MicroATX Form Factor
Intel® Desktop Board DG31PR
Classic Series
Based on the latest Intel® G31 Express Chipset
Besides the performance and stability, enjoy the intergrated graphics
Flexible. Reliable. Affordable.
and connectors for all your digital needs.
The ideal mainstream platform for home and office applications.
• Have the intergrated graphics performance that comes with
Intel® Graphics Media Accelerator X3100.
Experience new levels of digital living
Explore new possibilities and digital lifestyle with the latest Intel®
Desktop Board DG31PR, based on the Intel® G31 Express Chipset.
This board, coupled with the power of the Intel® Core™2 Quad** or
Intel® Core™2 Duo processor, enables you to experience a new level
of digital exhilaration.
• Enjoy the rich sound quality of the Intel® High Definition Audio
with 5.1 surround sound.
• Up to eight USB ports to support all your computer paraphernalia.
• Enjoy great network connectivity with the integrated
10/100/1000 Network Connection.
More flexibility. More possibilities.
The Intel® Desktop Boards are built to support a range of processors,
including the Intel Core 2 Quad**, Intel Core 2 Duo, Intel® Pentium®
Dual-Core, and Intel® Celeron® processors. For those with high memory
needs, this solution delivers support of up to 4 GB1 of DD2 800 / 667
SDRAM memory.
• Windows Vista* Premium WHQL certified.
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Features and Benefits
Intel® Desktop Board DG31PR
1 Support for the Intel® Core™2 Quad**
and Intel® Core™2 Duo processors:
Features quad-core and dual-core
processing and 1333 / 1066 / 800 MHz
system bus in the LGA775 package.
7 Intel® High Definition Audio
7
6
10
with 5.1 surround sound: Enables
high quality integrated audio that rivals
the performance of high-end discrete
solutions.
2 Intel® G31 Express Chipset: Offers a
new level of visual quality with integrated
Intel® Graphics Media Accelerator X3100
(Intel® GMA X3100).
8 Two PCI connectors: Provides
expansion slots for custom system
configurations and future add-in
card upgrades.
8
9
4
3 Dual-Channel DDR2 800 / 667
memory support: Two DIMM sockets,
designed to support up to 4 GB1 of
DDR2 800 / 667 memory, deliver
greater platform performance and
flexible memory support.
4 PCI Express* x16 Graphics connector:
Increased graphics bandwidth provides
up to 4 Gb per direction.
9 One PCI Express* x1 connector:
Designed for bandwidth-intensive
applications, PCI Express* x1 I/O offers
up to 3.5 times the bandwidth over
traditional PCI architecture.
10 Eight Hi-Speed USB 2.0 ports:
Provides four back panel ports and an
additional four USB ports via two
internal headers.
1
2
5 Four Serial ATA ports (3.0 Gb/s):
Facilitates high-speed storage and
data transfers at up to 3 Gb/s for each
of four ports.
11 MicroATX form factor: Smaller form
factor, great for mini-tower systems
3
6 Integrated 10/100/1000 Network
Connection: Features on-board
10/100/1000 Mb/s Ethernet LAN
connectivity.
5
11
9.6” / 24.38 cm
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I/O Features
Jumpers and Front-Panel Connectors
Jumpers
EMC Regulations
(tested in representative chassis)
United States
FCC 47 CFR Part 15, Subpart B
Canada
ICES-003 Class B
Europe
(EMC Directive 2004/108/EC)
EN 55022:2006 and EN 55024:1998
Australia/New Zealand
EN 55022:2006 Class B
Japan
VCCI V-3/04.04, V-4/03.04, Class B
South Korea
KN-22:2005 and KN-24:2005
Taiwan
CNS 13438:2006 Class B
International
CISPR 22:2005 +A1:2005 +A2:2006 Class B
Technical Specifications
Processor
Integrated super I/O LPC bus controller
•
•
Two PCI local bus slots
One PCI Express* x1 local bus slot
•
•
Single configuration jumper design
Processor Support
Jumper access for BIOS maintenance mode
•
•
•
•
•
Intel® Core™2 Quad** processor in the LGA775
package
Intel® Core™2 Duo processor in the LGA775
package
Intel® Pentium® Dual-Core processor in the
LGA775 package
System BIOS
Front-Panel Connectors
•
8 Mb Flash EEPROM with Intel® Platform
Innovation Framework for EFI Plug and Play,
IDE drive auto-configure
Advanced configuration and power interface
V1.0b, DMI 2.0, multilingual support
•
•
•
•
Reset, HD LED, Power LEDs, power on/off
Two front-panel Hi-Speed USB 2.0 headers
Front-panel audio header
•
Front-panel serial header
Intel® Celeron® 400 Sequence processor in the
LGA775 package
Mechanical
Board Style
System Memory
Memory Capacity
Supports Intel® 64 Architecture2
•
ATX 2.2 compliant
Board Size
9.6” x 8.6” (24.38 cm x 21.84 cm)
Baseboard Power Requirements
ATX12V
Chipset
Intel® G31 Express Chipset
•
Two 240-pin DIMM connectors supporting
up to two double-sided DIMMs
•
•
Intel® LE82G31 Graphics Memory Controller
Hub (GMCH)
Memory Types
•
•
DDR2 800 / 667 SDRAM memory support
Non-ECC Memory
•
•
•
Intel® 82801GB I/O Controller Hub (ICH7)
Serial Peripheral Interface (SPI) Flash
Environment
Memory Modes
Dual or single-channel operation support
Memory Voltage
1.8V
Operating Temperature
Graphics Memory Controller Hub (GMCH)
•
Environmental Compliance
Europe
Europe RoHS (Directive 2002/95/EC)
China
China RoHS (MII Order # 39)
•
Designed to support up to 4 Gb1 of system
memory using DDR2 800 / 667 SDRAM
memory
•
0° C to +55° C
Storage Temperature
-40° C to +70° C
•
•
•
•
Intel® Fast Memory Access
Hardware Management Features
Regulations and Safety Standards
United States and Canada
CSA/UL 60950-1, First Edition
(Binational Standard)
Intel® Graphics Media Accelerator X3100
•
•
•
•
•
Processor fan speed control
Lead-Free: The symbol is used
to identify electrical and electronic
assemblies and components in which
the lead (Pb) concentration level in
System chassis fan speed control
Intel® I/O Controller Hub
Voltage and temperature sensing
Fan sensor inputs used to monitor fan activity
Power management support for ACPI 1.0b
•
•
•
Ultra ATA 100/66 devices
Four SATA (3.0 Gb/s) ports
Europe
Integrated 10/100/1000 Network Connection
(Low Voltage Directive 2006/95/EC)
EN 60950-1:2006
any of the raw materials and the end product is
not greater than 0.1% by weight (1000 ppm). This
symbol is also used to indicate conformance to
lead-free requirements and definitions adopted
under the European Union’s Restriction on Haz-
ardous Substances (RoHS) directive, 2002/95/EC.
Expansion Capabilities
USB 2.0
Integrated Intel® ICH7 controllers:
•
•
•
Two PCI bus add-in card connectors
One PCI Express* x1 bus add-in card connector
One PCI Express* x16 Graphics connector
International
IEC 60950-1:2001, First Edition
•
•
Four back-panel ports (two dual stack)
Four additional ports (via two headers)
For the most current product information, visit developer.intel.com/design/motherbd/
1
System resources (such as PCI and PCI Express*) require physical memory address locations that reduce available memory addresses above 3 GB. This may result in less than 4 GB
of memory being available to the operating system and applications.
2
64-bit computing on Intel architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers, and applications enabled for Intel® 64 architecture.
Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software configurations.
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.
All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice. Availability in different channels may vary.
Intel, the Intel logo, Intel. Leap ahead., the Intel. Leap ahead. logo, Intel Core, Pentium, and Celeron are trademarks of Intel Corporation in the U.S. and other countries.
* Other names and brands may be claimed as the property of others.
** Supports 95W Thermal Design Power, Intel® Core™2 Quad Processors with 1066 MHz System Bus. For information, visit www.intel.com/go/findCPU
Copyright © 2007 Intel Corporation. All rights reserved. 0707/MS/VD/PDF
317696-001US
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