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VPDDECODE(8)									     VPDDECODE(8)

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:

       o BIOS Build ID

       o Box Serial Number

       o Motherboard Serial Number

       o Machine Type/Model

       Some systems have these additional items:

       o BIOS Release Date

       o 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 wel-
       come.

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.  KEYWORD 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)

dmidecode				  February 2007 			     VPDDECODE(8)
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