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Intel chipsets, introduced circa 2008. It intel Cougar Point PCh Smbus Controller the successor to the previous Intel Hub Architecture, which used a northbridge and southbridge instead, and first appeared in the Intel 5 Series.
The PCH controls certain data paths and support functions used in conjunction with Intel CPUs. FDI is only used when the chipset is required to support a processor with integrated graphics. O functions are reassigned between this new central hub and the CPU compared to the previous architecture: some northbridge functions, the memory controller and PCI-e lanes, were integrated into the CPU while the PCH took over the remaining functions in addition to the traditional roles of the southbridge. The PCH architecture supersedes Intel’s previous Hub Architecture, with its design addressing the eventual problematic performance bottleneck between the processor and the motherboard.
Under the Hub Architecture, a motherboard would have a two piece chipset consisting of a northbridge chip and a southbridge chip. As a solution to the bottleneck, several functions belonging to the traditional northbridge and southbridge chipsets were rearranged. The northbridge is now eliminated completely and its functions, the memory controller and PCI Express lanes for expansion cards, are now incorporated into the CPU die or package.
The system clock was previously a connection and is now fused in with the PCH. The FDI is only used when the chipset requires supporting a processor with integrated graphics. The Intel Management Engine was also moved to the PCH starting with the Nehalem processors and 5-Series chipsets. With the northbridge functions integrated to the CPU, much of the bandwidth needed for chipsets is now relieved.
This style began in Nehalem and will remain for the foreseeable future, through Cannonlake. However, a fully integrated voltage regulator will be absent until Cannonlake.
The Intel 5 Series chipsets were the first to introduce a PCH. This first PCH is codenamed Ibex Peak.
This can happen when AC power is removed after entering ACPI S4. This can happen when AC power and battery are removed after entering ACPI S4. Tiger Point is the codename of a PCH in the Pine Trail netbook platform chipset for Atom Pineview microprocessors.
Topcliff is the codename of a PCH in the Queens Bay embedded platform chipset for Atom Tunnel Creek microprocessors. It is most closely associated with Sandy Bridge processors.
This section’s factual accuracy may be compromised due to out-of-date information. Please update this article to reflect recent events or newly available information. In the first month after Intel Cougar Point PCh Smbus Controller Point’s release, January 2011, Intel posted a press release stating a design error had been discovered.
PLL clocking tree was receiving too high voltage. SATA ports, commonly used for storage devices such as hard drives and optical drives.
Whitney Point is the codename of a PCH in the Oak Trail tablet platform for Atom Lincroft microprocessors. Panther Point is the codename of a PCH in Intel 7 Series chipsets for mobile and desktop. It is most closely associated with Ivy Bridge processors.
These chipsets have integrated USB 3. It was initially launched in 2011 as part of Intel X79 for the desktop enthusiast Sandy Bridge-E processors in Waimea Bay platforms.
Patsburg, typically with a BIOS update. Coleto Creek is the codename of the PCH most closely associated with Highland Forest platforms and Ivy Bridge-EP processors.
For the cat coloration, see Lynx point. Lynx Point is the codename of a PCH in Intel 8 Series chipsets, most closely associated with Haswell processors with LGA 1150 socket. A design flaw causes devices connected to the Lynx Point’s integrated USB 3. USB devices to be reconnected although no data is lost.
This issue is corrected in C2 stepping level of the Lynx Point chipset. Generally similar to Patsburg, Wellsburg consumes only up to 7 W when fully loaded. 69XX processors but it is compatible with LGA 2011-3 Xeons. Sunrise Point is the codename of a PCH in Intel 100 Series chipsets, most closely associated with Skylake processors with LGA 1151 socket.