Difference between revisions of "BIOS Version"

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(add alternative using grep and dmesg)
(update example output so both methods show same versions)
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{{cmdroot|dmidecode -s bios-version}}
 
{{cmdroot|dmidecode -s bios-version}}
  
  1RETDRWW (3.23 )
+
  6DET52WW (3.02 )
  
 
{{cmdroot|dmidecode -t 11}}
 
{{cmdroot|dmidecode -t 11}}
 
+
  # dmidecode 3.1
  # dmidecode 2.9
+
Getting SMBIOS data from sysfs.
  SMBIOS 2.33 present.
+
  SMBIOS 2.4 present.
  Handle 0x0029, DMI type 11, 5 bytes
+
 +
  Handle 0x001D, DMI type 11, 5 bytes
 
  OEM Strings
 
  OEM Strings
        String 1: IBM ThinkPad Embedded Controller -[1RHT71WW-3.04    ]-
+
String 1: IBM ThinkPad Embedded Controller -[7XHT22WW-1.04    ]-
  
Showing BIOS version 3.23 (1RETDRWW) and ECP version 3.04 (1RHT71WW).
+
Showing BIOS version 3.02 (6DET52WW) and ECP version 1.04 (7XHT22WW).
  
 
Alternatively you can '''grep''' the information from '''dmesg'''
 
Alternatively you can '''grep''' the information from '''dmesg'''

Revision as of 18:52, 1 November 2017

You can check the current BIOS and ECP versions on your ThinkPad by using dmidecode. For example:

# dmidecode -s bios-version

6DET52WW (3.02 )

# dmidecode -t 11

# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.4 present.

Handle 0x001D, DMI type 11, 5 bytes
OEM Strings
	String 1: IBM ThinkPad Embedded Controller -[7XHT22WW-1.04    ]-

Showing BIOS version 3.02 (6DET52WW) and ECP version 1.04 (7XHT22WW).

Alternatively you can grep the information from dmesg

$ dmesg | grep "ThinkPad BIOS"

[    3.758331] thinkpad_acpi: ThinkPad BIOS 6DET52WW (3.02 ), EC 7XHT22WW-1.04