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  1. #1
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    During a computer's Post, is this the correct order it takes RAM, disk drives, peripheral devices and other hardware components? If not, what would it be please? I appreciate any help.

    tia

  2. #2
    Second Most EVIL YARDofSTUF's Avatar
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    http://www.computerhope.com/beep.htm#02


    THE POST TEST

    Each time the computer boots up the computer must past the POST. Below is the common procedure of the POST:
    1. The first step of POST is the testing of the Power Supply to ensure that it is turned on and that it releases its reset signal.
    2. CPU must exit the reset status mode and thereafter be able to execute instructions.
    3. BIOS must be readable.
    4. BIOS checksum must be valid, meaning that it must be readable.
    5. CMOS be accessible for reading.
    6. CMOS checksum must be valid, meaning that it must be readable.
    7. CPU must be able to read all forms of memory such as the memory controller, memory bus, and memory module.
    8. The first 64KB of memory must be operational and have the capability to be read and written to and from, and capable of containing the POST code.
    9. I/O bus / controller must be accessible.
    10. I/O bus must be able to write / read from the video subsystem and be able to read all video RAM..

    If the computer does not pass any of the above tests, your computer will receive an irregular POST. An irregular POST is a beep code which is different from the standard, which can be either no beeps at all or a combination of different beeps indicating what is causing the computer not to past the POST.

  3. #3
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    thanks YOS

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