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  2. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Steady, short beeps Power supply may be bad Long continuous beep tone Memory failure Steady, long beeps Power supply bad No beep Power supply bad, system not plugged in, or power not turned on No beep If everything seems to be functioning correctly there may be a problem with the 'beeper' itself. The system will normally beep one short beep.

  3. ST-506/ST-412 - Wikipedia

    en.wikipedia.org/wiki/ST-506/ST-412

    The ST-506 and ST-412 (sometimes written ST506 and ST412 [1]) were early hard disk drive products introduced by Seagate in 1980 and 1981 respectively, [1] that later became construed as hard disk drive interfaces: the ST-506 disk interface and the ST-412 disk interface. Introduced in 1980, the ST-506 was the first 5.25 inch HDD.

  4. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields , or suffering a sharp impact or ...

  5. Hard disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_interface

    The 3333 was the first unit in a string of up to eight 3330 type hard disk drives; it contained a CTL-I controller and two 3330 type disk drives. Subsequently, the first drive (containing a CTL-I controller) in a string of drives was designated by IBM as an A-unit. [5]

  6. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    Two 2.5" external USB hard drives Seagate Hard Drive with a controller board to convert SATA to USB, FireWire, and eSATA Current external hard disk drives typically connect via USB-C; earlier models use USB-B (sometimes with using of a pair of ports for better bandwidth) or (rarely) eSATA connection. Variants using USB 2.0 interface generally ...

  7. Western Digital My Book - Wikipedia

    en.wikipedia.org/wiki/Western_Digital_My_Book

    Western Digital My Book external hard drive. My Book is a series of external hard drives produced by Western Digital.There are at least nine series of My Book drives: Essential Edition, Home Edition, Office Edition, Mirror Edition, Studio Edition, Premium Edition, Elite Edition, Pro Edition, AV DVR "Live Edition", and the World Edition.

  8. Removable media - Wikipedia

    en.wikipedia.org/wiki/Removable_media

    Examples of removable media that are standalone plug-and-play devices that carry their own reader hardwares include: USB flash drives [5] Portable storage devices. Dedicated external solid-state drives (SSD) Enclosured mass storage drives, i.e. modified hard disk drives (HDD)/internal SSDs; Peripheral devices that have integrated data storage ...

  9. eSATAp - Wikipedia

    en.wikipedia.org/wiki/ESATAp

    If the smaller side of this cable is plugged into a "powered" ESATA port, providing both 12 V and 5 V, then the wide end may be plugged into a 2.5" or 3.5" SATA hard drive, supplying the bare drive with both signal and power.