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Copyright Notice: Copyright Notice: Copyright Notice: Copyright Notice: Copyright Notice: No part of this installation guide may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this guide may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe. Disclaimer: Disclaimer: Disclaimer: Disclaimer: Disclaimer: Specifications and information contained in this guide are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this guide. With respect to the contents of this guide, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the guide or product. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ASRock Website: http://www.asrock.com h h h h h s s s s s i i i i i l l l l l g g g g g n n n n n E E E E E Published July 2006 Copyright©2006 ASRock INC. All rights reserved. ASRock 775i945GZ Motherboard 11111

Motherboard L Motherboard L ayout ayout Motherboard Layout ayout Motherboard L Motherboard L ayout E E E E E n n n n n g g g g g l l l l l i i i i i s s s s s h h h h h 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PS2_USB_PWR1 Jumper ATX 12V Connector (ATX12V1) 775-Pin CPU Socket North Bridge Controller CPU Fan Connector (CPU_FAN1) 2 x 240-pin DDRII DIMM Slots (Dual Channel: DDRII_1, DDRII_2; Yellow) Infrared Module Header (IR1) IDE1 Connector (IDE1, Blue) Serial Port Connector (COM1) Clear CMOS Jumper (CLRCMOS1) Third SATAII Connector (SATAII_3; Orange) Fourth SATAII Connector (SATAII_4; Orange) Secondary SATAII Connector (SATAII_2; Red) Chassis Speaker Header (SPEAKER 1) 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Chassis Fan Connector (CHA_FAN1) System Panel Header (PANEL1) BIOS FWH Chip Primary SATAII Connector (SATAII_1; Red) South Bridge Controller USB 2.0 Header (USB67, Blue) USB 2.0 Header (USB45, Blue) Floppy Connector (FLOPPY1) HDMR Slot (HDMR1) Front Panel Audio Header (HD_AUDIO1) Internal Audio Connector: CD1 (Black) PCI Slots (PCI1- 3) AGI Express Slot (PCI Express x4) ATX Power Connector (ATXPWR1) 22222 ASRock 775i945GZ Motherboard

HD 8CH I/O HD 8CH I/O HD 8CH I/O HD 8CH I/O HD 8CH I/O 1 2 3 4 5 6 *7 Parallel Port RJ-45 Port Side Speaker (Gray) Rear Speaker (Black) Central / Bass (Orange) Line In (Light Blue) Front Speaker (Lime) 8 Microphone (Pink) USB 2.0 Ports (USB01) 9 10 USB 2.0 Ports (USB23) 11 12 13 VGA Port PS/2 Keyboard Port (Purple) PS/2 Mouse Port (Green) * If you use 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”. See the table below for connection details in accordance with the type of speaker you use. TABLE for Audio Output Connection Audio Output Channels Front Speaker Rear Speaker Central / Bass Side Speaker (No. 7) (No. 4) (No. 5) (No. 3) 2 4 6 8 V V V V -- V V V -- -- V V -- -- -- V * To enable Multi-Streaming function, you need to connect a front panel audio cable to the front panel audio header. After restarting your computer, you will find “Mixer” tool on your system. Please select “Mixer ToolBox” , click “Enable playback multi-streaming”, and click “ok”. Choose “2CH”, “4CH”, “6CH”, or “8CH” and then you are allowed to select “Realtek HDA Primary output” to use Rear Speaker, Central/Bass, and Front Speaker, or select “Realtek HDA Audio 2nd output” to use front panel audio. h h h h h s s s s s i i i i i l l l l l g g g g g n n n n n E E E E E ASRock 775i945GZ Motherboard 33333

1. Introduction 1. Introduction 1. Introduction 1. Introduction 1. Introduction Thank you for purchasing ASRock 775i945GZ motherboard, a reliable motherboard produced under ASRock’s consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRock’s commitment to quality and endurance. This Quick Installation Guide contains introduction of the motherboard and step-by- step installation guide. More detailed information of the motherboard can be found in the user manual presented in the Support CD. Because the motherboard specifications and the BIOS software might be updated, the content of this manual will be subject to change without notice. In case any modifications of this manual occur, the updated version will be available on ASRock website without further notice. You may find the latest VGA cards and CPU support lists on ASRock website as well. ASRock website http://www.asrock.com 1.1 Package Contents 1.1 Package Contents 1.1 Package Contents 1.1 Package Contents 1.1 Package Contents ASRock 775i945GZ Motherboard (Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm) ASRock 775i945GZ Quick Installation Guide ASRock 775i945GZ Support CD (including LGA 775 CPU Installation Live Demo) One 80-conductor Ultra ATA 66/100 IDE Ribbon Cable One Ribbon Cable for a 3.5-in Floppy Drive One Serial ATA (SATA) Data Cable (Optional) One Serial ATA (SATA) HDD Power Cable (Optional) One HD 8CH I/O Shield One COM Port Bracket One HDMR Card (Optional) E E E E E n n n n n g g g g g l l l l l i i i i i s s s s s h h h h h 44444 ASRock 775i945GZ Motherboard

1.21.21.21.21.2 Specifications Specifications Specifications Specifications Specifications Platform CPU Chipset Memory Hybrid Booster Expansion Slot Graphics Audio LAN Rear Panel I/O - Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm - LGA 775 for Intel® Dual Core Pentium® D / Pentium® 4 / Celeron® D, supporting CoreTM 2 Duo Desktop (Conroe), Presler and Cedar Mill processors (in 775-land LGA package) - FSB 800/533 MHz - Supports Hyper-Threading Technology (see CAUTION 1) - Supports Untied Overclocking Technology (see CAUTION 2) - Supports EM64T CPU - Northbridge: Intel® 945GZ - Southbridge: Intel® ICH7 - Dual Channel DDRII Memory Technology (see CAUTION 3) - 2 x DDRII DIMM slots - Support DDRII533 - Max. capacity: 2GB - CPU Frequency Stepless Control (see CAUTION 4) - ASRock U-COP (see CAUTION 5) - Boot Failure Guard (B.F.G.) - 3 x PCI slots - 1 x AGI Express slot (PCI Express x4) (see CAUTION 6) - 1 x HDMR slot - Intel® Graphics Media Accelerator 950 - Pixel Shader 2.0, DirectX 9.0 - Max. shared memory 192MB - Realtek ALC888 7.1 channel audio CODEC with High Definition audio - Realtek PCI LAN 8101L - Speed: 10/100 Ethernet - Supports Wake-On-LAN HD 8CH I/O - 1 x PS/2 Mouse Port - 1 x PS/2 Keyboard Port - 1 x VGA Port - 1 x Parallel Port (ECP/EPP Support) - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Port - HD Audio Jack: Side Speaker/Rear Speaker/Central/Bass/ Line in/Front Speaker/Microphone (see CAUTION 7) ASRock 775i945GZ Motherboard 55555 h h h h h s s s s s i i i i i l l l l l g g g g g n n n n n E E E E E

Connector BIOS Feature Support CD Hardware Monitor OS Certifications - 4 x SATAII 3.0 Gb/s connectors (No Support for RAID and “Hot Plug” functions) (see CAUTION 8) - 1 x ATA100 IDE connector (supports 2 x IDE devices) - 1 x Floppy connector - 1 x IR header - 1 x COM port header - CPU/Chassis FAN connector - 20 pin ATX power connector - 4 pin 12V power connector - CD in header - Front panel audio connector - 2 x USB 2.0 headers (support 4 USB 2.0 ports) (see CAUTION 9) - 4Mb AMI BIOS - AMI Legal BIOS - Supports “Plug and Play” - ACPI 1.1 Compliance Wake Up Events - Supports jumperfree - AMBIOS 2.3.1 Support - Drivers, Utilities, AntiVirus Software (Trial Version) - CPU Temperature Sensing - Chassis Temperature Sensing - CPU Fan Tachometer - Chassis Fan Tachometer - CPU Quiet Fan - Voltage Monitoring: +12V, +5V, +3.3V, Vcore - Microsoft® Windows® 2000/XP/XP 64-bit/VistaTM compliant (see CAUTION 10) - FCC, CE, WHQL E E E E E n n n n n g g g g g l l l l l i i i i i s s s s s h h h h h 66666 ASRock 775i945GZ Motherboard

CAUTION! 1. About the setting of “Hyper Threading Technology”, please check page 28 of “User Manual” in the support CD. 2. This motherboard supports Untied Overclocking Technology. Please read “Untied Overclocking Technology” on page 20 for details. 3. This motherboard supports Dual Channel Memory Technology. Before you implement Dual Channel Memory Technology, make sure to read the installation guide of memory modules on page 13 for proper installation. 4. Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU bus frequencies may cause the instability of the system or damage the CPU. 5. While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. 6. For the information of the compatible PCI Express VGA cards, please refer to the “Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4)” on page 9. For the proper installation of PCI Express VGA card, please refer to the installation guide on page 14. 7. For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 3 for proper connection. 8. Before installing SATAII hard disk to SATAII connector, please read the “SATAII Hard Disk Setup Guide” on page 19 to adjust your SATAII hard disk drive to SATAII mode. You can also connect SATA hard disk to SATAII connector directly. 9. Power Management for USB 2.0 works fine under Microsoft® Windows® VistaTM / XP 64-bit / XP SP1 or SP2 / 2000 SP4. 10. Microsoft® Windows® VistaTM driver is not ready yet. We will update it to our website in the future. Please visit our website for Microsoft® Windows® VistaTM driver and related information. ASRock website http://www.asrock.com h h h h h s s s s s i i i i i l l l l l g g g g g n n n n n E E E E E ASRock 775i945GZ Motherboard 77777

1.31.31.31.31.3 Minimum Hardware R Minimum Hardware R Minimum Hardware R equirement T equirement T able for W able for W indows indows able for Windows equirement Table for W Minimum Hardware Requirement T indows®®®®® Minimum Hardware R able for W equirement T indows VistaVistaVistaVistaVistaTMTMTMTMTM Premium and Basic Logo Premium and Basic Logo Premium and Basic Logo Premium and Basic Logo Premium and Basic Logo For system integrators and users who purchase this motherboard and plan to submit Windows® VistaTM Premium and Basic logo, please follow the below table for minimum hardware requirement. Please adopt the CPU, memory, and VGA that we suggest. CPU Memory Celeron D 326 512MB x 2 Dual Channel (Premium) 512MB Single Channel (Basic) 256MB x 2 Dual Channel (Basic) * If you use onboard VGA with total system memory size 512MB and plan to submit Windows® VistaTM Basic logo, please adjust the shared memory size of onboard VGA to 64MB. If you use onboard VGA with total system memory size above 512MB and plan to submit Windows® VistaTM Premium and Basic logo, the shared memory size of onboard VGA can be adjusted up to 128MB. * If you plan to use external graphics card on this motherboard, please refer to Premium Discrete requirement at http://www.asrock.com E E E E E n n n n n g g g g g l l l l l i i i i i s s s s s h h h h h 88888 ASRock 775i945GZ Motherboard

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