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  2. Device Manager - Wikipedia

    en.wikipedia.org/wiki/Device_Manager

    Device Manager is a component of the Microsoft Windows operating system. It allows users to view and control the hardware attached to the computer. When a piece of hardware is not working, the offending hardware is highlighted for the user to deal with.

  3. Hard disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_interface

    Enhanced Small Disk Interface (ESDI) was an attempt to minimize controller design time by supporting multiple data rates with a standard data encoding scheme; this was usually negotiated automatically by the disk drive and controller; most of the time, however, 15 or 20 megabit ESDI disk drives were not downward compatible (i.e. a 15 or 20 ...

  4. Floppy disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_drive_interface

    Input 28 WPT# Write Protect 0=Write Protect Input 30 RDATA Read Data Input 32 HDSEL#/SIDE Head Select / Side select Two uses, see application or use for details. [clarification needed] (Side select:1=Side 0/0=Side 1) Output 34 DSKCHG# Disk Change 1=Disk Change/0=Ready Input 3 RSVD Reserved No connection or connect to the ground 5 N/C No connection

  5. Floppy-disk controller - Wikipedia

    en.wikipedia.org/wiki/Floppy-disk_controller

    A floppy-disk controller (FDC) is a hardware component that directs and controls reading from and writing to a computer's floppy disk drive (FDD). It has evolved from a discrete set of components on one or more circuit boards to a special-purpose integrated circuit (IC or "chip") or a component thereof.

  6. 32-bit disk access - Wikipedia

    en.wikipedia.org/wiki/32-bit_Disk_Access

    32-bit Disk Access (also known as FastDisk) refers to a special disk access and caching mode available in older, MS-DOS-based Microsoft Windows operating systems. It was a set of protected mode device drivers that worked together to take advantage of advanced disk I/O features in the system BIOS.

  7. Disk controller - Wikipedia

    en.wikipedia.org/wiki/Disk_controller

    A disk controller is a controller circuit that enables a CPU to communicate with a hard disk, floppy disk or other kind of disk drive. It also provides an interface between the disk drive and the bus connecting it to the rest of the system. [1] [2] Early disk controllers were identified by their storage methods and data encoding.

  8. Input/output - Wikipedia

    en.wikipedia.org/wiki/Input/output

    In computing, input/output (I/O, i/o, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, such as another computer system, peripherals, or a human operator. Inputs are the signals or data received by the system and outputs are the signals or data sent from it.

  9. Interrupt - Wikipedia

    en.wikipedia.org/wiki/Interrupt

    A hardware interrupt is a condition related to the state of the hardware that may be signaled by an external hardware device, e.g., an interrupt request (IRQ) line on a PC, or detected by devices embedded in processor logic (e.g., the CPU timer in IBM System/370), to communicate that the device needs attention from the operating system (OS) [7] or, if there is no OS, from the bare metal ...