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isadump (8)
  • >> isadump (8) ( Linux man: Команды системного администрирования )
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    NAME

    isadump - examine ISA registers
    

     

    SYNOPSIS

    isadump addrreg datareg [bank [bankreg]] (for I2C-like access)
    isadump -f address (for flat address space)

     

    DESCRIPTION

    isadump is a small helper program to examine registers visible through the ISA bus. It is intended to probe any chip that lives on the ISA bus working with an address register and a data register (I2C-like access) or a flat 256 bytes range.

     

    OPTIONS (I2C-like access mode)

    At least two options must be provided to isadump. addrreg contains the ISA address of the address register for the chip to probe; datareg contains the address of the data register. Both addresses are integers between 0x0000 and 0x3FFF. Usually, if the chip's base address is 0x0nn0, the address register is at 0x0nn5 and the data register is at 0x0nn6. The most common base address for hardware monitoring chips is 0x0290.

    The bank and bankreg parameters are useful on the W83781D and similar chips (at the time of writing, all Winbond and Asus chips). bank is an integer between 0 and 7, and bankreg is an integer between 0x00 and 0xFF (default value: 0x4E). The W83781D data sheet has more information on bank selection.

     

    OPTIONS (flat address space mode)

    In flat mode (triggered by the -f flag), only one parameter must be provided. address contains the ISA address of the address register for the chip to probe; it is an integer between 0x0000 and 0xFFFF.

     

    WARNING

    Poking around in ISA data space is extremely dangerous. Running isadump with random parameters can cause system crashes, data loss, and worse! Be extremely careful when using this program.

     

    CONFORMING TO

    lm_sensors-2.x

     

    SEE ALSO

    i2cdump(8)

     

    AUTHOR

    This manual page was originally written by David Z Maze <dmaze@debian.org> for the Debian GNU/Linux system. It was then reviewed by the lm_sensors team and is now part of the lm_sensors source distribution.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS (I2C-like access mode)
    OPTIONS (flat address space mode)
    WARNING
    CONFORMING TO
    SEE ALSO
    AUTHOR


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