MSI 945p Neo2 H Manual

							
2-16  
MS-7176 ATX Mainboard
Serial ATAII Connectors controlled by Intel ICH7/ICH7R:
SATA1~SATA4 The SouthBridge of this mainboard is Intel ICH7/ICH7R which supports four
serial ATA connectors SATA1~SATA4. SATA1~SATA4 are dual high-speed Serial ATAII interface ports. Each supports
Serial ATAII data rates of 300MB/s. Both connectors are fully compliant with Serial
ATA 1.0 and 2.0 specifications. Each Serial ATA connector can connect to 1 hard disk
device.
PINSIGNAL PINSIGNAL
1 GND 2TXP
3 TXN 4GND
5 RXN 6RXP
7 GND SATA1~  SATA4 Pin Definition
MSI Reminds You...
Please do not fold the serial ATA cable in a 90-degree angle, since
this might cause the loss of data during the transmission.Connect to serial ATA ports Take out the dust cover and
connect to the hard disk
devices
Serial ATA cable SATA4
SATA3 1 7
SATA2
SATA1 
						

							2-17 Hardware SetupCD-In Connector: JCD1
The connector is for CD-ROM audio connector.
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
Connectivity Design Guide.
1
2PINSIGNALDESCRIPTION
1HD_LED_PHard disk LED pull-up
2FP PWR/SLPMSG LED pull-up
3HD_LED_NHard disk active LED
4FP PWR/SLPMSG LED pull-up
5RST_SW_NReset Switch low reference pull-down to GND
6PWR_SW_PPower Switch high reference pull-up
7RST_SW_PReset Switch high reference pull-up
8PWR_SW_NPower Switch low reference pull-down to GND
9RSVD_DNUReserved. Do not use.  JFP1 Pin DefinitionPINSIGNALPINSIGNAL
1GND2SPK-
3SLED4BUZ+
5PLED6BUZ-
7NC8SPK+JFP2 Pin DefinitionJFP19
10Power
 LED  Power
Switch Reset
SwitchHDD
LED
7
8Power
LED
Speaker1
2 JFP2JCD1GNDR L 
						

							2-18 MS-7176 ATX MainboardFront Panel Audio Connector: JAUD1
The F_AUDIO 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. Front USB Connectors: JUSB1 / JUSB2
The mainboard provides two standard USB 2.0 pin headers JUSB4, 5 / JUSB6,
7. 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.
JUSB1 / JUSB2
(USB 2.0/standard  spec)PINSIGNALPINSIGNAL
1VCC2VCC
3USB0-4USB1-
5USB0+6USB1+
7GND8GND
9Key10USBOCJUSB1 / JUSB2 Pin Definition
PINSIGNALDESCRIPTION
1PORT 1LAnalog Port 1 - Left channel
2GNDGround
3PORT 1RAnalog Port 1 - Right channel
4PRESENCE#Active low signal - signals BIOS that a High Definition Audio
dongle is connected to the analog header. PRESENCE# = 0
when a High Definition Audio dongle is connected.
5PORT 2RAnalog Port 2 - Right channel
6SENSE1_RETIRNJack detection return from front panel JACK1
7SENSE_SENDJack detection sense line from the High Definition Audio CODEC
jack detection resistor network
8KEYConnector Key
9PORT 2LAnalog Port 2 - Left channel
10SENSE2_RETIRNJack detection return from front panel JACK2 JAUD1 Pin DefinitionMSI Reminds You...
Note that the pins of VCC and GND must be connected correctly, or it
may cause some damage.     1    9
    2   10
JAUD1 1
2 9
10 
						

							2-19 Hardware SetupIrDA Infrared Module Header: JIR1
The connector allows you to connect to IrDA Infrared module. You must con-
figure the setting through the BIOS setup to use the IR function. JIR1 is compliant with
Intel®
 Front Panel I/O Connectivity Design Guide.PinSignal
1NC
2NC
3VCC5
4GND
5IRTX
6IRRX Pin  Definition
JIR1
65
21Serial Port Connector: JCOM1
The mainboard offers one 9-pin male DIN connector COM 1 (on the rear panel), and
one optional serial port JCOM1. Both are 16550A high speed communication ports
that send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial
device directly to them.
JCOM1109
21PINSIGNALDESCRIPTION
1DCDData Carry Detect
2SINSerial in or receive data
3SOUTReceive Data Transmit
4DTRSerial out or transmit data
5GNDData
6DSRData Set Ready
7RTSRequest To Send Ring
8CTSClear To Send
9RIIndicate
10XX Pin  Definition 
						

							2-20 MS-7176 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 combina-
tions 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 color)
6         DBR3 (high for red color)
7         DBG4 (high for green color)
8         DBR4 (high for red color)
9         Key
10       NCPin Definition
JDB1     1
   9
    2
  10D-Bracket™ 2
(Optional)
Connected to JUSB1
(the USB pinheader in YELLOW color) Connected to JDB1LEDsD-Bracket™ 2 is an external USB bracket integrating four Diagnostic LEDs,
which use graphic signal display to help users understand their system. The LEDs
provide up to 16 combinations of signals to debug the system. The 4 LEDs can debug
all problems that fail the system, such as VGA, RAM or other failures. This special
feature is very useful for the overclocking users. These users can use the feature to
detect if there are any problems or failures.
D-Bracket™ 2 supports both USB 1.1 & 2.0 specification.D-Bracket™ 21        2
3        4 
						

							2-21 Hardware SetupDescription
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. 1                   2
3                   4D-Bracket™ 2Decompressing BIOS image to RAM for fast booting.
Initializing Keyboard Controller.
Testing VGA BIOS
This will start writing VGA sign-on message to the screen.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... 
						

							2-22 MS-7176 ATX MainboardTesting Base and Extended Memory
Testing base memory from 240K to 640K and extended
memory above 1MB using various patterns.
Assign Resources to all ISA.
Initializing Hard Drive Controller
This will initialize IDE drive and controller.D-Bracket™ 2DescriptionInitializing Floppy Drive Controller
This will initialize Floppy Drive and controller.
Boot Attempt
This will set low stack and boot via INT 19h.
Operating System BootingJLPC1 Pin Definition
PINSIGNALPINSIGNAL
1LCLK2Key (no pin)
3LRST#4VCC3
5LAD06FID0_LRST
7LAD18VCC5
9LAD210Key (no pin)
11LAD312GND
13LFRAME#14GNDJLPC113142 1FWH/LPC Debugging Pin Header: JLPC1
The pin header is for internal debugging only. 
						

							2-23 Hardware SetupThe 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 system configuration data. With the CMOS RAM, the system can automati-
cally boot OS every time it is turned on. If you want to clear the system configuration,
use the JBAT1 (Clear CMOS) Jumper to clear data. Follow the instructions below to
clear the data:JumpersMSI Reminds You...
You can clear CMOS by shorting 2-3 pin while the system is off.
Then return to 1-2 pin position. Avoid clearing the CMOS while the
system is on; it will damage the mainboard.JBAT11Keep Data1
3Clear Data 1
3Chassis 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.
JCI12
1 GND
CINTRU 
						

							2-24 MS-7176 ATX MainboardSlots
PCI Express Slots (optional)
The PCI Express slots,  as a high-bandwidth, low pin count, serial, intercon-
nect technology, support Intel highest performance desktop platforms utilizing the
Intel Pentium 4 processor with HT Technology.
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, 1394 controllers, and general
purpose I/O. Also, desktop platforms with PCI Express Architecture will be designed
to deliver highest performance in video, graphics, multimedia and other sophisticated
applications. Moreover, PCI Express architecture provides a high performance graphics
infrastructure for Desktop Platforms doubling the capability of existing AGP 8x de-
signs with transfer rates of 4.0 GB/s over a PCI Express x16 lane for graphics
controllers.
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.The mainboard provides a PCI Express x16 slot, a PCI Express x1 slot and four
32-bit PCI bus slots.
PCI Express x16 slotPCI Express x1 slot 
						

							2-25 Hardware SetupPCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hard-
ware 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 1Order 2Order 3Order 4
PCI Slot 1INT A#INT B#INT C#INT D#
PCI Slot 2INT B#INT C#INT D#INT A#
PCI Slot 3INT C#INT D#INT A#INT B#
PCI Slot 4INT D#INT A#INT B#INT C# PCI SlotsPCI (Peripheral Component Interconnect) Slots
The PCI slots allow you to insert the expansion cards to meet your needs.
When adding or removing expansion cards, make sure that you unplug the power
supply first. Meanwhile, read the documentation for the expansion card to make any
necessary hardware or software settings for the expansion card, such as jumpers,
switches or BIOS configuration.