Intel DX79SI Product Guide

9
1 Desktop Board Features
This chapter briefly describes the features of Intel
®
Desktop Board DX79SI. Table 1
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters
[9.60 inches])
Processor Support for Intel
®
Core™ i7 and Intel
®
Xeon
®
processors in the
LGA2011 package with:
• Two PCI Express 3.0 x16 graphics interfaces (x16 electrical)
• One PCI Express 3.0 x16 (x8 electrical)
• Quad-channel memory interface
Main Memory
Eight 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM)
sockets arranged in four channels with support for the following:
• DDR3 2400 MHz, DDR3 2133 MHz, DDR3 1866 MHz, DDR3
1600 MHz, DDR3 1333 MHz, and DDR3 1066 MHz DIMMs
• ECC and non-ECC memory
• 1 Gb, 2 Gb, and 4 Gb memory technology
• XMP memory
• 1.35 V low voltage memory (JEDEC standard)
• Up to 64 GB of system memory using 4 Gb memory technology
• Manual memory overclocking (voltage, clock, and ratio)
Chipset Intel
®
X79 Express Chipset consisting of the Intel
®
X79 Platform
Controller Hub (PCH)
Graphics Support for multiple PCI Express* graphics cards including linked cards
using Nvidia* SLI* technology and AMD* CrossFire X* technology
Audio
• Independent multi-streaming 8-channel (7.1) audio and 2-channel
audio subsystem, featuring:
― Intel
®
High Definition Audio interface
― RealTek* ALC892 codec
• HD Audio front panel header
• Onboard 3-pin S/PDIF output header and back panel optical S/PDIF
output connector
Expansion
Capabilities
• Three PCI Express 3.0 x16 connectors (two x16 electrical and one x8
electrical)
• Two PCI Express 2.0 x1 connectors
• One PCI* bus connector
Legacy I/O Support Nuvoton* Legacy I/O Controller that provides Consumer Infrared (CIR)
support
continued

Intel DX79SI Specifications

General

Brand	Intel
Model	DX79SI
Category	Motherboard
Language	English