Intel X79

The Intel X79 (codenamed Patsburg) is a Platform Controller Hub (PCH) designed and manufactured by Intel for their LGA 2011 (Socket R) and LGA 2011-1 (Socket R2).

Intel X79
Codename(s)Patsburg
CPU supportedIntel Core i7
(Sandy Bridge-E)
(Ivy Bridge-E)
Socket supportedLGA 2011 also known as socket LGA 2011-1 and Socket R
Fabrication process65 nm
TDP7.8 W
Miscellaneous
Release date(s)November 14, 2011
PredecessorIntel X58 (Uses CPU Socket LGA 1366)
SuccessorIntel X99 (Uses CPU Socket LGA 2011 V3)

Socket and chipset support CPUs targeted at the high-end desktop (HEDT) and enthusiast segments of the Intel product lineup: Core i7-branded and Xeon-branded processors from the Sandy Bridge and Ivy Bridge CPU architectures.[1]

The supported CPUs feature quad channel memory controllers, and a certain amount of PCIe lanes, the chipset features additional PCIe lanes; it is designed to connect an Intel processor through a DMI 2.0 interface to peripheral devices.

Features

The first product was announced on November 14, 2011, for "Extreme" CPUs using the LGA 2011 socket.[2]

Features include:

  • 2× Serial ATA (SATA) 3.0 (6Gbit/s) ports & 4x SATA 2 (3Gbit/s) ports.
  • 8× PCI Express 2.0 lanes [3]
  • 14 Universal Serial Bus (USB) 2.0 ports
  • Integrated Gigabit Ethernet MAC (Lewisville PHY)
  • Optional Intel Rapid Storage Technology enterprise 3.0
    • SATA RAID support (0/1/10/5)
    • Write journaling
  • 100 MHz BCLK
  • Supports processor, memory and chipset overclocking
  • Supports Intel Extreme Tuning Utility 3.0 (XTU)
  • 8-layer printed circuit board (PCB), 2 oz copper recommended

The X79 chipset is made to work with the Intel LGA 2011 (Socket R) which features 2011 copper pins. The added pins allow for more PCI Express lanes and interconnects for server class processors.

Newer Core and Xeon processors address 40 PCI Express 3.0 lanes directly through Sandy Bridge-E architecture (Xeon) and Ivy Bridge architecture (Core processors).[4][5][6]

Partial support for Windows XP

The X79 chipset does not support installing Windows XP in AHCI mode for Intel's Serial ATA controllers as Intel won't release AHCI drivers for 32-bit Windows XP.[7] Windows XP can be installed in IDE mode but without SATA features enabled. For users that dual boot Windows XP with another operating system installed in AHCI mode, this means changing to IDE mode every time to boot into Windows XP and changing back to SATA to boot the other OS, or installing the other OS which supports AHCI also in IDE mode to prevent switching the setting in the BIOS each time. This restriction applies only to 32-bit Windows XP; 64-bit Windows XP is supported by Intel drivers.

For motherboards with X79 chipset but with third party SATA disk controllers, 32-bit Windows XP AHCI drivers may still be supported by the disk controller vendor (non-Intel).

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See also

References
  1. "Intel's latest X79 Chipset". gamerzrepublic.com. May 25, 2010. Archived from the original on March 24, 2012. Retrieved May 25, 2011.
  2. "Intel Refreshes Ultimate Enthusiast Processor Lineup with Six-Core Offerings". News release. Intel. November 14, 2011. Retrieved November 14, 2011.
  3. "Intel® X79 Express Chipset (Intel® BD82X79 PCH)". official product information. Intel. Retrieved June 16, 2013.
  4. "Products (Formerly Sandy Bridge-EP)". official product information. Intel. Retrieved January 2, 2014.
  5. "Products (Formerly Sandy Bridge-EN)". official product information. Intel. Retrieved January 2, 2014.
  6. "Products (Formerly Ivy Bridge)". official product information. Intel. Retrieved January 2, 2014.
  7. Intel X79 SATA AHCI RAID Mode Notice Archived 2014-03-26 at Archive.today
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