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  2. Peripheral Component Interconnect - Wikipedia

    en.wikipedia.org/wiki/Peripheral_Component...

    Both PCI-X 1.0b and PCI-X 2.0 are backward compatible with some PCI standards. These revisions were used on server hardware but consumer PC hardware remained nearly all 32-bit, 33 MHz and 5 volt. The PCI-SIG introduced the serial PCI Express in c. 2004. Since then, motherboard manufacturers gradually included fewer or zero PCI slots in favor of ...

  3. I/O Controller Hub - Wikipedia

    en.wikipedia.org/wiki/I/O_Controller_Hub

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

  4. COM (hardware interface) - Wikipedia

    en.wikipedia.org/wiki/COM_(hardware_interface)

    IBM had called the four well-defined communication RS-232 ports the "COM" ports, starting from COM1 through COM4. In BASICA and PC DOS you can open these ports as "COM1:" through "COM4:", and all PC compatibles using MS-DOS used the same denotation. [citation needed] Most PC-compatible computers in the 1980s and 1990s had one or two COM ports.

  5. Advanced Communications Riser - Wikipedia

    en.wikipedia.org/wiki/Advanced_Communications_Riser

    The Advanced Communications Riser, or ACR, is a form factor and technical specification for PC motherboard expansion slots. [1] It is meant as a supplement to PCI slots, a replacement for the original Audio/modem riser (AMR) slots, and a competitor and alternative to Intel's communications and networking riser (CNR) slots.

  6. Message Signaled Interrupts - Wikipedia

    en.wikipedia.org/wiki/Message_Signaled_Interrupts

    On Intel systems, the LAPIC must be enabled for the PCI (and PCI Express) MSI/MSI-X to work, even on uniprocessor (single core) systems. [ 11 ] [ 12 ] In these systems, MSIs are handled by writing the interrupt vector directly into the LAPIC of the processor/core that needs to service the interrupt.

  7. Device driver - Wikipedia

    en.wikipedia.org/wiki/Device_driver

    Drivers that may be vulnerable include those for WiFi and Bluetooth, [19] [20] gaming/graphics drivers, [21] and drivers for printers. [ 22 ] There is a lack of effective kernel vulnerability detection tools, especially for closed-source OSes such as Microsoft Windows [ 23 ] where the source code of the device drivers is mostly proprietary and ...

  8. PCI Express - Wikipedia

    en.wikipedia.org/wiki/PCI_Express

    PCI Express Mini Card (also known as Mini PCI Express, Mini PCIe, Mini PCI-E, mPCIe, and PEM), based on PCI Express, is a replacement for the Mini PCI form factor. It is developed by the PCI-SIG . The host device supports both PCI Express and USB 2.0 connectivity, and each card may use either standard.

  9. PCI-X - Wikipedia

    en.wikipedia.org/wiki/PCI-X

    The PCI-X standard was developed jointly by IBM, HP, and Compaq and submitted for approval in 1998. It was an effort to codify proprietary server extensions to the PCI local bus to address several shortcomings in PCI, and increase performance of high bandwidth devices, such as Gigabit Ethernet, Fibre Channel, and Ultra3 SCSI cards, and allow processors to be interconnected in clusters.