to connect
IEEE 1394 ports via an external IEEE1394 bracket (optional).
Pin Definition
PINSIGNALPINSIGNAL
1TPA+2TPA-
3Ground4Ground
5TPB+6TPB-
7Cable power8Cable power
9Key (no pin)10GroundJ1394_1      1     2   9   10 

2-22 MS-7125 ATX Mainboard
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.PinSignal
1         DBG1 (high for green color)
2         DBR1 (high for red color)
3         DBG2 (high for green color)
4         DBR2 (high for red color)
5         DBG3 (high for green...

2-23 Hardware SetupRedGreenDescription
System Power ON
The D-LED will hang here if the processor is damaged or
not installed properly.
Early Chipset Initialization
Memory Detection Test
Testing onboard memory size. The D-LED will hang if the
memory module is damaged or not installed properly.
Decompressing BIOS image to RAM for fast booting. 1                   2
3                   4
Initializing Keyboard Controller.
Testing VGA BIOS
This will start writing VGA sign-on message to the screen.D-Bracket™ 2...

2-24 MS-7125 ATX MainboardD-Bracket™ 2Description
Processor Initialization
This will show information regarding the processor (like
brand name, system bus, etc...)
Testing RTC (Real Time Clock)
Initializing Video Interface
This will start detecting CPU clock, checking type of video
onboard. Then, detect and initialize the video adapter.
BIOS Sign On
This will start showing information about logo, proces-
sor brand name, etc...
Testing Base and Extended Memory
Testing base memory from 240K to 640K and...

2-25 Hardware SetupThe motherboard provides the following button for you to set the computer’s
function. This section will explain how to change your motherboard’s function through
the use of button.Button
Clear CMOS Button: SW1
There is a CMOS RAM on board that has a power supply from external battery
to keep the system configuration data.  With the CMOS RAM, the system can auto-
matically boot OS every time it is turned on.  If you want to clear the system
configuration, use the SW1 (Clear CMOS Button...

2-26 MS-7125 ATX MainboardSlots
PCI Express Slots
The PCI Express slots,  as a high-bandwidth, low pin count, serial, intercon-
nect technology. You can insert the expansion cards to meet your needs. When
adding or removing expansion cards, make sure that you unplug the power supply
first.
PCI Express architecture provides a high performance I/O infrastructure for
Desktop Platforms with transfer rates starting at 2.5 Giga transfers per second over
a PCI Express x1 lane for Gigabit Ethernet, TV Tuners,...