biosdecode(8)

1BIOSDECODE(8)               System Manager's Manual              BIOSDECODE(8)
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NAME

6       biosdecode - BIOS information decoder
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SYNOPSIS

9       biosdecode [OPTIONS]
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DESCRIPTION

12       biosdecode  parses  the  BIOS  memory  and prints information about all
13       structures (or entry points) it knows of. Currently known  entry  point
14       types are:
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16       • SMBIOS (System Management BIOS)
17         Use dmidecode for a more detailed output.
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19       • DMI (Desktop Management Interface, a legacy version of SMBIOS)
20         Use dmidecode for a more detailed output.
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22       • SYSID
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24       • PNP (Plug and Play)
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26       • ACPI (Advanced Configuration and Power Interface)
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28       • BIOS32 (BIOS32 Service Directory)
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30       • PIR (PCI IRQ Routing)
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32       • 32OS (BIOS32 Extension, Compaq-specific)
33         See ownership for a Compaq ownership tag retrieval tool.
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35       • SNY (Sony-specific, not decoded)
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37       • VPD (Vital Product Data, IBM-specific)
38         Use vpddecode for a more detailed output.
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40       • FJKEYINF (Application Panel, Fujitsu-specific)
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43       biosdecode  started  its  life as a part of dmidecode but as more entry
44       point types were added, it was moved to a different program.
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OPTIONS

47       -d, --dev-mem FILE
48              Read memory from device FILE (default: /dev/mem)
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50           --pir full
51              Decode the details of the PCI IRQ routing table.  Only full mode
52              is supported.
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54       -h, --help
55              Display usage information and exit
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57       -V, --version
58              Display the version and exit
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FILES

61       /dev/mem
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BUGS

64       Most of the time, biosdecode prints too much information (you don't re‐
65       ally care about addresses) or not enough  (because  it  doesn't  follow
66       pointers and has no lookup tables).
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AUTHORS

69       Alan Cox, Jean Delvare
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