INTEL DG965OT Product Guide

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Intel® Desktop Board DG965OT

Product Guide

Order Number: D63605-003

Revision History

Revision	Revision History	Date
001	First release of the Intel® Desktop Board DG965OT Product Guide	June 2006
002	Second release of the Intel® Desktop Board DG965OT	August 2006
	Product Guide
003	Added operating system support and updated Chapter 4	January 2007

If an FCC declaration of conformity marking is present on the board, the following statement applies:

FCC Declaration of Conformity

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.

For questions related to the EMC performance of this product, contact:

Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124 1-800-628-8686

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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and the receiver.

•Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user’s authority to operate the equipment.

Tested to comply with FCC standards for home or office use.

Canadian Department of Communications Compliance Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.

Le présent appareil numerique német pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la classe B prescrites dans le Réglement sur le broullage radioélectrique édicté par le ministére des Communications du Canada.

Disclaimer

Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice.

Desktop Board DG965OT may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from Intel Corporation by going to the World Wide Web site at: http://www.intel.com/ or by calling 1-800-548-4725.

Intel, Pentium, the Intel logo, and Celeron are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

Preface

This Product Guide gives information about board layout, component installation, BIOS update, and regulatory requirements for Intel® Desktop Board DG965OT.

Intended Audience

The Product Guide is intended for technically qualified personnel. It is not intended for general audiences.

Use Only for Intended Applications

All Intel desktop boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal computers (PC) for installation in homes, offices, schools, computer rooms, and similar locations. The suitability of this product for other PC or embedded non-PC applications or other environments, such as medical, industrial, alarm systems, test equipment, etc. may not be supported without further evaluation by Intel.

Document Organization

The chapters in this Product Guide are arranged as follows:

1Desktop Board Features: a summary of product features

2Installing and Replacing Desktop Board Components: instructions on how to install the desktop board and other hardware components

3Updating the BIOS: instructions on how to update the BIOS

4Configuring for RAID (Intel® Matrix Storage Technology): information about configuring your system for RAID

5Intel® Quick Resume Technology Driver (Intel® QRTD): information about installing and configuring Intel Quick Resume Technology Driver

AError Messages and Indicators: information about BIOS error messages and beep codes

BRegulatory Compliance: safety and EMC regulations and product certifications

Conventions

The following conventions are used in this manual:

CAUTION

Cautions warn the user about how to prevent damage to hardware or loss of data.

NOTE

Notes call attention to important information.

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Intel Desktop Board DG965OT Product Guide

Terminology

The table below gives descriptions of some common terms used in the product guide.

Term	Description

GB	Gigabyte (1,073,741,824 bytes)

GHz	Gigahertz (one billion hertz)
KB	Kilobyte (1024 bytes)

MB	Megabyte (1,048,576 bytes)

Mbit	Megabit (1,048,576 bits)

MHz	Megahertz (one million hertz)

Box Contents

•Intel Desktop Board DG965OT

•I/O shield

•One diskette drive cable

•One ATA-66/100 cable

•Two locking Serial ATA cables

•Back panel audio port covers

•Intel® Express Installer DVD-ROM

•Intel® Matrix Storage Technology RAID driver diskette

•Quick Reference poster

•Configuration and battery caution statement label

Contents
1	Desktop Board Features
	Supported Operating Systems ..............................................................................	10
	Desktop Board Components..................................................................................	11
	Processor ...........................................................................................................	13
	Main Memory......................................................................................................	13
	Intel® G965 Express Chipset.................................................................................	14
	Intel G965 Graphics Subsystem.....................................................................	15
	Onboard Audio Subsystem ...................................................................................	16
	Input/Output (I/O) Controller ...............................................................................	17
	LAN Subsystem...................................................................................................	17
	LAN Subsystem Software..............................................................................	17
	RJ-45 LAN Connector LEDs ...........................................................................	17
	Hi-Speed USB 2.0 Support ...................................................................................	18
	Enhanced IDE Interface .......................................................................................	18
	Serial ATA ..........................................................................................................	18
	Expandability......................................................................................................	19
	BIOS .................................................................................................................	19
	Serial ATA and IDE Auto Configuration ...........................................................	19
	PCI and PCI Express* Auto Configuration .......................................................	19
	Security Passwords ......................................................................................	19
	Hardware Management Features ...........................................................................	20
	Hardware Monitoring and Fan Speed Control...................................................	20
	Chassis Intrusion Detection...........................................................................	20
	Power Management Features ................................................................................	21
	ACPI ..........................................................................................................	21
	Power Connectors........................................................................................	21
	Fan Headers ...............................................................................................	21
	LAN Wake Capabilities..................................................................................	22
	Instantly Available PC Technology..................................................................	22
	+5 V Standby Power Indicator LED ................................................................	23
	Resume on Ring ..........................................................................................	23
	Wake from USB...........................................................................................	24
	Wake from PS/2 Keyboard/Mouse..................................................................	24
	PME# Signal Wake-up Support......................................................................	24
	WAKE# Signal Wake-up Support ...................................................................	24
	Speaker .............................................................................................................	24
	Battery ..............................................................................................................	24
	Real-Time Clock ..................................................................................................	24
2	Installing and Replacing Desktop Board Components
	Before You Begin.................................................................................................	25
	Installation Precautions........................................................................................	26
	Prevent Power Supply Overload.....................................................................	26
	Observe Safety and Regulatory Requirements .................................................	26
	Installing the I/O Shield .......................................................................................	27
	Installing and Removing the Desktop Board............................................................	28

Intel Desktop Board DG965OT Product Guide
	Installing and Removing a Processor......................................................................	29
	Installing a Processor ...................................................................................	29
	Installing the Processor Fan Heat Sink............................................................	32
	Connecting the Processor Fan Heat Sink Cable ................................................	32
	Removing the Processor ...............................................................................	33
	Installing and Removing Memory ..........................................................................	33
	Guidelines for Dual Channel Memory Configuration ..........................................	33
	Two or Four DIMMs ..............................................................................	33
	Three DIMMs .......................................................................................	34
	Installing DIMMs..........................................................................................	35
	Removing DIMMs.........................................................................................	37
	Installing and Removing a PCI Express x16 Card.....................................................	38
	Installing a PCI Express x16 Card ..................................................................	38
	Removing the PCI Express x16 Card ..............................................................	39
	Connecting the IDE Cable.....................................................................................	40
	Connecting the Serial ATA (SATA) Cable ................................................................	41
	Connecting to Internal Headers.............................................................................	42
	Installing a Front Panel Audio Solution for Intel® High Definition Audio...............	43
	Connecting to the USB 2.0 Headers ...............................................................	44
	Connecting to the Front Panel Header ............................................................	44
	Connecting to the Alternate Front Panel Power LED Header...............................	45
	Connecting to the IEEE 1394a Header ............................................................	45
	Connecting to the Serial Port Header..............................................................	45
	Connecting to the HD Audio Link Header ........................................................	46
	Connecting to the Flexible Audio System ................................................................	46
	Connecting Chassis Fan and Power Cables..............................................................	47
	Connecting Chassis Fan Cables......................................................................	47
	Connecting Power Cables..............................................................................	48
	Other Connectors and Headers .............................................................................	49
	Setting the BIOS Configuration Jumper ..................................................................	50
	Clearing Passwords..............................................................................................	51
	Back Panel Connectors.........................................................................................	52
3	Updating the BIOS
	Updating the BIOS with the Intel® Express BIOS Update Utility.................................	59
	Updating the BIOS with the ISO Image BIOS Update File or the
	Iflash Memory Update Utility ...........................................................................	60
	Obtaining the BIOS Update File .....................................................................	60
	Updating the BIOS with the ISO Image BIOS Update File..................................	60
	Updating the BIOS with Iflash .......................................................................	61
	Recovering the BIOS....................................................................................	62
4	Configuring for RAID (Intel® Matrix Storage Technology)
	Configuring the BIOS for Intel Matrix Storage Technology.................................	63
	SATA Port Mapping ......................................................................................	63
	Creating Your RAID Set ................................................................................	64
	Loading the Intel Matrix Storage Technology RAID Drivers and Software ............	65
	Setting Up a “RAID Ready” System................................................................	65

Contents

5 Intel® Quick Resume Technology Driver (Intel® QRTD)
Overview............................................................................................................	67
Intel Quick Resume Technology Power Modes .................................................	67
Installation and Configuration ...............................................................................	68

A	Error Messages and Indicators
	BIOS Beep Codes ................................................................................................		71
	BIOS Error Messages ...........................................................................................		71
B	Regulatory Compliance
	Safety Regulations ..............................................................................................		73
		Place Battery Marking ..................................................................................	73
	European Union Declaration of Conformity Statement ..............................................		74
	Product Ecology Statements .................................................................................		75
		Lead-Free Desktop Board .............................................................................	78
	EMC Regulations .................................................................................................		79
		Ensure Electromagnetic Compatibility (EMC) Compliance ..................................	80
	Product Certifications...........................................................................................		81
		Board-Level Certification Markings .................................................................	81
		Chassis and Component Certifications ............................................................	82
Figures
	1.	Desktop Board DG965OT Components .............................................................	11
	2.	LAN Connector LEDs ......................................................................................	17
	3.	Location of Standby Power Indicator ................................................................	23
	4.	Installing the I/O Shield .................................................................................	27
	5.	Desktop Board DG965OT Mounting Screw Hole Locations ...................................	28
	6.	Lift Socket Lever ...........................................................................................	29
	7.	Lift the Load Plate..........................................................................................	29
	8.	Remove the Protective Socket Cover................................................................	30
	9.	Remove the Processor from the Protective Processor Cover ................................	30
	10.	Install the Processor ......................................................................................	31
	11.	Close the Load Plate.......................................................................................	31
	12.	Connecting the Processor Fan Heat Sink Cable to the Processor Fan Header..........	32
	13.	Dual Channel Memory Configuration Example 1.................................................	33
	14.	Dual Channel Memory Configuration Example 2.................................................	34
	15.	Dual Channel Memory Configuration Example 3.................................................	34
	16.	Use DDR2 DIMMs ..........................................................................................	35
	17.	Installing a DIMM ..........................................................................................	36
	18.	Installing a PCI Express x16 Card ....................................................................	38
	19.	Removing a PCI Express x16 Card ...................................................................	39
	20.	Connecting the IDE Cable ...............................................................................	40
	21.	Connecting the Serial ATA Cable......................................................................	41
	22.	Internal Headers ...........................................................................................	42
	23.	Back Panel Audio Connectors ..........................................................................	46
	24.	Location of Chassis Fan Headers......................................................................	47
	25.	Connecting Power Supply Cables .....................................................................	48
	26.	Location of Other Connectors and Headers........................................................	49
	27.	Location of the BIOS Configuration Jumper Block...............................................	50
	28.	Back Panel Connectors ...................................................................................	52
	29.	Removing the Battery ....................................................................................	57

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Intel Desktop Board DG965OT Product Guide
30.	Original SATA Port Mapping for Desktop Board DG965OT....................................	63
31.	SATA Port Mapping for Desktop Board DG965OT After RAID is Enabled ................	64
Tables
1.	Feature Summary............................................................................................	9
2.	Desktop Board DG965OT Components .............................................................	12
3.	LAN Connector LED States ..............................................................................	18
4.	Front Panel Audio Header Signal Names for Intel High Definition Audio.................	43
5.	AC ’97 Audio Header Signal Names ..................................................................	43
6.	USB 2.0 Header Signal Names.........................................................................	44
7.	Front Panel Header ........................................................................................	44
8.	Alternate Front Panel Power LED Header...........................................................	45
9.	IEEE 1394a Header Signal Names....................................................................	45
10.	Serial Port Header Signal Names .....................................................................	45
11.	HD Audio Link Header Signal Names ................................................................	46
12.	Jumper Settings for the BIOS Setup Program Modes ..........................................	51
13.	Beep Codes...................................................................................................	71
14.	BIOS Error Messages .....................................................................................	71
15.	Safety Regulations.........................................................................................	73
16.	Lead-Free Board Markings ..............................................................................	78
17.	EMC Regulations............................................................................................	79
18.	Product Certification Markings .........................................................................	81

viii

1 Desktop Board Features

This chapter briefly describes the main features of Intel® Desktop Board DG965OT. Table 1 summarizes the major features of the desktop board.

Table 1. Feature Summary

Form Factor	microATX (243.84 millimeters [9.60 inches] x 243.84 millimeters
	[9.60 inches])

Processor	Support for an Intel® processor in the LGA775 package
Main Memory	•	Four 240-pin, DDR2 1.8 V SDRAM Dual Inline Memory Module
		(DIMM) sockets
	•	800/667/533 MHz single or dual channel DDR2 SDRAM interface
	•	Support for up to 8 GB of system memory

Chipset	Intel® G965 Express Chipset consisting of:
	•	Intel® G965 Express Chipset Graphics and Memory Controller Hub
		(GMCH)
	•	Intel® 82801HH I/O Controller Hub (ICH8DH)
Graphics	•	Intel® G965 Express Chipset with Intel® Graphics Media Accelerator
		X3000
	•	Intel® Clear Video Technology
	•	PCI Express* graphics card support via a PCI Express x16 connector

Audio	•	8-channel (7.1) onboard subsystem, featuring:
		― Intel® High Definition Audio interface
		― SigmaTel* STAC9271D audio codec
		― HD Audio Link header
		― Support for Dolby* Home Theater*

Expansion	•	One PCI Express x16 connector
Capabilities	•	One PCI Express x1 connector
	•	Two PCI connectors

Peripheral	•	Up to 10 USB 2.0 ports
Interfaces		― Six ports routed to the back panel
		― Four ports routed to two USB headers
	•	Six Serial ATA (SATA) channels (3.0 Gb/s), via the ICH8, one device
		per channel
	•	Up to two IEEE 1394a ports
		― One port routed to the back panel
		― One port routed to a IEEE 1394a header
	•	One IDE interface with ATA-66/100 support (two devices)
	•	One diskette drive interface
	•	One VGA port
	•	One parallel port
	•	One serial port header
	•	PS/2* keyboard and mouse ports

LAN Support	Gigabit (10/100/1000 Mb/s) LAN subsystem using the Intel® 82566DC
	Gigabit Network Connection

		continued

Intel Desktop Board DG965OT Product Guide

Table 1. Feature Summary (continued)

BIOS	•	Intel® Platform Innovation Framework for extensible firmware
		interface
	•	8 Mbit symmetrical flash memory
	•	Support for SMBIOS
	•	Intel® Rapid BIOS Boot
	•	Intel® Express BIOS Update
Power Management	•	Support for Advanced Configuration and Power Interface (ACPI)
	•	Suspend to RAM (STR)
	•	Wake on USB, PCI Express, PS/2, LAN, and front panel

Hardware	Hardware monitor with:
Management	•	Three fan sensing inputs used to monitor fan activity
	•	Three fan sensing inputs used to monitor fan activity
	•	Remote diode temperature sensing
	•	Voltage sensing to detect out of range values
	•	Intel® Quiet System Technology (Intel® QST) fan speed control

Related Links:

For more information about Desktop Board DG965OT, including the Technical Product Specification (TPS), BIOS updates, and device drivers, go to:

http://support.intel.com/support/motherboards/desktop/

Supported Operating Systems

The desktop board supports the following operating systems:

•Microsoft Windows Vista* Ultimate

•Microsoft Windows Vista Enterprise

•Microsoft Windows Vista Business

•Microsoft Windows Vista Home Premium

•Microsoft Windows Vista Home Basic

•Microsoft Windows Vista Ultimate 64-bit edition

•Microsoft Windows Vista Enterprise 64-bit edition

•Microsoft Windows Vista Business 64-bit edition

•Microsoft Windows Vista Home Premium 64-bit edition

•Microsoft Windows Vista Home Basic 64-bit edition

•Microsoft Windows* XP Media Center Edition 2005

•Microsoft Windows XP Professional

•Microsoft Windows XP Professional x64 Edition

•Microsoft Windows XP Home Edition

•Microsoft Windows 2000

Desktop Board Features

Desktop Board Components

Figure 1 shows the approximate location of the major components on Desktop Board DG965OT.

Figure 1. Desktop Board DG965OT Components

Intel Desktop Board DG965OT Product Guide

Table 2. Desktop Board DG965OT Components

Label	Description

A	HD Audio Link header

B	PCI bus connector 2

C	Front panel audio header

D	PCI bus connector 1

E	PCI Express x1 connector 1

F	PCI Express x16 connector

G	Back panel connectors

H	12 V processor core voltage connector (2 x 2 pin )

I	Rear chassis fan header (3-pin)

J	Processor socket

K	Processor fan header (4-pin)

L	Serial port header

M	Main power connector (2 x 12 pin)

N	Diskette drive connector

O	DIMM 0, Channel A and B sockets

P	DIMM 1, Channel A and B sockets

Q	Battery

R	Front chassis fan header (3-pin)

S	Chassis intrusion header

T	BIOS configuration jumper block

U	Alternate front panel power LED header

V	Front panel header

W	Serial ATA connectors

X	Hi-speed USB 2.0 headers

Y	Speaker

Z	IDE connector

AA	IEEE 1394a header

Related Links:

Go to the following links for more information about:

•	Desktop Board DG965OT	http://www.intel.com/design/motherbd
		http://support.intel.com/support/motherboards/desktop
•	Supported processors	http://www.intel.com/go/findCPU
• Audio software and utilities		http://www.intel.com/design/motherbd
• LAN software and drivers		http://www.intel.com/design/motherbd

Desktop Board Features

Processor

CAUTION

Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 2 pin) power connector to the desktop board may result in damage to the board or the system may not function properly.

Desktop Board DG965OT supports an Intel processor in the LGA775 package. Processors are not included with the desktop board and must be purchased separately. The processor connects to the desktop board through the LGA775 socket.

The supported processors list for Desktop Board DG965OT is located on the web at: http://www.intel.com/go/findCPU

Related Links:

Go to the following links or pages for more information about:

•Instructions on installing or upgrading the processor, page 29 in Chapter 2

Main Memory

NOTE

To be fully compliant with all applicable Intel® SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation.

The desktop board supports the dual or single channel memory configurations defined below.

•Four 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline Memory Module (DIMM) connectors with gold-plated contacts.

•Support for:

―Unbuffered, non-registered single or double-sided DIMMs

―Non-ECC DDR2 memory

―DIMM Type and Timings listed below: Type Timing

DDR2-800 5-5-5 or 6-6-6 only

DDR2-667	5-5-5 only
DDR2-533	4-4-4 only

― Serial Presence Detect (SPD) memory only

Intel Desktop Board DG965OT Product Guide

―Memory configurations listed below:

•Up to 2.0 GB utilizing 256 Mb technology

•Up to 4.0 GB utilizing 512 Mb or 1 Gb technology

•Up to 8.0 GB utilizing 1 Gb technology

NOTE

1 Gb memory technology is not supported on DDR2-800 DIMMs.

Intel recommends using memory from the tested memory lists, available at: http://www.cmtlabs.com/mbsearch.asp

http://www.intel.com/products/motherboard/index.htm?iid=HMPAGE+Header_2_Pro duct_MB

Related Links:

Go to the following links or pages for more information about:

•SDRAM specifications, http://www.intel.com/technology/memory/

•Installing memory, page 33 in Chapter 2

Intel® G965 Express Chipset

The Intel G965 Express Chipset consists of the following devices:

•Intel G965 Express Chipset Graphics and Memory Controller Hub (GMCH) with Direct Media Interface (DMI) interconnect

•Intel 82801HH I/O Controller Hub (ICH8DH) with DMI interconnect

Intel G965 Graphics Subsystem

The Intel G965 Express Chipset contains two separate, mutually exclusive graphics options. Either the integrated GMA X3000 graphics controller is used or a PCI Express x16 add-in card can be used. When a PCI Express x16 add-in card is installed, the GMA X3000 graphics controller is disabled.

The GMA X3000 graphics controller features the following:

•400 MHZ core frequency

•Enhanced 3D graphics

•Flat panel displays up to 2048 x 1536 at 75 Hz refresh rate (in dual-channel mode) or digital CRT/HDTV up to 1920 x 1080 at 85 Hz refresh rate

•Dynamic Video Memory Technology (DVMT).

•Intel® Clear Video Technology which supports:

―Enhanced high-definition video playback including multi-stream playback (up to one HD and one SD stream) for picture-in-picture

―Advanced Digital Display 2 cards or Media Expansion Cards (ADD2/MEC) which enable digital display connections such as DVI and TV-out in a single-card solution

―Precise color control featuring ProcAmp brightness, hue, saturation, and contrast control

―Advanced de-interlacing for sharp image quality at high resolutions

•For more information on Intel Clear Video Technology, go to: http://www.intel.com/go/clearvideo

NOTE

A minimum of 512 MB of system memory is required in order for the Intel GMA X3000 integrated graphics controller to operate properly.

Intel Desktop Board DG965OT Product Guide

Onboard Audio Subsystem

Desktop Board DG965OT has a flexible 8-channel (7.1) onboard audio subsystem that includes a SigmaTel STAC9271D audio codec and an HD Audio Link header.

The audio subsystem features:

•Intel High Definition Audio interface

•Advanced jack sense, for the back panel connectors, that enables the audio codec to recognize the device that is connected to an audio port and retask the connector via the audio driver.

•S/N (signal-to-noise) ratio: 95 dB

•Microphone input supporting:

―Stereo microphone

―Microphone boost

The subsystem includes the following connectors:

•Front panel audio connector, including functionality for:

―Line out

―Microphone in

•Back panel audio connectors that are configurable through the audio device drivers:

―Surround left and right/retasking jack

―Center channel and LFE (subwoofer)/retasking jack

―S/PDIF optical digital audio line out

―Line in/side surround left and right/retasking jack

―Line out/retasking jack

―Mic in/retasking jack

Related Links:

Go to the following link or pages for more information about:

•Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/

•Installing the front panel audio solution, page 43

•The location of audio connectors, Figure 23 on page 46

Desktop Board Features

Input/Output (I/O) Controller

The super I/O controller features the following:

•One serial port header

•One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support

•Serial IRQ interface compatible with serialized IRQ support for PCI systems

•PS/2-style mouse and keyboard interfaces

•Interface for one 1.2 MB or 1.44 MB diskette drive

•Intelligent power management, including a programmable wake up event interface

•PCI power management support

LAN Subsystem

The LAN subsystem consists of the following:

•Intel 82566DC Gigabit Network Connection

•RJ-45 connector with status indicator LEDs

LAN Subsystem Software

For LAN software and drivers, refer to the DG965OT link on Intel’s World Wide Web site at:

http://support.intel.com/support/motherboards/desktop

RJ-45 LAN Connector LEDs

Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN.

Figure 2. LAN Connector LEDs

Intel Desktop Board DG965OT Product Guide

Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating.

Table 3. LAN Connector LED States

LED	LED Color	LED State	Indicates

A	Green	Off	LAN link is not established

		On	LAN link is established

		Blinking	LAN activity is occurring

B	N/A	Off	10 Mb/s data rate

	Green	On	100 Mb/s data rate

	Yellow	On	1000 Mb/s data rate

Hi-Speed USB 2.0 Support

NOTE

Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a fullspeed USB device.

The desktop board supports up to 10 USB 2.0 ports via ICH8 (six ports routed to the back panel and four ports routed to two internal USB 2.0 headers). USB 2.0 ports are backward compatible with USB 1.1 devices. USB 1.1 devices will function normally at USB 1.1 speeds.

USB 2.0 support requires both an operating system and drivers that fully support USB 2.0 transfer rates. Disabling Hi-Speed USB in the BIOS reverts all USB 2.0 ports to USB 1.1 operation. This may be required to accommodate operating systems that do not support USB 2.0.

Enhanced IDE Interface

The desktop board’s IDE interface handles the exchange of information between the processor and peripheral devices such as hard disk drives and CD-ROM drives. The interface supports:

•Up to two IDE devices (such as hard drives)

•ATAPI-style devices (such as CD-ROM drives)

•Older PIO Mode devices

•Ultra DMA-33 and ATA-66/100 protocols

Serial ATA

The desktop board supports six Serial ATA channels (3.0 Gb/s) via ICH8, connecting one device per channel.

Desktop Board Features

Expandability

For system expansion, the desktop board provides the following:

•One PCI Express x16 connector

•One PCI Express x1 connector

•Two PCI bus connectors

BIOS

The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI/PCI Express and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in a Serial Peripheral Interface (SPI) Flash device.

The BIOS can be updated by following the instructions on page 59 in Chapter 3.

Serial ATA and IDE Auto Configuration

If you install a Serial ATA or IDE device (such as a hard drive) in your computer, the auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing a Serial ATA or IDE device. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program.

PCI and PCI Express* Auto Configuration

If you install a PCI/PCI Express add-in card in your computer, the PCI/PCI Express auto-configuration utility in the BIOS automatically detects and configures the resources (IRQs, DMA channels, and I/O space) for that add-in card. You do not need to run the BIOS Setup program after you install a PCI/PCI Express add-in card.

Security Passwords

The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup and for booting the computer, with the following restrictions:

•The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.

•If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.

•Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password to boot the computer.

Related Links:

For instructions on resetting the password, see Clearing Passwords on page 51.

Intel Desktop Board DG965OT Product Guide

Hardware Management Features

The hardware management features of Desktop Board DG965OT enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features including the following:

•Fan speed monitoring and control

•Thermal and voltage monitoring

•Chassis intrusion detection

Hardware Monitoring and Fan Speed Control

The features of the hardware monitoring and fan speed control include:

•Monitoring of power supply voltages to detect levels above and below acceptable values

•Intel Quiet System Technology, delivering acoustically-optimized thermal management

NOTE

Memory must be installed in the Channel A, DIMM 0 socket to enable Intel® Quiet System Technology.

•Fan speed controllers and sensors integrated into the ICH8

•Thermal sensors in the processor, GMCH, and ICH8 plus an onboard remote sensor

•Thermally monitored closed-loop fan control, for all onboard fans, that can adjust fan speed or switch the fans off as needed

Chassis Intrusion Detection

The board supports a chassis security feature that detects if the chassis cover has been removed. The security feature uses a mechanical switch on the chassis that can be connected to the chassis intrusion header on the desktop board. See Figure 26 on page 49 for the location of the chassis intrusion header.

Desktop Board Features

Power Management Features

Power management is implemented at several levels, including:

•Software support through the Advanced Configuration and Power Interface (ACPI)

•Hardware support:

―Power connectors

―Fan headers

―LAN wake capabilities

―Instantly Available PC technology (Suspend to RAM)

―+5 V standby power indicator LED

―Resume on Ring

―Wake from USB

―Wake from PS/2 keyboard/mouse

―Power Management Event signal (PME#) wakeup support

―WAKE# signal wake-up support

ACPI

ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the desktop board requires an operating system that provides full ACPI support.

Power Connectors

ATX12V-compliant power supplies can turn off the computer power through system control. When an ACPI-enabled computer receives the correct command, the power supply removes all non-standby voltages.

When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (either on or off). The computer’s response can be set by using the Last Power State feature in the BIOS Setup program’s Boot menu.

The desktop board has two power connectors. See Figure 25 on page 48 for the location of the power connectors.

Fan Headers

The function/operation of the fans is as follows:

•The fans are on when the computer is in the ACPI S0 state.

•The fans are off when the computer is in the ACPI S3, S4, or S5 state.

•Each fan header is wired to a tachometer input of the hardware monitoring and control device.

•All fan headers support closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed.

•All fan headers have a +12 V dc connection.

The desktop board has a 4-pin processor fan header and two 3-pin chassis fan headers.

Intel Desktop Board DG965OT Product Guide

LAN Wake Capabilities

CAUTION

For LAN wake capabilities, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply.

LAN wakeup capabilities enable remote wake-up of the computer through a network. The LAN subsystem monitors network traffic and upon detecting a Magic Packet* frame, it asserts a wake-up signal that powers up the computer.

Instantly Available PC Technology

CAUTIONS

For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.

Power supplies used with this desktop board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration. If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the desktop board may lose register settings stored in memory.

Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to- RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. If the computer has a dual-colored power LED on the front panel, the sleep state is indicated by the LED turning amber. When signaled by a wake-up device or event, the computer quickly returns to its last known awake state.

The desktop board supports the PCI Bus Power Management Interface Specification. Add-in cards that support this specification can participate in power management and can be used to wake the computer.

Desktop Board Features

+5 V Standby Power Indicator LED

CAUTION

If the AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices.

The desktop board’s standby power indicator, shown in Figure 3, is lit when there is standby power still present on the board even when the computer appears to be off. For example, when this LED is lit, standby power is still present at the memory module sockets and the PCI bus connectors.

Figure 3. Location of Standby Power Indicator

Related Links:

For more information on standby current requirements for the desktop board, refer to the Technical Product Specification by going to the following link, finding the product, and selecting Product Documentation from the left-hand menu:

http://support.intel.com/support/motherboards/desktop/

Resume on Ring

Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal).

The operation of Resume on Ring can be summarized as follows:

•Resumes operation from an ACPI S3 state

•Detects incoming call similarly for external and internal modems

•Requires the modem interrupt to be masked for correct operation

Intel Desktop Board DG965OT Product Guide

Wake from USB

NOTE

Wake from USB requires the use of a USB peripheral that supports Wake from USB.

USB bus activity wakes the computer from an ACPI S3 state.

Wake from PS/2 Keyboard/Mouse

PS/2 keyboard/mouse activity wakes the computer from an ACPI S3 state.

PME# Signal Wake-up Support

When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S3, S4, or S5 state.

WAKE# Signal Wake-up Support

When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S2, S3, S4, or S5 state.

Speaker

A speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST).

Battery

A battery on the desktop board keeps the values in CMOS RAM and the clock current when the computer is turned off. Go to page 53 for instructions on how to replace the battery.

Real-Time Clock

The desktop board has a time-of-day clock and 100-year calendar. The battery on the desktop board keeps the clock current when the computer is turned off.

2Installing and Replacing Desktop Board Components

This chapter tells you how to:

•Install the I/O shield

•Install and remove the desktop board

•Install and remove a processor

•Install and remove memory

•Install and remove a PCI Express x16 card

•Connect the IDE and Serial ATA cables

•Connect to the internal headers

•Connect the flexible audio system

•Connect the chassis fan and power cables

•Set the BIOS configuration jumper

•Clear passwords

•Replace the battery

Before You Begin

CAUTIONS

The procedures in this chapter assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment.

Disconnect the computer from its power source and from any telecommunications links, networks, or modems before performing any of the procedures described in this chapter. Failure to disconnect power, telecommunications links, networks, or modems before you open the computer or perform any procedures can result in personal injury or equipment damage. Some circuitry on the board can continue to operate even though the front panel power button is off.

Follow these guidelines before you begin:

•Always follow the steps in each procedure in the correct order.

•Set up a log to record information about your computer, such as model, serial numbers, installed options, and configuration information.

•Electrostatic discharge (ESD) can damage components. Perform the procedures described in this chapter only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the computer chassis.

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