Intel 82801g(ICH7) I O Controller Hub AC97 Audio

Intel 82801g(ICH7) I O Controller Hub AC97 Audio

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What is Intel 82801g(ICH7) I O Controller Hub and How Does It Support AC97 Audio

Intel 82801g(ICH7) I O Controller Hub is a component of the Intel I/O Controller Hub 7 (ICH7) Family, which is a set of integrated circuits that provide the interface between the processor, memory, and peripheral devices on a motherboard. The Intel 82801g(ICH7) I O Controller Hub supports various features, such as PCI Express*, USB, IDE, AHCI, SATA, Intel High Definition Audio (Intel HD Audio), AC â97, SMBus, PCI, ACPI, and LPC[^1^].

One of the features that the Intel 82801g(ICH7) I O Controller Hub supports is AC97 audio, which is a standard for audio codecs that can be used to provide analog and digital audio signals to and from the computer. AC97 audio is compatible with Intel HD Audio, which is a newer and more advanced standard for audio codecs that can deliver higher quality and more channels of sound[^2^]. The Intel 82801g(ICH7) I O Controller Hub contains a set of DMA engines that are used to move samples of digitally encoded data between system memory and external codecs[^2^].

The Intel 82801g(ICH7) I O Controller Hub can help reduce system noise and heat through more intelligent fan speed control algorithms. It also supports Intel Quiet System Technology, which can adjust the fan speed according to the system temperature and workload[^3^]. The Intel 82801g(ICH7) I O Controller Hub can provide a high-performance and low-power solution for various applications, such as desktops, servers, workstations, mobile devices, and digital home devices[^1^].

The Intel 82801g(ICH7) I O Controller Hub supports PCI Express*, which is a high-speed serial interconnect technology that can connect multiple devices on a motherboard or an expansion card. PCI Express* can provide higher bandwidth and lower latency than the previous PCI and PCI-X standards. The Intel 82801g(ICH7) I O Controller Hub supports up to six PCI Express* ports, each with one or two lanes, depending on the configuration.

The Intel 82801g(ICH7) I O Controller Hub also supports USB, which is a universal serial bus that can connect various peripheral devices to the computer, such as keyboards, mice, printers, scanners, cameras, flash drives, and external hard drives. The Intel 82801g(ICH7) I O Controller Hub supports up to eight USB 2.0 ports, which can provide data transfer rates of up to 480 Mbps. The Intel 82801g(ICH7) I O Controller Hub also supports USB Enhanced Host Controller Interface (EHCI), which is a specification that defines the interface between the USB host controller and the software driver.

Another feature that the Intel 82801g(ICH7) I O Controller Hub supports is SATA, which is a serial interface that can connect hard disk drives, optical drives, and solid state drives to the computer. SATA can provide faster data transfer rates and better performance than the previous IDE and Parallel ATA standards. The Intel 82801g(ICH7) I O Controller Hub supports up to four SATA ports, which can operate at 1.5 Gbps or 3.0 Gbps, depending on the device. The Intel 82801g(ICH7) I O Controller Hub also supports Advanced Host Controller Interface (AHCI), which is a specification that defines the interface between the SATA host controller and the software driver. 061ffe29dd