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GA-8N775
® ®
Intel Pentium 4 LGA775 Processor Motherboard
User's Manual
Rev. 1002
12ME-8N775-1002R
* * The WEEE marking on the product indicates this product must not be disposed of with user's other household waste The WEEE marking on the product indicates this product must not be disposed of with user's other household waste
and must be handed over to a designated collection point for the recycling of waste electrical and electronic equipment!! and must be handed over to a designated collectio
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Motherboard GA-8N775 Motherboard GA-8N775 Dec. 9, 2005 Dec. 9, 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-8N775 Motherboard Layout .................................................................................... 6 Block Diagram ................................................................................................................ 7 Chapter 1 Hardware Installation ..................................................................................... 9 1-1 Considerations Prior to Installation .................................................................... 9 1-2 Fe
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Chapter 3 Drivers Installation ...................................................................................... 49 3-1 Install Chipset Drivers .................................................................................... 49 3-2 Software Application ....................................................................................... 50 3-3 Software Information ....................................................................................... 50 3-4 Hardware Information ......
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GA-8N775 Motherboard Layout KB_MS COAXIAL LGA775 ATX FDD SPDIF_O CPU_FAN ® AUDIO1 nVIDIA Crush 19 Marvell AUDIO2 88E1111/ 88E1115 ATX_12V IDE2 IDE1 F_AUDIO PCIE_1 PCIE_16 ® nVIDIA BIOS MCP-04 PCIE_2 SYS_FAN CODEC PCIE_3 CLR_CMOS RF_ID BATTERY PCI1 PCI2 SATAII2_3 SATAII0_1 PWR_LED CI F_PANEL - 6 - USB COMA USB CD_IN LPT LAN IT8712F SPDIF_IN F_USB1 GA-8N775 F_USB2 F_USB3 DDRII1 DDRII2 DDRII3 DDRII4
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Block Diagram CPUCLK+/-(1066/800/533MHz) LGA775 1 PCIE x 16 Processor Host PCI-ECLK DDRII 667/533MHz DIMM Interface (100MHz) Dual Channel Memory PCI Express x 16 Bus NBCLK (25MHz) ® HCLK+/- (133/200/266MHz) nVIDIA PCI Express Bus Crush 19 x1 x1 x1 PCI-ECLK (100MHz) 33MHz 25MHz 3 PCI Express x 1 48MHz ROMCLK33MHz BIOS LAN Marvell 4 SATA 3Gb/s ® 88E1111/ RJ45 nVIDIA ATA33/66/100/133 88E1115 MCP-04 IDE Channels Floppy PCI Bus LPT Port LPC BUS IT8712F 24 MHz COM Port CODEC PS/2 KB/Mouse 2 PCI 33 MHz
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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 ® ® (Note 1) CPU Supports LGA775 Intel Pentium 4 Processor L2 cache varies with CPU Front Side Bus Supports 1066/800/533MHz FSB ® Chipset Northbridge: nVIDIA Crush 19 Chipset ® Southbridge: nVIDIA MCP-04 LAN Onboard Marvell 88E1111/88E1115 chip (10/100/1000 Mbit) Audio Onboard Realtek ALC850 chip Supports 2 / 4 / 6/ 8 channel audio Supports SPDIF In/Out connection Supports CD In connection ® Storage nVIDIA MCP-04 Southbrigde - 1 FDD connector, allowing connection o
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English Rear Panel I/O 1 PS/2 keyboard port 1 PS/2 mouse port 1 parallel port 2 SPDIF Out ports (coaxial and optical) 1 serial port (COMA) 4 USB 2.0/1.1 ports 1 RJ-45 port 6 audio jacks (Line In / Line Out / MIC In / Surround Speaker Out (Rear Speaker Out) / Center/Subwoofer Speaker Out / Side Speaker Out) I/O Control IT8712F chip Hardware Monitor System voltage detection CPU temperature detection CPU / System fan speed detection CPU warning temperature CPU / System fan failure war
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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 to the surface of the installed CPU. 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 Installation of Memory Before installing the memory modules, please comply with the following conditions: 1. Please make sure that the memory used is supported by the motherboard. It is recommended that memory of similar capacity, specifications and brand be used. 2. Before installing or removing memory modules, please make sure that the computer power is switched off to prevent hardware damage. 3. Memory modules have a foolproof insertion design. A memory module can be installed in only o
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English Dual Channel Memory Configuration The GA-8N775 supports the Dual Channel Technology. After operating the Dual Channel Technology, the bandwidth of Memory Bus will add double. GA-8N775 includes 4 DIMM sockets, and each Channel has two DIMM sockets as following: Channel A : DDR II 1, DDR II 2 Channel B : DDR II 3, DDR II 4 If you want to operate the Dual Channel Technology, please note the following explanations due to the limitation of Intel chipset specifications. 1. Dual Channel mode wi
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1-5 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 1-6 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). LPT (Parallel Port) The parallel port allows connection of a printer, scanner and other peripheral devices. COAXIAL (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 cab
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Side Speaker Out Connect the side surround speakers to this connector. You can use audio software to configure 2-/4-/6-/8-channel audio functioning. 1-7 Connectors Introduction 3 2 5 6 11 1 4 15 12 9 13 7 16 17 14 8 10 1) ATX_12V 10) F_PANEL 2) ATX (Power Connector) 11) F_AUDIO 3) CPU_FAN 12) CD_IN 4) SYS_FAN 13) SPDIF_IN 5) FDD 14) F_USB1 / F_USB2 / F_USB3 6) IDE1 / IDE2 15) CLR_CMOS 7) SATAII0_1 / SATAII2_3 16) CI 8) PWR_LED 17) RF_ID 9) BATTERY GA-8N775 Motherboard - 18 - English
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English 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 wi
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3/4) CPU_FAN / SYS_FAN (Cooler Fan Power Connector) The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin (only for CPU_FAN) power connector and possesses a foolproof connection design. Most coolers are designed with color-coded power connector wires. A red power connector wire indicates a positive connection and requires a +12V power voltage. The black connector wire is the ground wire (GND). Please remember to connect the power to the cooler to prevent system overheati
