Intel BLKDG35EC, DG35EC Technical Product Specification
Intel® Desktop Board
DG35EC
Technical Product Specification
March 2008
Order Number: E35350-001US
The Intel® Desktop Board DG35EC may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current
characterized errata are documented in the Intel Desktop Board DG35EC Specification Update.
Revision History
Revision Revision History Date
-001 First release of the Intel® Desktop Board DG35EC Technical Product
Specification
This product specification applies to only the standard Intel® Desktop Board DG35EC with BIOS
identifier ECG3510M.86A.
Changes to this specification will be published in the Intel Desktop Board DG35EC Specification
Update before being incorporated into a revision of this document.
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March 2008
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®
desktop boards may contain design defects or errors known as errata, which may cause the product to
Intel
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 before placing your
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Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the Intel
Desktop Board DG35EC. It describes the standard product and available
manufacturing options.
Intended Audience
The TPS is intended to provide detailed, technical information about the Desktop Board
DG35EC and its components to the vendors, system integrators, and other engineers
and technicians who need this level of information. It is specifically not intended for
general audiences.
What This Document Contains
®
Chapter Description
1 A description of the hardware used on the board
2 A map of the resources of the board
3 The features supported by the BIOS Setup program
4 A description of the BIOS error messages, beep codes, and POST codes
5 Regulatory compliance and battery disposal information
Typographical Conventions
This section contains information about the conventions used in this specification. Not
all of these symbols and abbreviations appear in all specifications of this type.
Notes, Cautions, and Warnings
#
NOTE
Notes call attention to important information.
INTEGRATOR’S NOTES
Integrator’s notes are used to call attention to information that may be useful to
system integrators.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.
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Intel Desktop Board DG35EC Technical Product Specification
Other Common Notation
# Used after a signal name to identify an active-low signal (such as USBP0#)
GB Gigabyte (1,073,741,824 bytes)
GB/sec Gigabytes per second
Gbit Gigabit (1, 073,741,824 bits)
KB Kilobyte (1024 bytes)
Kbit Kilobit (1024 bits)
kbits/sec 1000 bits per second
MB Megabyte (1,048,576 bytes)
MB/sec Megabytes per second
Mbit Megabit (1,048,576 bits)
Mbit/sec Megabits per second
xxh An address or data value ending with a lowercase h indicates a hexadecimal value.
x.x V Volts. Voltages are DC unless otherwise specified.
* This symbol is used to indicate third-party brands and names that are the property of their
respective owners.
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Contents
1 Product Description
1.1 Overview........................................................................................ 10
1.1.1 Feature Summary ................................................................ 10
1.1.2 Board Layout ....................................................................... 12
1.1.3 Block Diagram ..................................................................... 14
1.2 Legacy Considerations...................................................................... 15
1.3 Online Support................................................................................ 15
1.4 Processor ....................................................................................... 15
1.5 System Memory .............................................................................. 16
1.5.1 Memory Configurations ......................................................... 17
1.6 Intel® G35 Express Chipset............................................................... 19
1.6.1 Intel G35 Graphics Subsystem ............................................... 19
1.6.2 USB ................................................................................... 21
1.6.3 Serial ATA Interfaces ............................................................ 21
1.7 Parallel IDE Controller ...................................................................... 22
1.8 Real-Time Clock Subsystem .............................................................. 23
1.9 Legacy I/O Controller ....................................................................... 23
1.9.1 Serial Port Interface.............................................................. 23
1.9.2 Diskette Drive Interface ........................................................ 23
1.9.3 PS/2 Keyboard and Mouse Interface........................................ 24
1.10 Audio Subsystem............................................................................. 24
1.10.1 Audio Subsystem Software .................................................... 25
1.10.2 Audio Connectors and Headers ............................................... 25
1.11 LAN Subsystem............................................................................... 26
1.11.1 Intel® 82566DC Gigabit Ethernet Controller.............................. 26
1.11.2 LAN Subsystem Software....................................................... 27
1.11.3 RJ-45 LAN Connector with Integrated LEDs .............................. 27
1.12 Hardware Management Subsystem .................................................... 28
1.12.1 Hardware Monitoring and Fan Control...................................... 28
1.12.2 Fan Monitoring..................................................................... 28
1.12.3 Chassis Intrusion and Detection.............................................. 28
1.12.4 Thermal Monitoring .............................................................. 29
1.13 Power Management ......................................................................... 30
1.13.1 ACPI................................................................................... 30
1.13.2 Hardware Support ................................................................ 33
2 Technical Reference
2.1 Memory Map................................................................................... 37
2.1.1 Addressable Memory............................................................. 37
2.2 Connectors and Headers................................................................... 40
2.2.1 Back Panel Connectors .......................................................... 41
2.2.2 Component-side Connectors and Headers ................................ 42
2.3 Jumper Block .................................................................................. 50
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