Linux cli command vpddecode

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command vpddecode and provides detailed information about the command vpddecode, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the vpddecode.

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NAME 🖥️ vpddecode 🖥️

VPD structure decoder

SYNOPSIS

vpddecode [OPTIONS]

DESCRIPTION

vpddecode prints the “vital product data” information that can be found in almost all IBM and Lenovo computers. Available items are:

  • BIOS Build ID

  • Box Serial Number

  • Motherboard Serial Number

  • Machine Type/Model

Some systems have these additional items:

  • BIOS Release Date

  • Default Flash Image File Name

Note that these additional items are not documented by IBM, so this is guess work, and as such should not be blindly trusted. Feedback about the accuracy of these labels is welcome.

OPTIONS

-d, –dev-mem FILE
Read memory from device FILE (default: /dev/mem)

-s, –string KEYWORD
Only display the value of the VPD string identified by KEYWORD. It must be a keyword from the following list:

bios-build-id, box-serial-number, motherboard-serial-number, machine-type-model, bios-release-date.

Each keyword corresponds to an offset and a length within the VPD record. Not all strings may be defined on all VPD-enabled systems. If KEYWORD is not provided or not valid, a list of all valid keywords is printed and vpddecode exits with an error. This option cannot be used more than once. Mutually exclusive with –dump.

-u, –dump
Do not decode the VPD records, dump their contents as hexadecimal instead. Note that this is still a text output, no binary data will be thrown upon you. ASCII equivalent is displayed when possible. This option is mainly useful for debugging. Mutually exclusive with –string.

-h, –help
Display usage information and exit

-V, –version
Display the version and exit

FILES

/dev/mem

AUTHOR

Jean Delvare

SEE ALSO

biosdecode(8), dmidecode(8), mem(4), ownership(8)

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