Intel® Desktop Board DG35EC Product Guide
Order Number: E30452-001
Revision History
Revision Revision History Date
-001 First release of the Intel® Desktop Board DG35EC Product Guide February 2008
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
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 DG35EC 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 and the Intel logo are trademarks of Intel Corporation in the U.S. and other countries.
* Other names and brands may be claimed as the property of others.
Copyright © 2008, Intel Corporation. All rights reserved.
OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS
Preface
This Product Guide gives information about board layout, component installation, BIOS
update, and regulatory requirements for Intel
®
Desktop Board DG35EC.
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:
1 Desktop Board Features: a summary of product features
2 Installing and Replacing Desktop Board Components: instructions on how to install
the Desktop Board and other hardware components
3 Updating the BIOS: instructions on how to update the BIOS
A Error Messages and Indicators: information about BIOS error messages and beep
codes
B Regulatory Compliance: safety standards, 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 DG35EC 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)
iv
Contents
1 Desktop Board Features
Desktop Board Components.................................................................................11
Processor..........................................................................................................13
Main Memory.....................................................................................................13
®
Intel
G35 Express Chipset .................................................................................14
Intel G35 Graphics Subsystem......................................................................14
Audio Subsystem ...............................................................................................15
Legacy Input/Output (I/O) Controller....................................................................16
LAN Subsystem .................................................................................................16
LAN Status Indicators..................................................................................16
Hi-Speed USB 2.0 Support ..................................................................................17
Enhanced IDE Interface ......................................................................................17
Serial ATA.........................................................................................................17
Expandability.....................................................................................................18
BIOS................................................................................................................18
Serial ATA and IDE Auto Configuration...........................................................18
PCI and PCI Express* Auto Configuration.......................................................18
Security Passwords.....................................................................................18
Hardware Management Features ..........................................................................19
Hardware Monitoring and Fan Speed Control ..................................................19
Chassis Intrusion........................................................................................19
Power Management Features ...............................................................................20
ACPI.........................................................................................................20
Hardware Support ......................................................................................20
Power Connectors ...............................................................................20
Fan Headers .......................................................................................21
LAN Wake Capabilities.................................................................................21
Instantly Available PC Technology..........................................................21
+5 V Standby Power Indicator...............................................................22
Wake from USB ..................................................................................23
Wake from PS/2 Keyboard/Mouse..........................................................23
PME# Signal Wake-up Support..............................................................23
WAKE# Signal Wake-up Support ...........................................................23
ENERGY STAR* Qualified .............................................................................23
Speaker............................................................................................................23
Battery.............................................................................................................23
Real-Time Clock.................................................................................................23
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
Installing and Removing a Processor.....................................................................29
Installing a Processor ..................................................................................29
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Intel Desktop Board DG35EC Product Guide
Installing a Processor Fan Heat Sink..............................................................32
Connecting the Processor Fan Heat Sink Cable................................................33
Removing the Processor ..............................................................................33
Installing and Removing Memory..........................................................................34
Guidelines for Dual Channel Memory Configuration..........................................34
Two or Four DIMMs .............................................................................34
Three DIMMs ......................................................................................35
Installing DIMMs ........................................................................................36
Removing DIMMs........................................................................................38
Installing and Removing a PCI Express x16 Card ....................................................39
Installing a PCI Express x16 Card .................................................................39
Removing the PCI Express x16 Card..............................................................40
Connecting the Diskette Drive Cable .....................................................................41
Connecting the IDE Cable....................................................................................42
Connecting Serial ATA (SATA) Cables....................................................................43
Connecting to the Internal Headers and Connectors ................................................44
S/PDIF Connector.......................................................................................45
Front Panel Audio Header ............................................................................45
IEEE 1394a Header.....................................................................................46
Serial Port Header ......................................................................................46
Front Panel Header .....................................................................................46
Alternate Front Panel Power LED Header........................................................47
USB 2.0 Headers ........................................................................................47
Chassis Intrusion Header.............................................................................48
Connecting to the Onboard Audio System..............................................................48
Connecting Chassis Fan and Power Supply Cables...................................................49
Chassis Fan Cables .....................................................................................49
Power Supply Cables...................................................................................50
Setting the BIOS Configuration Jumper .................................................................51
Clearing Passwords ............................................................................................52
3 Updating the BIOS
Updating the BIOS with the Intel
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 the Iflash Memory Update Utility .................................61
Recovering the BIOS...................................................................................62
®
Express BIOS Update Utility.................................59
A Error Messages and Indicators
BIOS Beep Codes...............................................................................................63
BIOS Error Messages..........................................................................................63
B Regulatory Compliance
Safety Standards ...............................................................................................65
Place Battery Marking .................................................................................65
European Union Declaration of Conformity Statement..............................................66
Product Ecology Statements ................................................................................67
Recycling Considerations .............................................................................67
Lead-free 2LI/Pb-free 2LI Board ...................................................................70
Restriction of Hazardous Substances (RoHS) ..................................................71
vi
Contents
EU RoHS ............................................................................................71
China RoHS ........................................................................................72
EMC Regulations ................................................................................................74
Ensure Electromagnetic Compatibility (EMC) Compliance..................................75
Product Certifications..........................................................................................76
Board-Level Certification Markings ................................................................76
Chassis and Component Certifications............................................................77
Figures
1. Desktop Board DG35EC Components...............................................................11
2. LAN Connector LEDs .....................................................................................16
3. Location of the +5 V Standby Power Indicator ..................................................22
4. Installing the I/O Shield ................................................................................27
5. Desktop Board DG35EC Mounting Screw Hole Locations .....................................28
6. Lift the Socket Lever.....................................................................................29
7. Lift the Load Plate.........................................................................................30
8. Remove the Protective Socket Cover ...............................................................30
9. Remove the Processor from the Protective Processor Cover ................................31
10. Install the Processor .....................................................................................31
11. Close the Load Plate .....................................................................................32
12. Connecting the Processor Fan Heat Sink Cable to the Processor Fan Header..........33
13. Dual Channel Memory Configuration with Two DIMMs ........................................34
14. Dual Channel Memory Configuration with Four DIMMs........................................35
15. Dual Channel Memory Configuration with Three DIMMs......................................35
16. Use DDR2 DIMMs .........................................................................................36
17. Installing a DIMM .........................................................................................37
18. Installing a PCI Express x16 Card ...................................................................39
19. Removing a PCI Express x16 Card ..................................................................40
20. Connecting the Diskette Drive Cable................................................................41
21. Connecting the IDE Cable ..............................................................................42
22. Connecting a Serial ATA Cable........................................................................43
23. Internal Headers ..........................................................................................44
24. Back Panel Audio Connectors .........................................................................48
25. Location of the Chassis Fan Headers................................................................49
26. Connecting Power Supply Cables ....................................................................50
27. Location of the BIOS Configuration Jumper Block ..............................................51
28. Removing the Battery ...................................................................................57
29. Desktop Board DG35EC China RoHS Material Self Declaration Table.....................73
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Intel Desktop Board DG35EC Product Guide
Tables
1. Feature Summary.......................................................................................... 9
2. Desktop Board DG35EC Components...............................................................12
3. LAN Connector LEDs .....................................................................................17
4. S/PDIF Connector Signal Names .....................................................................45
5. Front Panel Audio Header Signal Names for Intel High Definition Audio.................45
6. IEEE 1394a Signal Header Names ...................................................................46
7. Serial Port Header Signal Names.....................................................................46
8. Front Panel Header .......................................................................................46
9. Alternate Front Panel Power LED Header ..........................................................47
10. USB 2.0 Header Signal Names........................................................................47
11. Chassis Intrusion Header...............................................................................48
12. Back Panel Audio Connector Definition.............................................................48
13. Jumper Settings for the BIOS Setup Program Modes..........................................52
14. Beep Codes .................................................................................................63
15. BIOS Error Messages ....................................................................................63
16. Safety Standards..........................................................................................65
17. Lead-Free Second Level Interconnect Marks .....................................................71
18. China RoHS Environmentally Friendly Use Period Mark.......................................72
19. EMC Regulations...........................................................................................74
20. Product Certification Markings ........................................................................76
viii
1 Desktop Board Features
This chapter briefly describes the features of Intel® Desktop Board DG35EC. Table 1
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
Processor Support for an Intel® processor in the LGA775 package
Main Memory
Chipset Intel® G35 Express Chipset consisting of:
Graphics
Audio
Expansion
Capabilities
Legacy I/O Support
Peripheral
Interfaces
microATX (243.84 millimeters [9.60 inches] x 243.84 millimeters
[9.60 inches])
• Four 240-pin, DDR2 1.8 V SDRAM Dual Inline Memory Module
(DIMM) sockets
• 800/667 MHz single or dual channel DDR2 SDRAM interface
• Support for up to 8 GB of system memory
• Intel G35 Express Chipset Graphics and Memory Controller Hub
(GMCH)
®
• Intel
• Intel G35 Express Chipset with
• Support for dual independent displays via VGA/DVI-D
• One PCI Express* x16 connector supporting PCI Express graphics
• Onboard subsystem, featuring:
• One PCI Express x16 connector
• Two PCI Express x1 connectors
• One PCI* connector
Legacy I/O Controller that provides:
• Up to 10 USB 2.0 ports
• Up to two IEEE 1394a ports
• Four Serial ATA (SATA) channels (3.0 Gb/s) via ICH8
• One IDE interface with ATA-66/100 support (two devices)
82801HB I/O Controller Hub (ICH8)
Intel® Graphics Media Accelerator
X3500 (Intel® GMA X3500)
add-in cards
― Independent multi-streaming 6-channel (5.1) and 2-channel
stereo
― Intel
― RealTek* ALC888S audio codec
― S/PDIF connector
― One diskette drive interface
― One serial port header
― PS/2* keyboard and mouse ports
― Six ports routed to the back panel
― Four ports routed to two USB headers
― One port routed to the back panel
― One port routed to an IEEE 1394a header
®
High Definition Audio interface
continued
9
Intel Desktop Board DG35EC Product Guide
Table 1. Feature Summary (continued)
BIOS
Power Management
Hardware
Management
LAN Support Intel® 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
Operating System
Support
• Intel
• 8 Mbit symmetrical flash memory device
• Support for SMBIOS
• Intel
• Intel
• Support for Advanced Configuration and Power Interface (ACPI)
• Suspend to RAM (STR)
• Wake on USB, PCI Express, PS/2, LAN, and front panel
• ENERGY STAR* capable
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range temperatures
• Three fan headers
• Three fan sense inputs to monitor fan speed
• 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
®
Platform Innovation Framework for extensible firmware
interface
®
Rapid BIOS Boot
®
Express BIOS Update
For more information about Desktop Board DG35EC, including the Technical Product
Specification (TPS), BIOS updates, and device drivers, go to
http://support.intel.com/support/motherboards/desktop/
.
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