1BIOSDECODE(8) System Manager's Manual BIOSDECODE(8)
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6 biosdecode - BIOS information decoder
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9 biosdecode [OPTIONS]
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13 biosdecode parses the BIOS memory and prints information about all
14 structures (or entry points) it knows of. Currently known entry point
15 types are:
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17 · SMBIOS (System Management BIOS)
18 Use dmidecode for a more detailed output.
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20 · DMI (Desktop Management Interface, a legacy version of SMBIOS)
21 Use dmidecode for a more detailed output.
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23 · SYSID
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25 · PNP (Plug and Play)
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27 · ACPI (Advanced Configuration and Power Interface)
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29 · BIOS32 (BIOS32 Service Directory)
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31 · PIR (PCI IRQ Routing)
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33 · 32OS (BIOS32 Extension, Compaq-specific)
34 See ownership for a Compaq ownership tag retrieval tool.
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36 · SNY (Sony-specific, not decoded)
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38 · VPD (Vital Product Data, IBM-specific)
39 Use vpddecode for a more detailed output.
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41 · FJKEYINF (Application Panel, Fujitsu-specific)
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44 biosdecode started its life as a part of dmidecode but as more entry
45 point types were added, it was moved to a different program.
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49 -d, --dev-mem FILE
50 Read memory from device FILE (default: /dev/mem)
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52 --pir full
53 Decode the details of the PCI IRQ routing table
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55 -h, --help
56 Display usage information and exit
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58 -V, --version
59 Display the version and exit
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63 /dev/mem
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66 Most of the time, biosdecode prints too much information (you don't
67 really care about addresses) or not enough (because it doesn't follow
68 pointers and has no lookup tables).
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71 Alan Cox, Jean Delvare
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74 dmidecode(8), mem(4), ownership(8), vpddecode(8)
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78dmidecode February 2007 BIOSDECODE(8)