ProDUCT BrIef
Intel® Desktop Board DX79SI
extreme Series
ATX Form Factor
Primed and Ready!
Introducing the Intel® Desktop Board DX79SI, designed to unleash
the power of the new Intel® Core™ i7 Processors in the LGA2011 package
attacks and enables advance security checks
and balances. Fast Boot also speeds through
boot times and eliminates unnecessary
delays. Intel® Extreme Memory Profiles (Intel®
XMP) is a performance-packed expansion of
the standard DDR3 memory specification,
enabling a robust and stable solution for
ultra-fast memory.
•ATX 2.2 compliant I/O shield
•UV reactive SATA cables
•Extreme mouse pad
Build Upon a Winner
With the Intel® Desktop Board DX79SI, Intel
is once again offering the board of choice
for champion gamers and performance
enthusiasts who live to push their systems
WAY beyond the limits. The DX79SI board
offers the customization features every
power user needs. The Overclocking
•Bluetooth*/Wi-Fi module
•Board and back panel I/O layout stickers
•Quick reference guide
•Intel® Express Installer driver
and software DVD
Assistant provides single-step overclocking1
to boost performance to quickly maximize
your gaming advantage. The massive data
throughput and support for the Intel® Core™
i7 processor allows more applications to run
simultaneously, with less wait time.
The Boxed Intel® Desktop Board
DX79SI Solution Includes:
•Intel® Desktop Board DX79SI
•Windows* Premium WHQL certified
•NVIDIA* SLI* Bridge connectors
•Post code information card
Software Included:
Power for the Hottest New Games
Capability
Utilities
Software Included
With incredible support for up to twelve
threads of raw processing power, unprec-
edented bandwidth, quad-channel DDR3
memory with support for up to eight DIMMs,
the Intel Desktop Board DX79SI goes where
no desktop board has gone before.
• Intel® Extreme Tuning Utility (Intel® XTU) (Internet
Download): Monitors system temperature and fan
speeds. Enables manual tuning of memory and
processor or one-button auto tuning
•Intel® Express Installer: Streamlines board integration
Productivity
Antivirus
• Additional free software: Helps get your system up
and running smoothly and quickly
BIOS Vault Technology protects the board
and provides fault tolerant and secure firm-
ware. Intel BIOS is protected from outside
• ESET* Smart Security 5 Antivirus: Removes viruses
automatically, blocks certain internet worm attacks,
and protects e-mail and instant messages
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Intel® Desktop Board DX79SI Extreme Series
Technical Specifications
Memory Types
• DDR3 2400+ O.C. SDRAM memory support
• Non-ECC Memory
ProCeSSor
Processor Support
eNvIroNMeNT
Operating Temperature
• 0° C to +55° C
Storage Temperature
• –20° C to +70° C
HArDWAre MANAGeMeNT feATUreS
• Processor fan speed control
• System chassis fan speed control
• Voltage and temperature sensing
• Fan sensor inputs used to monitor fan activity
• Power management support for ACPI 3.0b
• Intel® Core™ i7 processors in the LGA2011 package
• Intel® Turbo Boost Technology2
• Intel® Hyper-Threading Technology3
• Integrated Memory Controller with support for up
to 64 GB4 of system memory DDR3 2400+ O.C.
SDRAM
Memory Modes
• Quad- or tri- or dual- or single-channel
operation support
reGULATIoNS AND SAfeTy STANDArDS
United States and Canada
UL 1950, Third edition—CAN/CSA C22.2
No. 950-95 with recognized U.S. and Canadian
component marks
INTeL® Pro 10/100/1000
NeTWork CoNNeCTIoN
• Dual Intel® LAN on the back panel
• New low-power design can meet Energy Star*
5.0 specifications
Memory Voltage
• 1.35 V low voltage
• 1.5 V standard JEDEC voltage
• Support for Intel® XMP extended voltage profiles
• Intel® Fast Memory Access
• Supports Intel® 64 architecture5
CHIPSeT
Intel® X79 Express Chipset
• Intel® X79 PCH
• Intel® Rapid Storage Manager (RAID 0, 1, 5, 10)
• Two SATA (6.0 Gb/s) and four SATA (3.0 Gb/s) ports
Europe
JUMPerS AND froNT PANeL CoNNeCTorS
Jumpers
• Single configuration jumper design
• Jumper access for BIOS maintenance mode
Nemko certified to EN 60950 International
Nemko certified to IEC 60950
(CB report with CB certificate)
eMC regulations (tested in
representative chassis)
United States
FCC Part 15, Class B
FCC Part 15, Class B open-chassis (cover off) testing
Canada
ICES-003, Class B
Europe
EMC directive 89/336/EEC; EN 55022:1998
Class B; EN 55024:1998
Australia/New Zealand
AS/NZS 3548, Class B
eXPANSIoN CAPABILITIeS
• Three PCI Express* x16 connectors (configured
as x16/x8/x8 in Tri graphics mode)
• Two PCI Express 2.0 x1 slots
• One PCI slot
Front Panel Connectors
USB PorTS
• Reset, HD LED, Power LEDs, power on/off
• Four front-panel Hi-Speed USB 2.0 headers
• One front-panel Super-Speed USB 3.0 headers
• Front-panel audio header
• Six Hi-Speed USB 2.0 ports via back panel
• Eight additional Hi-Speed USB 2.0 ports via four
internal headers
AUDIo
• 10-channel Intel® High Definition Audio6 codec
• 8-channel via the back panel
• 2-channel via the front panel
• Back panel support for output via optical cable
• One internal header for S/PDIF output for
HDMI* support
• Four Super-Speed USB 3.0 ports via NEC controller
• One IEEE 1394a header
SySTeM BIoS
MeCHANICAL
Board Style
• ATX
Board Size
• 11.6¨ x 9.6¨ (29.46 cm x 24.38 cm)
Baseboard Power Requirements
• ATX 12 V
• 64 Mb Flash EEPROM with Intel® Platform
Innovation Framework for EFI Plug and Play,
IDE drive auto-configure
• Advanced configuration and power interface
V3.0b, DMI 2.5
SySTeM MeMory
Memory Capacity
Taiwan
• Eight 240-pin DIMM connectors supporting
quad channel memory. Two double-sided
DIMMS per channel
CNS 13438, Class B International
CISPR 22:1997, Class B
fAST BooT
• Fast boot
• Intel® Express BIOS update support: BIOS update
via F7 function key
• Maximum system memory up to 64 GB7 using
8 GB double-sided DIMMs
3
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Intel® Desktop Board DX79SI Extreme Series
Technical Specifications
environmental Compliance
For ordering information, visit www.intel.com
For the most current product information, visit www.intel.com/go/idb
Complies with US CRF via EN55022 +6 db in
system configurations with an open chassis and
EU Directive 89/336/EEC and use via EN55022
and EN50082-1 in a representative chassis.
Lead-Free: The symbol is used to identify
electrical and electronic assemblies and
components in which the lead (Pb) concentra-
tion level in 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 confor-
mance to lead-free requirements and definitions
adopted under the European Union’s Restriction
on Hazardous Substances (RoHS) directive,
2002/95/EC.
1
4
Warning: Altering clock frequency and/or voltage may (i) reduce system
Maximum peak memory bandwidth requires four DDR3 modules to
be populated in each of the blue memory slots. DDR3 2400 memory
support on this motherboard requires advanced knowledge of BIOS and
memory tuning; individual results may vary. For specific supported memory
for more details.
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. See
Intel® High Definition Audio requires a system with an appropriate Intel®
chipset and a motherboard with an appropriate codec and the necessary
drivers installed. System sound quality will vary depending on actual imple-
mentation, controller, codec, drivers, and speakers. For more information
about Intel® HD Audio, refer to www.intel.com/design/chipsets/hdaudio.htm.
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, MERCHANT-
ABILITY, 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.
Actual Intel® Desktop Board may differ from the image on the box.
*Other names and brands may be claimed as the property of others.
1011/JB/HBD/PDF 325935-003US
stability and useful life of the system and processor; (ii) cause the processor
and other system components to fail; (iii) cause reductions in system perfor-
mance; (iv) cause additional damage; and (v) affect system data integrity.
Intel has not tested, and does not warranty, the operation of the processor
beyond its specifications.
2
5
Intel® Turbo Boost Technology requires a PC with a processor with
Intel Turbo Boost Technology capability. Intel Turbo Boost Technology
performance varies depending on hardware, software, and overall system
configuration. Check with your PC manufacturer on whether your system
boost for more information.
3
6
Intel® Hyper-Threading Technology requires a computer system with a
processor supporting HT Technology and an HT Technology-enabled
chipset, BIOS, and operating system. Performance will vary depending on
the specific hardware and software you use. For more information including
info/hyperthreading
7
System resources and hardware (such as PCI and PCI Express*) require
physical memory address locations that can reduce available addressable
system memory. This could result in a reduction of as much as 1 GB or more
of physical addressable memory being available to the operating system and
applications, depending on the system configuration and operating system.
Copyright © 2011 Intel Corporation. All rights reserved. Intel, the Intel
logo, and Intel Core are trademarks of Intel Corporation in the U.S.
and other countries.
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