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BIOSDECODE(8)               System Manager's Manual              BIOSDECODE(8)



NAME
       biosdecode - BIOS information decoder

SYNOPSIS
       biosdecode [OPTIONS]


DESCRIPTION
       biosdecode  parses  the  BIOS  memory  and prints information about all
       structures (or entry points) it knows of. Currently known  entry  point
       types are:

       o SMBIOS (System Management BIOS)
         Use dmidecode for a more detailed output.

       o DMI (Desktop Management Interface, a legacy version of SMBIOS)
         Use dmidecode for a more detailed output.

       o SYSID

       o PNP (Plug and Play)

       o ACPI (Advanced Configuration and Power Interface)

       o BIOS32 (BIOS32 Service Directory)

       o PIR (PCI IRQ Routing)

       o 32OS (BIOS32 Extension, Compaq-specific)
         See ownership for a Compaq ownership tag retrieval tool.

       o SNY (Sony-specific, not decoded)

       o VPD (Vital Product Data, IBM-specific)
         Use vpddecode for a more detailed output.


       biosdecode  started  its  life as a part of dmidecode but as more entry
       point types were added, if was moved to a different program.


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

       -h, --help
              Display usage information and exit

       -V, --version
              Display the version and exit


FILES
       /dev/mem

BUGS
       Most of the time, biosdecode prints too  much  information  (you  don't
       really  care  about addresses) or not enough (because it doesn't follow
       pointers and has no lookup tables).

AUTHORS
       Alan Cox, Jean Delvare

SEE ALSO
       dmidecode(8), mem(4), ownership(8), vpddecode(8)



dmidecode                        February 2005                   BIOSDECODE(8)