Intel Xeon chipsets

Around the time that the Pentium III processor was introduced, Intel's Xeon line diverged from its line of desktop processors, which at the time was using the Pentium branding.

The divergence was implemented by using different sockets; since then, the sockets for Xeon chips have tended to remain constant across several generations of implementation.

The chipsets contain a 'memory controller hub' and an 'I/O controller hub', which tend to be called 'north bridge' and 'south bridge' respectively. The memory controller hub connects to the processors, memory, high-speed I/O such as PCI Express, and to the I/O controller hub by a proprietary link. The I/O controller hub on the other hand, connects to lower-speed I/O, such as hard discs, PCI slots, USB and Ethernet.

P6-based Xeon chipsets

Dual processor P6-based Xeon chipsets

Intel's initial preferred chipset for Pentium III Xeon was the 840.

Product name	Codename	Processor FSB supported	Memory type supported	High-speed interfaces provided	Preferred IOCH
440GX AGPset	Marlinespike	100	One 72-bit-wide channel of SDRAM, with ECC; up to four DIMMs		PIIX4E
840	Carmel	100 or 133	Two channels RDRAM, two RIMMs per channel

Four processor P6-based Xeon chipsets

The Pentium III Xeon bus protocol allowed four processors on the same bus, so the 440GX AGPset could be used in four-CPU systems; the limit of 2GB of main memory remained. These support Slot 2.

There was also the 450NX PCIset, which consisted of several chips: a single 82451NX Memory and IO Bridge Controller roughly analogous to the North Bridge, up to two 82454NX PCI Expander Bridges which converted the protocol used by 451NX to two 32-bit PCI33 or one 64-bit PCI33 bus, along with up to two memory cards each equipped with one 82452NX RAS/CAS Generator chip and two 82453NX Data Path Multiplexer chips. It supported PIIX3 and PIIX4E south bridges, and EDO DRAM.

Eight processor P6-based Xeon chipset

In August 1999 Intel began shipping the Profusion PCIset.^[1] The chipset was based on technology developed by the Corollary company, which Intel acquired.^[2] It supported up to 8 Pentium III Xeon processors on two busses and maintained cache coherency between them.^[3]^[4]^[5] Profusion supported up to 32 GB of memory. It saw some limited competition from the NEC Aqua II chipset.^[6] Another minor player in the eight-way space was Axil Computer's NX801,^[2] which was used in an 8-way (two buses) Pentium Pro design, commercialized by Data General as their AV-8600 computer.^[7]

NetBurst-based Xeon chipsets

Dual processor NetBurst-based Xeon chipsets

E7500 corresponded to the first Northwood-based Pentium4 Xeons, E7501 is essentially identical but supports faster FSB and memory. The E7320, E7520 and E7525 chipsets correspond to Prescott-based Pentium4 Xeons, and differ mainly in their PCI Express support. These support Socket 604.

Product name	Codename	Processor FSB supported	Memory type supported	High-speed interfaces provided	Preferred IOCH
E7205	Granite Bay	400 or 533 MHz	Two channels of DDR at 100 MHz or 133 MHz	AGP 8× port, single 32-bit 33 MHz PCI bus, 266 MHz 8-bit hub interface for ICH4	ICH4
E7210^[8]	Canterwood-ES	400 MT/s, 533 MT/s or 800 MT/s	Two channels of unbuffered ECC and non-ECC DDR DIMMs (registered ECC is not supported) at 133 MHz, 166 MHz or 200 MHz (DDR-266/333/400)	66 MHz CSA interface for Gigabit LAN. MCH is connected to ICH via 66 MHz 8-bit (266 MT/s) Hub Interface v1.5. A 6300ESB ICH provides up to four 32-bit and/or 64-bit PCI-X at 33 or 66 MHz. Intel E7210 is server variant of 875P (Socket 478) without AGP, it can be used in dual Socket 604 configurations.^[9]	6300ESB
E7320^[10]	Lindenhurst VS	800 MHz	Two channels of registered DDR-333 or DDR2-400 SDRAM	One ×8 PCI Express interface with max theoretical bandwidth of 4 GB/s, which may be configured as two ×4 PCIe interfaces. A 6700PXH provides PCI-X 32-bit and/or 64-bit interfaces at 33 MHz, 66 MHz, 100 MHz, and 133 MHz.	6300ESB, or 82801ER (ICH5R)
E7500	Plumas	400 MHz	Two channels of ECC DDR SDRAM at 100 MHz (3.2GB/s peak)	Three ECC 1GB/s (66 MHz ×8, 16-bit) 'Hub Interface' channels, which connect to 82870P2 chips to provide two 64-bit 66 MHz PCI or PCI-X buses each, plus one ECC 533MB/s (66 MHz ×4) connector for ICH3-S	ICH3-S
E7501	Plumas	533 MHz	Two channels of ECC DDR SDRAM at 133 MHz (4.2GB/s peak)	Three ECC 1GB/s (66 MHz ×8, 16-bit) 'Hub Interface' channels, which connect to 82870P2 chips to provide two 64-bit 66 MHz PCI or PCI-X buses each, plus one ECC 533MB/s (66 MHz ×4) connector for ICH3-S	ICH3-S
E7505	Placer^[11]	533 MHz	Two channels of ECC DDR SDRAM at 133 MHz (4.2GB/s peak)	AGP 8× port, three ECC 1GB/s (66 MHz ×8, 16-bit) 'Hub Interface' channels, which connect to 82870P2 chips to provide two 64-bit 66 MHz PCI or PCI-X buses each, plus one ECC 533MB/s (66 MHz ×4) connector for ICH4	ICH4
E7520^[12]	Lindenhurst	800 MHz	Two channels of registered DDR-333 or DDR2-400 SDRAM	Three ×8 PCI Express interfaces each with max theoretical bandwidth of 4 GB/s, which may be configured as two ×4 PCIe interfaces. A 6700PXH provides PCI-X 32-bit and/or 64-bit interfaces at 33 MHz, 66 MHz, 100 MHz, and 133 MHz.	6300ESB, or 82801ER (ICH5R)
E7525^[13]	Tumwater	800 MHz	Two channels of registered DDR-333 or DDR2-400 SDRAM	One ×16 and one ×8 PCI Express interface. A 6700PXH can be attached.	6300ESB, or 82801ER (ICH5R)

Note that the 82870P2 chips mentioned above were initially designed for the Intel 870 chipset for Itanium 2, and that the summary page of the E7320 datasheet incorrectly claims three PCI Express interfaces.

Quad processor NetBurst-based Xeon chipsets

Product name	Codename	Processor FSB supported	Memory type supported	High-speed interfaces provided	Preferred IOCH
E8500	Twin Castle	667 MHz	DDR-266, DDR-333 or DDR2-400	three ×8 and one ×4 PCI Express interface	82801EB (ICH5), or 82801ER (ICH5R)
E8501	Twin Castle	667 and 800 MHz	DDR2-400		82801EB (ICH5), or 82801ER (ICH5R)

Core-based Xeon chipsets

Single processor Core-based Xeon chipsets

Product name	Codename	Processor FSB supported	Memory type supported	High-speed interfaces provided	Preferred IOCH
3000	Mukilteo	533 or 800 or 1066 MHz	Two channels of ECC DDR2-533 or DDR2-667	PCI Express ×8 port, single 32-bit 33 MHz PCI bus, DMI for ICH7	ICH7
3010	Mukilteo 2	533 or 800 or 1066 MHz	Two channels of ECC DDR2-533 or DDR2-667	PCI Express 1 ×16 or 2 ×8 ports, single 32-bit 33 MHz PCI bus, DMI for ICH7	ICH7
3200	Bigby	800 or 1066 or 1333 MHz	Two channels of ECC DDR2-667 or DDR2-800	PCI Express ×8 port, single 32-bit 33 MHz PCI bus, DMI for ICH9	ICH9
3210	Bigby	800 or 1066 or 1333 MHz	Two channels of ECC DDR2-667 or DDR2-800	PCI Express 1 ×16 or 2 ×8 ports, single 32-bit 33 MHz PCI bus, DMI for ICH9	ICH9

Dual processor Core-based Xeon chipsets

These chipsets use a 'dual independent bus' design, in which each socket has its own connection to the chipset. These support LGA 771.

Product name	Codename	Processor FSB supported	Memory type supported	High-speed interfaces provided	Preferred IOCH
5000P	Blackford	1066, 1333	Four channels of FB-DIMM at 533 or 667 MHz	Two PCIe ×8 ports, plus two ×4 ports for communication with IOCH	631xESB or 632xESB
5000V	Blackford	1066, 1333	Two channels of FB-DIMM at 533 or 667 MHz	No PCI-e ports are exposed - connection is exclusively to the IOCH	631xESB or 632xESB
5000Z	Blackford	1066, 1333	Two channels of FB-DIMM at 533 or 667 MHz	One PCI-e ×8 port, plus two ×4 ports for communication with IOCH	631xESB or 632xESB
5000X	Greencreek	1066, 1333 (has a snoop filter, comprising about 1MB of SRAM, to keep cache coherency traffic between the two sockets from appearing on the external bus)	Four channels of FB-DIMM at 533 or 667 MHz	One PCI-e ×16 port	631xESB or 632xESB
5100	San Clemente	1066, 1333	Two channels of registered ECC DDR2	6 PCIe ×4 ports	631xESB or 632xESB
5400	Seaburg	1066, 1333, 1600; has a more advanced snoop filter than 5000X, comprising about 1.6MB of SRAM	Four channels of FB-DIMM at 533, 667 or 800 MHz	9 PCIe ×4 ports	631xESB or 632xESB

Four processor Core-based Xeon chipsets

This chipset uses four independent buses, and is used by the Tigerton and Dunnington processors.

Launch name	Codename	FSB speed	Memory speed	Fast I/O	IOCH
7300^[14]	Clarksboro	1066. Very sophisticated snoop filter, comprising 4.5MB of SRAM.	Four channels of FB-DIMM at 533 or 667 MHz	7 PCIe ×4 ports, of which two are usually used to connect to the IOCH	631x or 632x

Nehalem-based Xeon chipsets

Single processor Nehalem-based Xeon chipsets

The 3450 chipset is also compatible with an Intel Core i5 or Intel Core i3 processor.

Product name	Codename	DMI	Fast I/O	Other features
3400	Ibex Peak	1.0, 100 MHz	PCI Express 6 ×1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	8× USB 2.0, 4× SATA, Integrated LAN
3420	Ibex Peak	1.0, 100 MHz	PCI Express 8 ×1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	12× USB 2.0, 6× SATA, Integrated LAN
3450	Ibex Peak	1.0, 100 MHz	PCI Express 8 ×1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	14× USB 2.0, 6× SATA, Integrated LAN

Dual processor Nehalem-based Xeon chipsets

The Nehalem-based Xeons for dual-socket systems, initially launched as the Xeon 55xx series, feature a very different system structure: the memory controllers are on the CPU, and the CPUs can communicate with one another as peers without going via the chipset. This means that the 5500 and 5520 (initial codename Tylersburg-EP) chipsets are essentially QPI to PCI Express interfaces; the 5520 is more intended for graphical workstations and the 5500 for servers that do not need vast amounts of PCI Express connectivity

Launch name	Codename	QPI ports	QPI speed	Fast I/O	IOCH	Other features
5500	Tylersburg-24S, Tylersburg-24D^[15]	1, 2	4.8, 5.86 or 6.4 GT/s	1 ×16 PCIe Gen 2, 2 ×4 PCIe Gen 1 to talk to southbridge	ICH10 (ICH9 also possible)	Integrated Management Engine with its own 100 Mbit Ethernet ^[16]
5520	Tylersburg-36S, Tylersburg-36D	1, 2	4.8, 5.86 or 6.4 GT/s	2 ×16 PCIe Gen 2, 1 ×4 PCIe Gen 1 to talk to southbridge	ICH10 (ICH9 also possible)	Integrated Management Engine with its own 100 Mbit Ethernet^[16]

Four processor Nehalem-based Xeon chipsets

Launch name	Codename	QPI ports	QPI speed	Fast I/O	IOCH	Other features
7500	Boxboro	2	6.4 GT/s	2 ×16 PCIe Gen 2, 1 ×4 PCIe Gen 1 to talk to southbridge	ICH10 (ICH9 also possible)	Integrated Management Engine with its own 100 Mbit Ethernet

Sandy Bridge-based Xeon chipsets

Single processor Sandy Bridge-based Xeon chipsets

The Intel C200 series chipsets that support the Intel Xeon E3-1200 CPU family.^[17]^[18]

Product name	Codename	DMI	Fast I/O	Other features
C202	Cougar Point	2.0, 100 MHz	PCI Express 8 × 1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	12 × USB 2.0, 6 × SATA 1.5/3 Gbit/s, Integrated LAN
C204				12 × USB 2.0, 2 × SATA 1.5/3/6 Gbit/s + 4 × SATA 1.5/3 Gbit/s, Integrated LAN
C206				14 × USB 2.0, 2 × SATA 1.5/3/6 Gbit/s + 4 × SATA 1.5/3 Gbit/s, Integrated LAN, Integrated Graphics, Intel Anti-Theft Technology, Active Management Technology 7.0

Dual processor Sandy Bridge-based Xeon chipsets

The Intel C600 series chipsets support the Intel Xeon E5-2600 CPU family. Common to all C600 variants are the following features:

DMI interface to CPU at 20 GT/s
8 PCIe 2.0 (5 GT/s) lanes, configurable by the board manufacturer as 8×1, 4×2, 2×4, or 1×8.
2 SATA ports supporting 6/3/1.5 gigabaud operation
4 SATA ports supporting 3/1.5 gigabaud operation
one PCI 2.3 32-bit 33 MHz bus interface
14 USB 2.0 ports
single-port Gigabit Ethernet controller
Active Management Technology 7.0 and Anti-Theft Technology
HD Audio controller

Some chipset variants have additional mass storage interfaces:

Product name	Codename	additional mass storage capabilities
C602J	Patsburg	none
C602		4× SATA 1.5/3 gigabaud ports
C604		4× SAS/SATA 1.5/3 gigabaud ports
C606		8× SAS/SATA 1.5/3 gigabaud ports optionally through dedicated PCIe 2.0 ×4 (5 GT/s) interface, 1 additional SMBus
C608		8× SAS/SATA 1.5/3 gigabaud ports optionally through dedicated PCIe 2.0 ×4 (5 GT/s) interface, 2 additional SMBus

Dual processor Gladden/Sandy Bridge-EP/EN-based Xeon chipsets

The Intel Communications 8900 series chipsets that support the Gladden Intel Xeon E3-11xx^[19] or Sandy Bridge-EP/EN Intel Xeon E5-2xxx^[20] CPU families.

Product name	Codename	DMI	Fast I/O	Other features
DH8900	Cave Creek	2.0, 100 MHz	PCI Express 2.0 ×16 + PCI Express 1.0 4 × 1 ports, DMI for processor	6 × USB 2.0, 6 × SATA 1.5/3 Gbit/s, 4 × Integrated LAN
DH8903			PCI Express 2.0 ×8 + PCI Express 1.0 4 × 1 ports, DMI for processor	6 × USB 2.0, 2 × SATA 1.5/3 Gbit/s, 4 × Integrated LAN, 5 Gbit/s QuickAssist
DH8910			PCI Express 2.0 ×4 + PCI Express 1.0 4 × 1 ports, DMI for processor	6 × USB 2.0, 2 × SATA 1.5/3 Gbit/s, 4 × Integrated LAN, 10 Gbit/s QuickAssist
DH8920			PCI Express 2.0 ×4 + PCI Express 1.0 4 × 1 ports, DMI for processor	6 × USB 2.0, 2 × SATA 1.5/3 Gbit/s, 4 × Integrated LAN, 20 Gbit/s QuickAssist

Ivy Bridge-based Xeon chipsets

Single processor Ivy Bridge-based Xeon chipsets

The Intel C200 series chipsets that support the Intel Xeon E3-1200v2 CPU family.^[21]

Product name	Codename	DMI	Fast I/O	Other features
C216	Panther Point	2.0, 100 MHz	PCI Express 2.0 8 × 1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	4 × USB 3.0 + 14 × USB 2.0, 2 × SATA 1.5/3/6 Gbit/s + 4 × SATA 1.5/3 Gbit/s, Integrated LAN, Integrated Graphics, Intel Anti-Theft Technology, Active Management Technology 8.0

Haswell-based Xeon chipsets

Single processor Haswell-based Xeon chipsets

The Intel C220 series chipsets support the Intel Xeon E3-1200v3 CPU family.^[22]

Product name	Codename	DMI	Fast I/O	Other features
C222	Lynx Point	2.3, 100 MHz	Eight PCI Express 2.0 ×1 ports, single 32-bit 33 MHz PCI bus, DMI for processor	10 × USB 2.0/3.0, 2 × SATA 1.5/3/6 Gbit/s + 4 × SATA 1.5/3 Gbit/s, Integrated LAN, Integrated IDE, Rapid Storage Technology enterprise
C224				12 × USB 2.0/3.0, 4 × SATA 1.5/3/6 Gbit/s + 2 × SATA 1.5/3 Gbit/s, Integrated LAN, Integrated IDE, Rapid Storage Technology enterprise
C226				14 × USB 2.0/3.0, 6 × SATA 1.5/3/6 Gbit/s, Integrated LAN, Integrated Graphics, Rapid Storage Technology enterprise, Active Management Technology 9.0, Identity Protection Technology, VGA, Wireless Display

Skylake-based Xeon chipsets

Single processor Skylake-based Xeon chipsets

The Intel C230 series chipsets support the Intel Xeon E3-1200v5 CPU family.

Product name	Codename	DMI	Fast I/O	Other features
C232	Sunrise Point	3.0, 100 MHz	Max 8 Lanes PCIe 3.0 at x4, x2, x1 Configuration, DMI for processor	6× USB 3.0, 6x USB 2.0, 6x SATA 6 Gbit/s, M.2 & SATA Express support, integrated LAN, Rapid Storage Technology enterprise
C236			Max 20 Lanes PCIe 3.0 at x4, x2, x1 Configuration, DMI for processor	10× USB 3.0, 4x USB 2.0, 8x SATA 6 Gbit/s, M.2 & SATA Express support, integrated LAN, Rapid Storage Technology enterprise, 3x displays

References

↑ "1999 The Building Blocks of the Internet Economy" (PDF).
1 2 Axil Computer presses on with high-end Intel server designs. InfoWorld Media Group, Inc. 3 November 1997. p. 21. ISSN 0199-6649.
↑ "OPRF100 MP Board Set Technical Product Specification" (PDF).
↑ "Compaq 8-Way Multiprocessing Architecture" (PDF).
↑ "Profusion An 8-way Symmetric Multiprocessing Chipset" (PDF).
↑ Intel bounces NEC from Pentium III server party. Network World. 22 March 1999. p. 6. ISSN 0887-7661.
↑ Anura Guruge (17 May 2000). Web-to-Host Connectivity. CRC Press. p. 405. ISBN 978-0-203-99747-5.
↑ "Intel 875P MCH, E7210 MCH and Intel 6300ESB ICH Chipset Platform" (PDF). Intel. Retrieved 2016-07-16.
↑ "Asus NCCH-DR motherboard specifications". ASUSTeK Computer Inc. Retrieved 2016-07-16.
↑ http://www.intel.com/assets/pdf/datasheet/303007.pdf
↑ http://www.intel.com/Assets/PDF/datasheet/251932.pdf
↑ http://www.intel.com/assets/pdf/datasheet/303006.pdf
↑ http://www.intel.com/Assets/PDF/datasheet/302405.pdf
↑ http://www.intel.com/Assets/PDF/datasheet/318082.pdf
↑ http://www.guru3d.com/articles-pages/intel-x58-extreme-dx58so-motherboard-review,2.html
1 2 http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/5520-5500-chipset-ioh-datasheet.pdf
↑ Intel® 6 Series Chipset and Intel® C200 Series Chipset
↑ SemiAccurate: Intel’s C200 E3-series Xeon chipsets detailed by Lars-Göran Nilsson
↑ https://www-ssl.intel.com/content/www/us/en/intelligent-systems/crystal-forest-gladden/embedded-intel-xeon-core-pentium-celeron-with-intel-communications-chipset-89xx.html
↑ https://www-ssl.intel.com/content/www/us/en/intelligent-systems/crystal-forest-server/embedded-intel-xeon-e5-2600-and-e5-2400-series-with-intel-communications-chipset-89xx.html
↑ Intel® 7 Series / C216 Chipset Family Platform Controller Hub (PCH)
↑ Intel® 8 Series / C220 Series Chipset Family Platform Controller Hub (PCH)

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