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X-Hacker.org- BIOS ref. - <b>0040h:0012h reserved (post status on pc convertible)</b> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
0040h:0012h           Reserved (POST Status on PC Convertible)

    Length: 1 byte

    This byte is reserved by all machines but the PC Convertible and
    the PCjr. The PC Convertible uses it to hold the status of the
    POST (Power-on Self Test) operation. The PCjr uses it to count the
    number of keyboard transmission errors encountered in the infrared
    link.

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