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GA-8I955X Royal/
GA-8I955X Pro
® ®
Intel Pentium Processor Extreme Edition
® ® ®
Intel Pentium D / Pentium 4 LGA775 Processor Motherboard
User's Manual
Rev. 1003
12ME-8I955XRO-1003
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Motherboard GA-8I955X Royal Motherboard GA-8I955X Royal April 18, 2005 April 18, 2005
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Motherboard GA-8I955X Pro Motherboard GA-8I955X Pro May 6, 2005 May 6, 2005
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Copyright © 2005 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in the manual are legally registered to their respective companies. Notice The written content provided with this product is the property of Gigabyte. No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any means without Gigabyte's prior written permission. Specifications and features are subject to change without prior notice. Product Manual Classification In
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Table of Contents GA-8I955X Royal/GA-8I955X Pro Motherboard Layout ................................................. 7 Block Diagram ................................................................................................................ 8 Chapter 1 Hardware Installation ..................................................................................... 9 1-1 Considerations Prior to Installation .................................................................... 9 1-2 Feature Summary
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Chapter 3 Drivers Installation ...................................................................................... 49 3-1 Install Chipset Drivers .................................................................................... 49 3-2 Software Applications ..................................................................................... 50 3-3 Driver CD Information .................................................................................... 50 3-4 Hardware Information .........
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GA-8I955X Royal/GA-8I955X Pro Motherboard Layout IT8712F KB_MS VRM_CONN COATIAL ATX OPTICAL LGA775 ATX_12V AUDIO1 ® Intel CPU_FAN 955X AUDIO2 NB_FAN Broadcom FDD 5751 phy IDE1 F_AUDIO PCIE_16 Broadcom CI 5751 / 5789 phy PCI1 SATAII3 ® SATAII2 Intel CLR_CMOS PCI2 ICH7R BATTERY SATAII1 PCI3 SATAII0 SN082AA2 PCIE_1 Main Sil3132 IT8212F BIOS SN081BA3 Backup PCIE_2 CD_IN BIOS F2_USB IDE2 F1_1394 F2_1394 IDE3 RF_ID PWR_LED SPDIF_I ESATAII1 ESATAII0 GREEN_USB Only for GA-8I955X Royal. Only for GA-8I
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Block Diagram PCI-ECLK (100MHz) CPUCLK+/-(266/200/133MHz) LGA775 Processor Host Interface (Note 1) (Note 2) PCI Express DDRII 888 /667 /533MHz DIMM x16 ® Intel Dual Channel Memory 955X LAN1 LAN2 MCHCLK (266/200/133MHz) 2 PCI Express x 1 RJ45 RJ45 66MHz 33MHz Broadcom Broadcom 14.318MHz 5751 5751 PCI-ECLK 48MHz (100MHz) x1 x1 x1 x1 Dual BIOS 4 SATA 3Gb/s PCI Express Bus x1 ® Intel ATA33/66/100 IDE ICH7R Channel PCI Bus Floppy LPT Port SiI3132 IT8212F SN082AA2 IT 8712F COM Port SN081BA3 CODEC 24M
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English Chapter 1 Hardware Installation 1-1 Considerations Prior to Installation Preparing Your Computer The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Thus, prior to installation, please follow the instructions below: 1. Please turn off the computer and unplug its power cord. 2. When handling the motherboard, avoid touching any metal leads or connectors. 3. It is best to wear an electrostatic
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1-2 Feature Summary Motherboard GA-8I955X Royal or GA-8I955X Pro ® ® ® CPU Supports LGA775 Intel Pentium Processor Extreme Edition/ Pentium D / ® (Note 1) Pentium 4 Supports 1066/800/533MHz FSB L2 cache varies with CPU ® Chipset Northbridge: Intel 955X Chipset ® Southbridge: Intel ICH7R Supported on the Win 2000/XP operating systems (Note 2) Memory 4 DDR II DIMM memory slots (supports up to 8GB memory) (Note 3)/ (Note 4) Supports dual channel DDR II 888 667 /533/400 unbuffered DIMM Su
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English Onboard Audio SPDIF In connection SPDIF Out connection (coaxial+optical) CD In connection Supported on the Win 2000/XP operating systems Onboard LAN Onboard Broadcom 5751 chip (10/100/1000 Mbit) (LAN1/LAN2) Onboard Broadcom 5789 chip (10/100/1000 Mbit) 2 RJ45 ports Supported on the Win 2000/XP operating systems I/O Control IT8712F Hardware Monitor System voltage detection CPU temperature detection CPU / System / Power fan speed detection CPU warning temperature CPU / System
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1-3 Installation of the CPU and Heatsink Before installing the CPU, please comply with the following conditions: 1. Please make sure that the motherboard supports the CPU. 2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong direction, the CPU will not insert properly. If this occurs, please change the insert direction of the CPU. 3. Please add an even layer of heat sink paste between the CPU and heatsink. 4. Please make sure the heatsink is installed
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English 1-3-2 Installation of the Heatsink Male Push Pin The top of Female Push Pin Female Push Pin Fig.1 Fig. 2 Please apply an even layer of heatsink paste on (Turning the push pin along the direction of arrow is the surface of the installed CPU. to remove the heatsink, on the contrary, is to install.) Please note the direction of arrow sign on the male push pin doesn't face inwards before installation. (This instruction is only for Intel boxed fan) Fig. 3 Fig. 4 Place the heatsink atop the CP
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1-4 Installing/Removing Cool-Plus (Northbridge Cooling Fan) Fig.1 Fig.2 To attach Cool-Plus to Once the fan is prop- a heatsink, align the erly affixed onto the extensions on both heatsink, plug the sides with the grooves power cable into the in the heatsink as NB_FAN connector. shown. Firmly press down until it snaps into position. Fig.3 Before proceeding, first check to make sure that the fan's power cable is disconnected. Then, while applying pressure to the top of the fan, carefully use a s
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English Fig.1 The DIMM socket has a notch, so the DIMM memory module can only fit in one direction. Insert the DIMM memory module vertically into the DIMM socket. Then push it down. Fig.2 Close the plastic clip at both edges of the DIMM sockets to lock the DIMM module. Reverse the installation steps when you wish to remove the DIMM module. Dual Channel DDR II GA-8I955X Royal/Pro supports the Dual Channel Technology. After operat- ing the Dual Channel Technology, the bandwidth of Memory Bus will
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1-6 Installation of Expansion Cards You can install your expansion card by following the steps outlined below: 1. Read the related expansion card's instruction document before install the expansion card into the computer. 2. Remove your computer's chassis cover, screws and slot bracket from the computer. 3. Press the expansion card firmly into expansion slot in motherboard. 4. Be sure the metal contacts on the card are indeed seated in the slot. 5. Replace the screw to secure the slot bracket of
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English 1-7 Installation of U-Plus DPS (Universal Plus Dual Power System) The U-Plus Dual Power System (U-Plus D.P.S.) is a revolutionary eight-phase power circuit built for ultimate system protection. Designed to withstand varying current levels and changes, the U-Plus DPS provides an immensely durable and stable power circuit to the CPU for solid system stability. These ® ® characteristics make it the ideal companion with the latest LGA775 Intel Pentium 4 Processor as well ® as future Intel pr
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1-8 I/O Back Panel Introduction PS/2 Keyboard and PS/2 Mouse Connector To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard to the lower port (purple). Parallel Port The parallel port allows connection of a printer, scanner and other peripheral devices. COATIAL (SPDIF_O) The SPDIF coaxial output port is capable of providing digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder via a coaxial cable. OPTICAL (S
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English Center/Subwoofer Speaker Out The default Center/Subwoofer Speaker Out jack. Center/Subwoofer speakers can be connected to Center/Subwoofer Speaker Out jack. Side Speaker Out The default Side Speaker Out jack. Surround side speakers can be connected to Side Speaker Out jack. In addition to the default speakers settings, the ~ audio jacks can be reconfigured to perform different functions via the audio software. Only microphones still MUST be connected to the default Mic In jack ( ). Plea
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1/2) ATX_12V/ATX (Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, please make sure that all components and devices are properly installed. Align the power connector with its proper location on the motherboard and connect tightly. The ATX_12V power connector mainly supplies power to the CPU. If the ATX_12V power connector is not connected, the system will not sta
