Desktop Board Features - Intel DX79SI Product Manual

1 Desktop Board Features

This chapter briefly describes the features of Intel
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
Processor
Main Memory
Chipset
Graphics
Audio
Expansion
Capabilities
Legacy I/O Support
ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters
[9.60 inches])
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Support for Intel Core™ i7 and Intel
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
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)
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Intel X79 Express Chipset consisting of the Intel
Controller Hub (PCH)
Support for multiple PCI Express* graphics cards including linked cards
using Nvidia* SLI* technology and AMD* CrossFire X* technology
• Independent multi-streaming 8-channel (7.1) audio and 2-channel
audio subsystem, featuring:
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― 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
• 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
Nuvoton* Legacy I/O Controller that provides Consumer Infrared (CIR)
support
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Desktop Board DX79SI. Table 1
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Xeon processors in the
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X79 Platform
continued
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