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  2. Power-on self-test - Wikipedia

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

    During the POST, the BIOS must integrate multiple competing, changing, and even mutually exclusive standards and initiatives for the matrix of hardware and operating systems the PC is expected to support, although at most only simple memory tests and the setup screen are displayed.

  3. Machine-check exception - Wikipedia

    en.wikipedia.org/wiki/Machine-check_exception

    A failing motherboard or processor can be identified by swapping them with functioning parts. Memory can be checked by booting to a diagnostic tool, like memtest86. Non-essential failing I/O devices and controllers can be identified by unplugging them if possible or disabling the devices to see if the problem disappears.

  4. POST card - Wikipedia

    en.wikipedia.org/wiki/POST_card

    Some motherboards have a built-in display to diagnose hardware problems. Most also report POST errors with audible beeps, if a PC speaker is attached. Such motherboards make POST cards less necessary. When these diagnostic cards were first introduced motherboards were expensive and well worth troubleshooting and repairing.

  5. Why is my computer so slow? - AOL

    www.aol.com/products/blog/why-is-my-computer-so-slow

    Faulty Hardware Components: Any malfunctioning hardware component, such as a faulty motherboard, power supply unit (PSU) or peripheral device (e.g., mouse, keyboard), can cause slow performance or ...

  6. Power good signal - Wikipedia

    en.wikipedia.org/wiki/Power_good_signal

    The Power Good signal (power-good) is a signal provided by a computer power supply to indicate to the motherboard that all of the voltages are within specification and that the system may proceed to boot and operate.

  7. Memory Reference Code - Wikipedia

    en.wikipedia.org/wiki/Memory_Reference_Code

    As such, the MRC is a part of the BIOS (or firmware) of an Intel motherboard. George Chen, a research and development (R&D) director at ASUS, described it in 2007 as follows: [1] The MRC is part of reference BIOS code, which relates to memory initialization in the BIOS.

  8. Logic built-in self-test - Wikipedia

    en.wikipedia.org/wiki/Logic_built-in_self-test

    The main advantage of LBIST is the ability to test internal circuits having no direct connections to external pins, and thus unreachable by external automated test equipment. Another advantage is the ability to trigger the LBIST of an integrated circuit while running a built-in self test or power-on self test of the finished product.

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