Where Are I/o Controller Hubs Listed In Windows 10

Family of Intel southbridge microchips

I/O Controller Hub (ICH) is a family of Intel southbridge microchips used to manage data communications betwixt a CPU and a motherboard, specifically Intel chipsets based on the Intel Hub Architecture. It is designed to exist paired with a second support chip known as a northbridge. As with any other southbridge, the ICH is used to connect and command peripheral devices.

As CPU speeds increased data transmission between the CPU and back up chipset, the support chipset somewhen emerged equally a bottleneck between the processor and the motherboard. Accordingly, starting with the Intel 5 Series, a new compages was used that incorporated some functions of the traditional north and s bridge chips onto the CPU itself, with the remaining functions being consolidated into a single Platform Controller Hub (PCH). This replaces the traditional two chip setup.

ICH [edit]

The first version of the ICH was released in June 1999 along with the Intel 810 northbridge. While its predecessor, the PIIX, was connected to the northbridge through an internal PCI bus with a bandwidth of 133 MB/southward, the ICH used a proprietary interface (chosen by Intel Hub Interface) that linked it to the northbridge through an 8-bit wide, 266 MB/south bus.

The Hub Interface was a point-to-point connection between different components on the motherboard. Some other design determination was to substitute the rigid N-S centrality on the motherboard with a star construction.

Note that, along with the ICH, Intel evolved other uses of the "Hub" terminology. Thus, the northbridge became the Retentiveness Controller Hub (MCH) or if it had integrated graphics (e.k., Intel 810), the Graphics and Memory Controller Hub (GMCH).

Other ICH features include:

PCI Rev ii.two compliant with support for 33 MHz PCI operations.
Advanced Configuration and Power Interface (ACPI) Back up
Integrated IDE controller for Ultra ATA support
Integrated I/O APIC supporting 24 interrupt sources
System Management Bus (SMBus) with support for I²C devices
AC'97 2.1 Compliant Link
Low Pivot Count (LPC) interface

The ICH came in ii flavors:

82801AA (ICH) - Ultra ATA/66 back up, 6 PCI slots, Alarm on LAN support
82801AB (ICH0) - Ultra ATA/33 support, four PCI slots, no Alert on LAN

ICH2 [edit]

In early on 2000 Intel had suffered a significant setback with the i820 northbridge. Customers were not willing to pay the high prices for RDRAM and either bought i810 or i440BX motherboards or changed to the contest. The hastily adult 82815 northbridge, which supported PC-133 SDRAM, became Intel'south method to recover in the middle range segment.

The ICH1 or the new ICH2 (360 pins) could be placed to the side of the 82815. An ICH2 could too be used with Intel's 82850 chipset, which, similar the 82820 before it, required the employ of RDRAM and supported the Pentium four CPU. For the first time a Fast Ethernet flake (82559) was integrated into the southbridge, depending upon an external PHY chip.

The PATA interface was accelerated to ATA/100 and the number of USB connections was doubled to four. The integrated Air conditioning'97 sound controller gained support for up to 6 channel audio.

There was besides a mobile variant chosen the ICH2-1000.

The following variants existed:

82801BA (ICH2)
82801BAM (ICH2-M) Mobile

ICH3 [edit]

In 2001, Intel delivered ICH3, which was available in ii versions: the server version, ICH3-S, running with the E7501 Northbridge, and the mobile version, ICH3-1000, which worked with the i830 and i845 northbridges. There is no version for desktop motherboards.

In comparing with the ICH2, the changes were limited: "Native Way" back up in the PATA Controller; up to six USB-one.1 devices; SMBus 2.0; and the newest SpeedStep version, which allowed power-saving devices to be switched off during operation. The bit had 421 pins.

This has the following variants:

82801CA (ICH3-S) Server
82801CAM (ICH3-Yard) Mobile

ICH4 [edit]

The ICH4 was Intel's southbridge for the year 2002. The nearly important innovation was the support of USB ii.0 on all six ports. Audio support was improved and corresponded the newest AC'97 specification, version 2.3. Like the preceding generation, the ICH4 had 421 pins.

This has the post-obit variants:

82801DB (ICH4) Base of operations
82801DBM (ICH4-1000) Base Mobile

ICH5 [edit]

In 2003, and in conjunction with the i865 and i875 northbridges, the ICH5 was created. A SATA host controller was integrated. The ICH5R variant additionally supported RAID 0 on SATA ports. Viii USB-2.0 ports were available. The fleck had total support for ACPI 2.0. It had 460 pins.

Since 1999 the 266 MB/south hub interface was assumed to be a bottleneck. In the new fleck generation, Intel therefore offered an optional port for a Gigabit Ethernet Controller direct attached to the MCH.

The goal of this CSA technology was to reduce the latencies for Gigabit LAN by straight memory access and to complimentary up bandwidth on the Hub interface between ICH and MCH for non removable disk and PCI information traffic.

Since mid-2004, the large motherboard manufacturers noticed an increased complaint ratio with motherboards equipped with ICH5. A cause was the insufficient ESD tolerance of certain ICH5 steppings.

In detail, when connecting USB devices via front end panels, the chips died past discharges of static electricity. Intel reacted to the problem past shipping ICH5 with increased ESD tolerance. Effective ESD preventive measures on USB ports are difficult and costly, since they can impair the quality of the USB-two.0 high-speed signals. Many motherboard manufacturers had omitted the necessary high-quality condom devices for front panel connectors for cost reasons.

This has the following variants:

82801E (C-ICH) Communications
82801EB (ICH5) Base
82801ER (ICH5R) RAID
82801EBM (ICH5-One thousand) Base Mobile
6300ESB (ESB) Enterprise Southbridge

ICH6 [edit]

ICH6 was Intel'south first PCI Express southbridge. It fabricated four PCI Limited ×ane ports available. Faster ×16-Ports were accommodated in the MCH. The bottleneck Hub interface was replaced past a new Direct Media Interface (in reality a PCI Express ×4 link) with 1 GB/s of bandwidth per direction. Support for Intel High Definition Audio was included. In addition, AC'97 and the classical PCI two.3 were still supported.

Two additional SATA ports were added, and one PATA aqueduct was removed. The ICH6R variant supported RAID modes 0, 1, 0+1 and the Intel specific "Matrix RAID".

ICH6R and ICH6-M implemented AHCI SATA controllers for the start time. The chips had 652 pins. Originally Intel had planned to bring two farther variants nether the names ICH6W and ICH6RW to the marketplace, which should incorporate a software Access Point for a Wireless LAN. These chips are published.

This has the post-obit variants:

82801FB (ICH6) Base
82801FR (ICH6R) RAID
82801FBM (ICH6M) Base Mobile
6311ESB (ESB2) Enterprise Southbridge
6321ESB (ESB2) Enterprise Southbridge with integrated LAN for embedded

ICH7 [edit]

The ICH7 started to ship in mid-2005 together with Intel'due south new high-cease MCH, the i955X. Two additional PCI express ×1-Ports, a SATA two.0 Controller for up to 300 MB/s data transmission rate (the mobile version has this capability disabled), every bit well as back up for Intel's "Active Management Technology" were added. Simply the ICH7DH, ICH7R, ICH7-M, ICH7-Thou DH chip have AHCI back up. The ICH7 (Base) and ICH7-U (Ultra-mobile) scrap do not support AHCI.

The ICH7R additionally supports RAID 5.

This has the following variants:

82801GB (ICH7) Base
82801GR (ICH7R) RAID
82801GDH (ICH7DH) Digital Habitation
82801GBM (ICH7M) Mobile
82801GHM (ICH7M DH) Mobile Digital Home
PC82801GU (ICH7-U) Ultra-mobile

ICH8 [edit]

ICH8 is offered in several different versions and is the complement to the 965 class MCH chips. The not-mobile ICH8 does non have a traditional PATA interface, and merely 1 Air-conditioning'97. In practice, near baseboard manufacturers still offered PATA advisable connection types using additional fries from manufacturers such as JMicron or Marvell.

The ICH8 was the first ICH model to command eSATA and Gigabit Ethernet, which were previously accommodated in the MCH. The base version only includes four SATA 2.0 ports.

The ICH8R (RAID) and above fries support half dozen SATA devices. Additionally the ICH8DH (Digital Home) has Quick Resume and can be used together with the P965 and/or G965 in Intel Viiv-certified systems.

The counterpart to the ICH8DO (Digital Office) is the Q965 MCH, which together provide Intel vPro compatibility.

This has the post-obit variants:

82801HB (ICH8) Base of operations
82801HR (ICH8R) RAID
82801HH (ICH8DH) Digital Home
82801HO (ICH8DO) Digital Part
82801HM (ICH8M) Mobile
82801HBM (ICH8BM) Base Mobile
82801HEM (ICH8EM) Enhanced Mobile

ICH9 [edit]

The ICH9 came out in May 2007 in the P35 (Bearlake) chipset. Information technology removes all PATA back up. In exercise, many motherboard manufacturers go along providing PATA support using third-political party chips. Officially merely the ICH9R, ICH9DH, ICH9DO chip have AHCI support.

This function has the following variants:

82801IB (ICH9) Base of operations officially has neither AHCI or RAID support, but with a simple BIOS mod can add support for AHCI. ^[1]
82801IR (ICH9R) RAID with AHCI and RAID Support
82801IH (ICH9DH) Digital Home with AHCI and no RAID Support
82801IO (ICH9DO) Digital Office with AHCI and RAID Back up
82801IBM (ICH9M) Base Mobile
82801IEM (ICH9EM) Enhanced Mobile
82801IUX (ICH9M-SFF) Ultra Mobile

ICH10 [edit]

Intel launched the ICH10 southbridge in June 2008 with the P45 (Eaglelake) chipset.

ICH10 implements the 1GB/s bidirectional DMI interface to the "northbridge" device. It supports diverse interfaces to "low-speed" peripherals, and information technology supports a suite of housekeeping functions.

ICH10 likewise offers reduced load on CPU and decreased ability consumption.

ICH10 does non offer direct PATA or LPT back up. Notably at that place is support of 'hot-bandy' functionality.

The RAID variant also supports a new technology chosen "Turbo Retention". This allows the utilize of flash memory on a motherboard for fast caching.

Peripheral back up includes:

Six PCIe version 1.i ports, which tin can be configured as either 2 + (4 ×ane) or ii + (ane ×iv).
PCI bus
Six SATA 3 Gbit/south ports in either legacy IDE or AHCI mode. Can back up external eSATA
Intel High Definition Sound
Integrated gigabit LAN.
Two EHCI host controllers (which back up up to twelve USB 2.0 connections) with companion UHCI controllers to handle depression-speed and full-speed USB devices

This part has the post-obit variants:

82801JB (ICH10) Base
82801JR (ICH10R) RAID
82801JH (ICH10D) Digital Home
82801JO (ICH10DO) Digital Office

PCH compages [edit]

As CPU speeds increased, a clogging eventually emerged betwixt the processor and the motherboard, due to limitations caused by data manual between the CPU and southbridge. Accordingly, starting with the Intel 5 Serial, a new compages was used where some functions of the north and south span fries were moved to the CPU, and others were consolidated into a Platform Controller Hub (PCH).

Some northbridge functions, including the memory controller, the integrated GPU (Intel HD Graphics), the graphics card interface (PCIe x16), were integrated into the CPU, while the PCH took over the remaining functions in addition to the traditional roles of the southbridge. The northbridge was therefore eliminated.
Other northbridge functions and all southbridge functions were migrated to a new Platform Controller Hub. These included clocking (the system clock), Flexible Display Interface (FDI) and Direct Media Interface (DMI). The FDI is only used when the chipset requires supporting a CPU with integrated graphics.

See too [edit]

List of Intel chipsets
Platform Controller Hub (PCH)
Organization Controller Hub (SCH)
PCI IDE ISA Xcelerator (PIIX)
Northbridge (calculating)
Southbridge (calculating)

References [edit]

^ "[solved] How to add together AHCI mod to ASUS "P5K SE" bios non EPU ?". www.bios-mods.com . Retrieved 2016-ten-22 .

Intel 82801AA (ICH) and Intel 82801AB (ICH0) I/O Controller Hub
Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub two Mobile (ICH2-M) Datasheet
Intel 82801CA I/O Controller Hub 3 (ICH3-South) Datasheet
Intel 82801CAM I/O Controller Hub 3 (ICH3-M) Datasheet
Intel 82801DB I/O Controller Hub iv (ICH4) Datasheet
Intel 82801DBM I/O Controller Hub iv Mobile (ICH4-K) Datasheet
Intel 82801E Communications I/O Controller Hub (C-ICH) Datasheet
Intel 82801EB I/O Controller Hub 5 (ICH5) and Intel 82801ER I/O Controller Hub 5 R (ICH5R) Datasheet
Intel 6300ESB I/O Controller Datasheet
Intel I/O Controller Hub 6 (ICH6) Family unit Datasheet
Intel 631xESB/632xESB I/O Controller Hub Datasheet
Intel I/O Controller Hub 7 (ICH7) Family unit Datasheet
Intel I/O Controller Hub 8 (ICH8) Family Datasheet
Intel I/O Controller Hub 9 (ICH9) Family Datasheet
Intel I/O Controller Hub ten (ICH10) Family Datasheet
Intel I/O Controller Hub 10 (ICH10) Family unit Specification Update