Motherboard AT3GC-I
E4628 First Edition V1 June 2009 Copyright © 2009 ASUSTeK Computer Inc. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK Computer Inc. (“ASUS”).
Contents Notices........................................................................................................... v Safety information....................................................................................... vi About this guide.......................................................................................... vi AT3GC-I specifications summary............................................................. viii Chapter 1: Product introduction 1.1 Before you proceed..............
Contents 2.4 2.5 2.6 2.7 2.8 iv 2.3.2 System Date.................................................................... 2-4 2.3.3 Primary IDE Master/Slave................................................ 2-5 2.3.4 SATA 1-2.......................................................................... 2-5 2.3.5 Storage Configuration...................................................... 2-6 2.3.6 System Information.......................................................... 2-6 Advanced menu...........
Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
Conventions used in this guide To ensure 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. IMPORTANT: Instructions that you MUST follow to complete a task. NOTE: Tips and additional information to help you complete a task.
AT3GC-I specifications summary CPU Integrated dual-core Intel® Atom™ processor 330 Chipset Northbridge: Intel® 945GC Southbridge: Intel® ICH7 North Bridge Fan Dimension of Fan: 40mm x 40mm x 10mm Rated Speed: 5000 + 10% R.P.M Voltage (V): DC 12V Maximum Air Flow: 5.57CFM Noise: 25.3dBA (Max. 27.5 dBA) Front Side Bus 533 MHz Memory Single-channel memory architecture 1 x 240-pin DIMM slot supports unbuffered non-ECC DDR2 533 MHz memory module Supports up to 2GB system memory * Refer to www.asus.
AT3GC-I specifications summary Internal I/O connectors 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports 1 x IDE connector 2 x SATA connectors 1 x System panel connector 1 x CD audio-in connector 1 x Internal speaker connector 1 x High Definition front panel audio connector 1 x Chassis fan connector 1 x Chassis intrusion connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 1 x TPM connector (optional) BIOS 8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.
Chapter 1 Product introduction Thank you for buying an ASUS® AT3GC-I motherboard! Before you start installing the motherboard, and hardware devices on it, check the items in your motherboard package. Refer to page ix for the list of accessories. If any of the items is damaged or missing, contact your retailer. 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings.
1.2 Motherboard overview 1.2.1 Motherboard layout Ensure that you install the motherboard into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis. 1 2 3 4 5 6 7 17.1cm(6.75in) KBPWR KBMS ATX12V AT3GC-I RTL 8112 ICS 9LRS954 LAN1_USB12 CHA_FAN Intel® ICH7 CHASSIS CD AUDIO USB56 USB78 USBPW5-8 F_PANEL 16 4 15 14 13 EATXPWR SB_PWR 8Mb BIOS PCI1 17.1cm(6.
1.3 Central Processing Unit (CPU) The motherboard comes with an onboard Intel® Atom 330 processor and a specially designed CPU heatsink. 1.4 System memory 1.4.1 Overview AT3GC-I DIMM1 The motherboard comes with one Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR2 DIMM socket: AT3GC-I 240-pin DDR2 DIMM socket 1.4.
1.5 Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 1.5.1 Installing an expansion card To install an expansion card: 1.
1.6 1. Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. 2 1 AT3GC-I 2 3 CLRTC Normal (Default) Clear RTC AT3GC-I Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2.
2. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. When you set this jumper to pins 2–3 (+5VSB), you can wake up the computer by pressing a key on the keyboard (the default is the Space Bar)s. This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. KBPWR AT3GC-I 1 2 3 2 +5V (Default) +5VSB AT3GC-I Keyboard Power Setting 3.
1.7 Connectors 1.7.1 Rear panel ports 1 2 11 1. 3 10 9 8 4 5 7 6 PS/2 Mouse port. This port is for a PS/2 mouse. 2. Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices. 3. LAN (RJ-45) port. 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 indicators.
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0/1.1 devices. 8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0/1.1 devices. 9. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other VGA-compatible devices. 10. COM port. This 9-pin COM1 port is for pointing devices or other serial devices. 11. PS/2 Keyboard port. This port is for a PS/2 keyboard. 1.7.2 1.
3. IDE connector (40-1 pin PRI_IDE) The onboard IDE connector is for an Ultra DMA 100/66 signal cable. There are three connectors on each Ultra DMA 100/66 signal cable: blue, black, and gray. Connect the blue connector to the motherboard’s IDE connector, then select one of the following modes to configure your devices.
4. USB connectors (10-1 pin USB56, USB78) USB+5V USB_P6USB_P6+ GND NC These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with the USB 2.0 specification that supports up to 480Mbps connection speed. USB56 USB+5V USB+5V USB_P8- USB_P5USB_P8+ USB_P5+ GND GND NC PIN 1 AT3GC-I USB78 USB+5V USB_P7USB_P7+ GND PIN 1 AT3GC-I USB2.
6. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for an ATX power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
8. System panel connector (10-1 pin F_PANEL) This connector supports several chassis-mounted functions. F_PANEL PWR LED PWR BTN GND PWR PLEDPLED+ Reset Ground IDE_LEDIDE_LED+ AT3GC-I PIN 1 HD_LED RESET AT3GC-I System panel connector • System power LED (2-pin PLED) • This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
9. Front panel audio connector (10-1 pin AAFP) NC AGND NC NC SENSE2_RETUR GND PRESENCE# SENSE1_RETUR This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector.
1.8 Software support 1.8.1 Installing an operating system This motherboard supports Windows® XP/Vista Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware. • Motherboard settings and hardware options vary. Refer to your OS documentation for detailed information.
Chapter 2 BIOS information 2.1 Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP).
Updating from a BIOS file a. Select Update BIOS from a file, then click Next. b. Locate the BIOS file from the Open window, then click Open. 3. Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 utility The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS‑based utility. Download the latest BIOS file from the ASUS website at www.asus.com. To update the BIOS using EZ Flash 2: 1.
2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can update a corrupted BIOS file using the motherboard Support DVD or a USB flash disk that contains the updated BIOS file. • Prepare the motherboard Support DVD or a USB flash disk containing the updated motherboard BIOS before using this utility.
2.2 BIOS setup program Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup.” This section explains how to configure your system using this utility. If you want to enter Setup after POST, reboot the system by doing any of the following procedures: • Restart using the OS standard shut-down procedure. • Press ++ simultaneously. • Press the reset button on the system chassis.
2.3.3 Primary IDE Master/Slave While entering Setup, the BIOS automatically detects the presence of IDE devices. There is a separate submenu for each IDE device. Select a device item then press to display the IDE device information. The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size, LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART monitoring). These values are not user-configurable.
LBA/Large Mode [Auto] Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and if the device was not previously formatted with LBA mode disabled. Configuration options: [Disabled] [Auto] Block (Multi-Sector Transfer) M [Auto] Enables or disables data multi-sectors transfers. When set to [Auto], the data transfer from and to the device occurs multiple sectors at a time if the device supports multi-sector transfer feature.
2.4 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Advanced Settings USB Configuration Adjust System Frequency/Voltage etc. CPU Configuration Chipset Onboard Devices Configuration PCIPnP 2.4.
Emulation Type [Auto] Allows you to set the emulation type. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CDROM] 2.4.2 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Max CPUID Value Limit [Disabled] Setting this item to [Enabled] allows legacy operating systems to boot even without support for CPUs with extended CPUID functions.
Internal Graphics Mode Select [Enabled, 8MB] Sets the internal graphics mode. Configuration options: [Disabled] [Enabled, 1MB] [Enabled, 8MB] DVMT Mode Select [DVMT Mode] Allows you to select the graphics memory type. Configuration options: [Fixed Mode] [DVMT Mode] [Combo Mode] DVMT/FIXED Memory [128MB] Configuration options: [64MB] [128MB] [Maximum DVMT] 2.4.4 Onboard Devices Configuration HD Audio Controller [Enabled] Enables or disables the Azalia/AC’97 CODEC.
2.4.5 PCI PnP The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices. Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can cause the system to malfunction. Plug and Play O/S [No] When set to [No], BIOS configures all the devices in the system.
2.5.1 Suspend Mode [Auto] 2.5.2 ACPI 2.0 Support [Disabled] 2.5.3 ACPI APIC Support [Enabled] 2.5.4 APM Configuration Allows you to select the Advanced Configuration and Power Interface (ACPI) state to be used for system suspend. Configuration options: [S1 (POS) Only] [S3 Only] [Auto] [S1(POS) Only] - Enables the system to enter the ACPI S1 (Power on Suspend) sleep state. In S1 sleep state, the system appears suspended and stays in a low power mode. The system can be resumed at any time.
Power on By Lan [Disabled] When set to [Enabled], this parameter allows you to wake the system through a LAN connection. Configuration options: [Disabled] [Enabled] Power On By PS/2 Keyboard [Disabled] Allows you to use specific keys on the keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
2.6.1 Boot Device Priority 1st ~ xxth Boot Device These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Configuration options: [Removable Device] [Hard Drive] [ATAPI CD-ROM ] [Disabled] 2.6.
To change the supervisor password, follow the same steps in setting a supervisor password. To clear the supervisor password, select the Change Supervisor Password then press twice. The message Password uninstalled appears. If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section 1.6 Jumpers for information on how to erase the RTC RAM. After you have set a supervisor password, the other items appear to allow you to change other security settings.
2.7 Tools menu Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Tools Settings ASUS EZ Flash 2 AI NET2 2.7.1 ASUS EZ Flash 2 2.7.2 AI NET 2 Press ENTER to run the utility to select and update BIOS. This utility supports : 1. FAT 12/16/32 (r/w) 2. NTFS (read only) Allows you to run ASUS EZ Flash 2. When you press , a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press to confirm your choice.
