MSI 945gm2 H Manual

2-15 Hardware SetupHard Disk Connector: IDE1
The mainboard has 32-bit Ultra DMA 66/100 IDE controllers integrated in  the
chips Intel ICH7/ ICH7R, which supports PIO & Bus Master operation modes and it can
connect two Ultra ATA drives.
IDE1
The IDE1 can connect a Master and a Slave drive. You must configure second hard
drive to Slave mode by setting the jumper accordingly.MSI Reminds You...
If you install two hard disks on cable, you must configure the second
drive to Slave mode by setting its jumper....

2-16MS-7210 Micro-ATX Mainboard
Serial ATA 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 ATA interface ports. Each supports
2nd
 generation serial ATA data tranfer rates of 3 Gb/s. They are fully compliant with
Serial ATA 1.0 specifications. Each Serial ATA connector can connect to 1 hard disk
device.
PINSIGNALPINSIGNAL
1GND2TXP
3TXN4GND
5RXN6RXP...

2-17 Hardware SetupJCD1CD-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.
PINSIGNALDESCRIPTION
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...

2-18MS-7210 Micro-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. Front USB Connectors: JUSB1 / JUSB2
The mainboard provides two standard USB 2.0 pin headers JUSB1/ JUSB2.
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...

2-19 Hardware SetupIEEE 1394 Connector: J1394_1 (Optional)
The mainboard provides one 1394 pin header that allow you to connect
optional IEEE 1394 port.
J1394_1Pin Definition
PIN  SIGNAL             PINSIGNAL
1  TPA+              2TPA-
3  Ground              4Ground
5  TPB+              6TPB-
7 Cable power               8Cable power
9  Key (no pin)             10GroundHow to attach the IEEE 1394 Port:Foolproof
design Connected to J1394_1 (Green connector)IEEE1394 Bracket (Optional)      1
    2
  10 

2-20MS-7210 Micro-ATX Mainboard
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.
JCI12
1 GND
CINTRUWake On LAN Connector: JWOL1
This connector allows you to connect to a LAN card with Wake On LAN
function. You can wake up the computer via remote control...

2-21 Hardware SetupThe motherboard provides the following jumper 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...

2-22MS-7210 Micro-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,...

2-23 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 SlotsPCI (Peripheral Component Interconnect) Slots
The PCI slots allow you to insert the expansion cards to meet...

3-1 BIOS SetupChapter 3. BIOS SetupThis 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:
² An error message appears on the screen during the system boot-
ing up, and requests you to run SETUP.
² You want to change the default settings for customized features.BIOS SetupMSI Reminds You...
1. The items under each BIOS category described in this chapter are
under continuous update for better system...