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iX945GME3

Contents

Safety Information

..........................................................................................................4

Technical Support

............................................................................................................5

Conventions Used in This Guide

....................................................................................5

Packing List

.......................................................................................................................6

Revision History

...............................................................................................................7

Specifications Summary

..................................................................................................8

Block Diagram

.................................................................................................................11

Production Introduction

...............................................................................................13

1.1

Before you Proceed

................................................................................................13

1.2

Motherboard Overview

............................................................................................14

1.2.1

Placement Direction ....................................................................................................................... 14

1.2.2

Screw Holes ................................................................................................................................... 14

1.3

Motherboard Layout

................................................................................................15

1.3.1

Layout Content List ........................................................................................................................ 16

1.4

Central Processing Unit (CPU)

................................................................................18

1.4.1

Installing the CPU........................................................................................................................... 19

1.4.2

Installing the CPU Heatsink and Fan ............................................................................................. 21

1.4.3

Uninstalling the CPU Heatsink and Fan......................................................................................... 23

1.5

System Memory

......................................................................................................24

1.5.1

DIMM Sockets Location ................................................................................................................. 24

1.5.2

Memory Configurations .................................................................................................................. 25

1.5.3

Installing a DDR2 DIMM................................................................................................................. 26

1.5.4

Removing a DDR2 DIMM............................................................................................................... 26

1.6

Expansion Slots

......................................................................................................27

1.6.1

Installing an Expansion Card ......................................................................................................... 27

1.6.2

Configuring an Expansion Card ..................................................................................................... 27

1.6.3

Standard Interrupt Assignments..................................................................................................... 28

1.6.4

PCI Slots ........................................................................................................................................ 28

1.7

Jumpers

..................................................................................................................29

1.7.1

Clear CMOS (CLRTC).................................................................................................................... 29

1.7.2

COM1 RI/+5V/+12V Selection (JCOMPWR1, JCOMPWR2)......................................................... 30

1.7.3

COM2 RI/+5V/+12V Selection (JCOMPWR1, JCOMPWR2)......................................................... 30

1.7.4

COM3 RI/+5V/+12V Selection (JCOMPWR3, JCOMPWR4)......................................................... 31

1.7.5

COM4 RI/+5V/+12V Selection (JCOMPWR3, JCOMPWR4)......................................................... 31

Summary of Contents for iX945GME3

Page 1: ...iX945GME3 Intel 945GME μFC PGA 478 Core Duo Core Solo Core 2 Duo Mini ITX Motherboard User s Manual Ver 1 00 ...

Page 2: ...lling the CPU Heatsink and Fan 21 1 4 3 Uninstalling the CPU Heatsink and Fan 23 1 5 System Memory 24 1 5 1 DIMM Sockets Location 24 1 5 2 Memory Configurations 25 1 5 3 Installing a DDR2 DIMM 26 1 5 4 Removing a DDR2 DIMM 26 1 6 Expansion Slots 27 1 6 1 Installing an Expansion Card 27 1 6 2 Configuring an Expansion Card 27 1 6 3 Standard Interrupt Assignments 28 1 6 4 PCI Slots 28 1 7 Jumpers 29 ...

Page 3: ...FAN 36 1 8 6 Serial Port 3 Connector COM3 37 1 8 7 Serial Port 4 Connector COM4 37 1 8 8 System Panel Connector F_PANEL1 38 1 8 9 Primary IDE Connector IDE1 39 1 8 10 Amplifier Connector JAMP1 39 1 8 11 LCD Inverter Connector JBKL1 40 1 8 12 Digital I O Connector JDIO1 41 1 8 13 LVDS Connector JLVDS1 41 1 8 14 Serial ATA Connector Red SATA1 SATA2 42 1 8 15 Digital Audio Connector SPDIF_OUT1 42 1 8...

Page 4: ...local power company z If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer Operation safety z Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package z Before using the product make sure all cables are correctly connected and the power cables are not damaged If you detect ...

Page 5: ...IOS updates driver updates and other information http www bcmimb com tw Conventions Used in This Guide To make sure that you perform certain tasks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when trying to complete a task CAUTION Information to prevent damage to the components when trying to complete a task IMPORT...

Page 6: ... shipped 9 1 x iX945GME3 Mini ITX Main board 9 1 x CD ROM contains the followings User s manual this manual in PDF file Drivers 9 2 x COM cable 9 pin w o bracket 26cm 9 1 x IDE HDD cable 40 pin 30cm 9 2 x SATA cable kit SATA Power 9 1 x Startup Manual If any of the above items is damaged or missing please contact your retailer ...

Page 7: ...User s Manual i945GM3 DCQI 7 Revision History Revision Revision History Date V 1 0 First release for PCB 1 00 November 09 2007 ...

Page 8: ...ocess technology FSB 533 667 MHz BIOS Award 8MB Flash BIOS System Chipset Intel 82945GME GMCH 82801GHM ICH7 M DH I O Chipset Winbond W83627DHG A Memory Two 240 pin DIMM sockets support up to 4 GB Dual Channel DDR2 533 667 SDRAM SSD One CompactFlash Type I II socket Watchdog Timer Reset 1 sec 255 min and 1 sec or 1 min step H W Status Monitor Monitoring CPU temperature voltage and cooling fan statu...

Page 9: ...ck Panel 1 x PS 2 Keyboard 1 x PS 2 Mouse 2 x RS 232 1 x VGA port 1 x DVI port 4 x USB 2 0 1 1 1 x RJ45 LAN Port 1 x 5 1 2 CH Audio I O with 3 jacks Display Chipset Intel 82945GME GMCH Integrated Graphics Media Accelerator 950 Display Memory Intel DVMT 3 0 supports 224 MB video memory Resolution 2048 x 1536 32 bpp 85Hz Dual Display CRT LVDS or CRT DVI D VGA LCD Interface D SUB DVI D LVDS Dual chan...

Page 10: ...11B Gigabit LAN Mechanical Environmental Power Type ATX Operating Temperature 0 60 C 32 140 F Operating Humidity 0 90 relative humidity non condensing Size L x W 6 69 x 6 69 170 mm x 170 mm Weight 0 88 lbs 0 4 Kg Specifications are subject to change without notice ...

Page 11: ...User s Manual i945GM3 DCQI 11 Block Diagram ...

Page 12: ...iX945GME3 12 This chapter describes the main board features and the new technologies it supports 1 Product introduction 1 Product introduction ...

Page 13: ...etal object such as the power supply case before handling components to avoid damaging them due to static electricity z Hold components by the edges to avoid touching the ICs on them z Whenever you uninstall any component place it on a grounded antistatic pad or in the bag that came with the component z Before you install or remove any component ensure that the ATX power supply is switched off or ...

Page 14: ...o can cause you physical injury and damage motherboard components 1 2 1 Placement Direction When installing the motherboard make sure that you place it into the chassis in the correct orientation The edge with external ports goes to the rear part of the chassis as indicated in the image below 1 2 2 Screw Holes Place four 4 screws into the holes indicated by circles to secure the motherboard to the...

Page 15: ...User s Manual i945GM3 DCQI 15 1 3 Motherboard Layout ...

Page 16: ...V 12V selection 3 x 2 header pitch 2 54mm 30 JCOMPWR3 4 COM 3 4 RI 5V 12V selection 3 x 2 header pitch 2 54mm 31 Rear Panel Connector Label Function Note Page KBMS PS 2 keyboard and mouse 6 pin Mini Din 32 33 COM12 Serial port connector x 2 D sub 9 pin male 32 VGA_DVI D1 VGA connector DVI connector D sub 15 pin female 32 33 JUSB1 USB connector x 2 33 LAN_USB1 RJ 45 Ethernet connector x 1 USB conne...

Page 17: ... 2 header pitch 2 54mm 37 F_PANEL1 System Panel Connector 5 x 2 header pitch 2 54mm 38 IDE1 Primary IDE connector 20 x 2 header pitch 2 54mm 39 JAMP1 Amplifier connector 4 x 1 header pitch 2 54mm 39 JBKL1 LCD Inverter Connector 5 x 1 header pitch 2 00mm 40 JDIO1 Digital I O connector 10 x 2 header pitch 2 54m 41 JLVDS1 LVDS connector HIROSE DF13S 40DP 1 25V 41 SATA1 2 Serial ATA connectors 1 2 red...

Page 18: ...tion mechanism If the instructions in this section do not match the CPU documentation follow the latter z Upon purchase of the motherboard make sure that the PnP cap is on the socket and the socket contacts are not bent Contact your retailer immediately if the PnP cap is missing or if you see any damage to the PnP cap socket contacts motherboard components Your place of purchase or local distribut...

Page 19: ... Installing the CPU 1 Locate the CPU socket on the motherboard Before installing the CPU make sure that the socket box is facing towards you 2 The processor socket comes with a screw to secure the processor please unlock the screw first ...

Page 20: ...fully insert the CPU into the socket until it fits in place Gold mark 5 Turn the screw to the lock position The CPU fits in only one correct orientation DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU After installation make sure to plug in the ATX power cable to the motherboard ...

Page 21: ...k assembly If you buy a CPU separately make sure that you use only Intel certified multi directional heatsink and fan If you purchased a separate CPU heatsink and fan assembly make sure that you have properly applied Thermal Interface Material to the CPU heatsink or CPU before you install the heatsink and fan assembly 1 Place the heatsink on top of the installed CPU making sure that the four faste...

Page 22: ...onnector on the motherboard labelled CPU_FAN z Do not forget to connect the fan cables to the fan connectors Insufficient air flow inside the system may damage the motherboard components and hardware monitoring errors can occur if you fail to plug this connector z These are not jumpers DO NOT place jumper caps on the fan connectors ...

Page 23: ... motherboard 2 Rotate each fastener counterclockwise 3 Pull up four fasteners to disengage the heatsink and fan assembly from the motherboard 4 Carefully remove the heatsink and fan assembly from the motherboard Refer to the documentation in the boxed or stand alone CPU fan package for detailed information on CPU fan installation ...

Page 24: ...ate 2 DDR2 Dual Inline Memory Modules DIMM sockets A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240 pin footprint compared to the 184 pin DDR DIMM DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket The following figure illustrates the location of the sockets ...

Page 25: ...odules from the same vendor z Due to chipset resource allocation the system may detect less than 1 GB system memory when you installed one 1 GB DDR2 memory modules z This motherboard does not support memory modules made up of 128 Mb chips or double sided x16 memory modules Make sure that the memory frequency matches the CPU FSB Front Side Bus Refer to the Memory frequency CPU FSB synchronization t...

Page 26: ...sert the DIMM into the socket until the retaining clips snap back in place and the DIMM z A DDR2 DIMM is keyed with a notch so that it fits in only one direction DO NOT force a DIMM into a socket to avoid damaging the DIMM z The DDR2 DIMM sockets do not support DDR DIMMs DO NOT install DDR DIMMs to the DDR2 DIMM socket 1 5 4 Removing a DDR2 DIMM 1 Simultaneously press the retaining clips outward t...

Page 27: ... for the card 2 Remove the system unit cover if your motherboard is already installed in a chassis 3 Remove the bracket opposite the slot that you intend to use Keep the screw for later use 4 Align the card connector with the slot and press firmly until the card is completely seated on the slot 5 Secure the card to the chassis with the screw you removed earlier 6 Replace the system cover 1 6 2 Con...

Page 28: ...stalled on a PCI slot IRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 Redirect to IRQ 9 3 11 IRQ holder for PCI streering 4 12 Communications Port COM1 5 13 IRQ holder for PCI streering 6 14 Floppy Disk Controller 7 15 Printer Port LPT 8 3 System CMOS Rear Time 9 4 IRQ holder for PCI streeing 10 5 IRQ holder for PCI streeing 11 6 IRQ holder for PCI streeing 12 7 PS 2 Comp...

Page 29: ...ords To erase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Remove the onboard battery 3 Move the jumper cap from pins 1 2 default to pins 2 3 Keep the cap on pins 2 3 for about 5 10 seconds then move the cap back to pins 1 2 4 Re install the battery 5 Plug the power cord and turn ON the computer 6 Hold down the Del key during the boot process and enter BIOS setup to re enter dat...

Page 30: ...30 1 7 2 COM1 RI 5V 12V Selection JCOMPWR1 JCOMPWR2 JCOMPWR1 JCOMPWR2 5V Default 12V Ring 1 7 3 COM2 RI 5V 12V Selection JCOMPWR1 JCOMPWR2 JCOMPWR1 JCOMPWR2 5V Default 12V Ring JCOMPWR1 JCOMPWR2 JCOMPWR1 JCOMPWR2 ...

Page 31: ...ser s Manual i945GM3 DCQI 31 1 7 4 COM3 RI 5V 12V Selection JCOMPWR3 JCOMPWR4 JCOMPWR3 JCOMPWR4 5V Default 12V Ring 1 7 5 COM4 RI 5V 12V Selection JCOMPWR3 JCOMPWR4 JCOMPWR3 JCOMPWR4 5V Default 12V Ring ...

Page 32: ...J 45 connector This port allows Gigabit connection to a Local Area Network LAN through a network hub Refer to the table below for the LAN port LED indications The optional 10 100 Mbps LAN controller allows 10 100 Mbps connection to a Local Area Network LAN through a network hub 4 ACT LINK LED SPEED LED Status Description Status Description OFF No link OFF 10Mbps connection Orange Linked ORANGE 100...

Page 33: ...of this port becomes Front Speaker Out 7 AUDIO1 Microphone port Pink This port connects a microphone 8 LAN_USB1 USB 2 0 connector These four 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 9 JUSB1 USB 2 0 connector These four 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 10 VGA_DVI D1 VGA port This 15 pin port is for a VGA monit...

Page 34: ...either HD Audio or legacy AC 97 optional audio standard Connect one end of the front panel audio I O module cable to this connector For motherboards with the optional HD Audio feature we recommend that you connect a high definition front panel audio module to this connector to avail of the motherboard s high definition audio capability ...

Page 35: ...ors completely fit Important notes on the Motherboard Power Requirements z Make sure that your ATX 12V power supply can provide 8A on the 12V lead and at least 1A on the 5 volt standby lead 5VSB The minimum recommended wattage is 230W or 300W for a fully configured system The system can become unstable and might experience difficulty powering up if the power supply is inadequate z You must install...

Page 36: ...o not forget to connect the fan cables to the fan connectors Insufficient air flow inside the system may damage the motherboard components and hardware monitoring errors can occur if you fail to plug this connector z These are not jumpers DO NOT place jumper caps on the fan connectors ...

Page 37: ...User s Manual i945GM3 DCQI 37 1 8 6 Serial Port 3 Connector COM3 1 8 7 Serial Port 4 Connector COM4 ...

Page 38: ... is for the system power button Pressing the power button turns the system on or puts the system in sleep or soft off mode depending on the BIOS settings Pressing the power switch for more than four seconds while the system is ON turns the system OFF z Hard Disk Drive Activity LED 2 pin HDLED This 2 pin connector is for the HDD Activity LED Connect the HDD Activity LED cable to this connector The ...

Page 39: ...User s Manual i945GM3 DCQI 39 1 8 9 Primary IDE Connector IDE1 z Orient the red markings usually zigzag on the IDE cable to Pin 1 1 8 10 Amplifier Connector JAMP1 ...

Page 40: ...1 z Signal Description Signal Signal Description VR For inverter with adjustable Backlight function it is possible to control the LCD brightness through the VR signal Vadj 0 75V 4 25V Recommended 4 7KΩ 1 16W ENBKL LCD backlight ON OFF control signal ...

Page 41: ...User s Manual i945GM3 DCQI 41 1 8 12 Digital I O Connector JDIO1 1 8 13 LVDS Connector JLVDS1 ...

Page 42: ...tors in Standard IDE mode connect the primary boot hard disk drive to the SATA1 connector 1 8 15 Digital Audio Connector SPDIF_OUT1 This connector is for an additional Sony Philips Digital Interface S PDIF port s Connect the S PDIF module cable to this connector then install the module to a slot opening at the back of the system chassis The S PDIF module is purchased separately SATA2 SATA1 ...

Page 43: ...y of these connectors then install the module to a slot opening at the back of the system chassis These USB connectors comply with USB 2 0 specification that supports up to 480 Mbps connection speed USB45 USB67 Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard The USB module is purchased separately USB45 USB67 ...

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