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Open Networking Hardware Diagnostic Guide November 2022

PDF

smbiostool

The smbiostool displays information about the BIOS and also reprograms the BIOS flash.

CLI options

NOTE smbiostool is not available on the S5200-ON, S5448F-ON, Z9264-ON, Z9432F-ON, and Z9664F-ON.
NOTE The smbiostool is not available for all platforms. For some platforms, this tool is replaced with the updatetool. 
DellEmc Diag - SMBIOS Tool
version 1.2, x.xx.x.x-x
build, 2022/05/20,

Usage:=
        smbiostool --h                           (or)
        smbiostool -h
  Print the BIOS version:=
        smbiostool --biosversion                 (or)
        smbiostool -b
  Check whether the SPI flash was detected:=
        smbiostool --biosflashdetect             (or)
        smbiostool -f
  Take a backup of the Current running BIOS:=
        smbiostool --biosread <FILEPATH>         (or)
        smbiostool -r
  Update the bios:=
        smbiostool --biosupdate <FILEPATH>       (or)
        smbiostool -u <FILEPATH>
  Dump the DMI table:=
        smbiostool --biosdumpall                 (or)
        smbiostool -d
  Check whether the SPI flash was detected:=
        smbiostool --biosdumpfields <*options*>  (or)
        smbiostool -S <*options*>
  <*options*> for biosdumpfiels:=
     -q                  Less verbose output
     -s                  Only display the value of the given DMI string
     -t                  TYPE  Only display the entries of given type
     -u                  Do not decode the entries
     --dump-bin <FILE>   Dump the DMI data to a binary file
     --from-dump <FILE>  Read the DMI data from a binary file
     -V                  Display the version of dmidecode binary

Output

root@dell-diag-os:~# smbiostool --biosversion
x.xx.x.x_MRC48
root@dell-diag-os:~#

root@dell-diag-os:~# smbiostool --biosflashdetect
dmidecode -s system-version flashrom -V -p internal > /tmp/flhdet.txtFound Flash chip!!!
Found Winbond flash chip "W25Q128.V" (16384 kB, SPI) at physical address 0xff000000.

--biosupporteddevices is a list of devices supported by flashrom for reprogramming

--biosdumpall is the dump of the dmidecode data
--biosdumpfields [SUBOPT] allows you to dump specified fields using the options

The --bioserase and --bioswrite options have been rolled into a --biosupdate option.

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