$ sudo dmidecode -t bios
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x000E, DMI type 0, 24 bytes
BIOS Information
Vendor: LENOVO
Version: H6ETA0WW (2.18 )
Release Date: 06/01/2018
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 12288 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
NEC PC-98
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Function key-initiated network boot is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 2.18
Firmware Revision: 2.1
Handle 0x0020, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Abbreviated
Installable Languages: 7
en-US
fr-FR
ja-JP
ko-KR
zh-CHT
zh-CHS
ru-RU
Currently Installed Language: en-US
$ sudo dmidecode -t system
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x000F, DMI type 1, 27 bytes
System Information
Manufacturer: LENOVO
Product Name: 33533MG
Version: ThinkPad T430u
Serial Number: PB88L27
UUID: 507a2801-5144-11cb-8738-9d5ba3e2b1ee
Wake-up Type: Power Switch
SKU Number: LENOVO_MT_3353
Family: ThinkPad T430u
Handle 0x001F, DMI type 12, 5 bytes
System Configuration Options
Handle 0x002D, DMI type 15, 81 bytes
System Event Log
Area Length: 98 bytes
Header Start Offset: 0x0000
Header Length: 16 bytes
Data Start Offset: 0x0010
Access Method: General-purpose non-volatile data functions
Access Address: 0x00F0
Status: Valid, Not Full
Change Token: 0x00000005
Header Format: Type 1
Supported Log Type Descriptors: 29
Descriptor 1: Single-bit ECC memory error
Data Format 1: Multiple-event handle
Descriptor 2: Multi-bit ECC memory error
Data Format 2: Multiple-event handle
Descriptor 3: Parity memory error
Data Format 3: None
Descriptor 4: Bus timeout
Data Format 4: None
Descriptor 5: I/O channel block
Data Format 5: None
Descriptor 6: Software NMI
Data Format 6: None
Descriptor 7: POST memory resize
Data Format 7: None
Descriptor 8: POST error
Data Format 8: POST results bitmap
Descriptor 9: PCI parity error
Data Format 9: None
Descriptor 10: PCI system error
Data Format 10: None
Descriptor 11: CPU failure
Data Format 11: None
Descriptor 12: EISA failsafe timer timeout
Data Format 12: None
Descriptor 13: Correctable memory log disabled
Data Format 13: None
Descriptor 14: Logging disabled
Data Format 14: None
Descriptor 15: System limit exceeded
Data Format 15: None
Descriptor 16: Asynchronous hardware timer expired
Data Format 16: None
Descriptor 17: System configuration information
Data Format 17: None
Descriptor 18: Hard disk information
Data Format 18: None
Descriptor 19: System reconfigured
Data Format 19: None
Descriptor 20: Uncorrectable CPU-complex error
Data Format 20: None
Descriptor 21: Log area reset/cleared
Data Format 21: None
Descriptor 22: System boot
Data Format 22: None
Descriptor 23: OEM-specific
Data Format 23: None
Descriptor 24: OEM-specific
Data Format 24: None
Descriptor 25: OEM-specific
Data Format 25: None
Descriptor 26: OEM-specific
Data Format 26: None
Descriptor 27: OEM-specific
Data Format 27: None
Descriptor 28: OEM-specific
Data Format 28: None
Descriptor 29: OEM-specific
Data Format 29: None
I can confirm the same behaviour:
$ sudo dmidecode -t bios
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x000E, DMI type 0, 24 bytes
BIOS Information
Vendor: LENOVO
Version: H6ETA0WW (2.18 )
Release Date: 06/01/2018
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 12288 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
NEC PC-98
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Function key-initiated network boot is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 2.18
Firmware Revision: 2.1
Handle 0x0020, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Abbreviated
Installable Languages: 7
en-US
fr-FR
ja-JP
ko-KR
zh-CHT
zh-CHS
ru-RU
Currently Installed Language: en-US
$ sudo dmidecode -t system
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x000F, DMI type 1, 27 bytes 5144-11cb- 8738-9d5ba3e2b1 ee
System Information
Manufacturer: LENOVO
Product Name: 33533MG
Version: ThinkPad T430u
Serial Number: PB88L27
UUID: 507a2801-
Wake-up Type: Power Switch
SKU Number: LENOVO_MT_3353
Family: ThinkPad T430u
Handle 0x001F, DMI type 12, 5 bytes
System Configuration Options
Handle 0x002D, DMI type 15, 81 bytes
System Event Log
Area Length: 98 bytes
Header Start Offset: 0x0000
Header Length: 16 bytes
Data Start Offset: 0x0010
Access Method: General-purpose non-volatile data functions
Access Address: 0x00F0
Status: Valid, Not Full
Change Token: 0x00000005
Header Format: Type 1
Supported Log Type Descriptors: 29
Descriptor 1: Single-bit ECC memory error
Data Format 1: Multiple-event handle
Descriptor 2: Multi-bit ECC memory error
Data Format 2: Multiple-event handle
Descriptor 3: Parity memory error
Data Format 3: None
Descriptor 4: Bus timeout
Data Format 4: None
Descriptor 5: I/O channel block
Data Format 5: None
Descriptor 6: Software NMI
Data Format 6: None
Descriptor 7: POST memory resize
Data Format 7: None
Descriptor 8: POST error
Data Format 8: POST results bitmap
Descriptor 9: PCI parity error
Data Format 9: None
Descriptor 10: PCI system error
Data Format 10: None
Descriptor 11: CPU failure
Data Format 11: None
Descriptor 12: EISA failsafe timer timeout
Data Format 12: None
Descriptor 13: Correctable memory log disabled
Data Format 13: None
Descriptor 14: Logging disabled
Data Format 14: None
Descriptor 15: System limit exceeded
Data Format 15: None
Descriptor 16: Asynchronous hardware timer expired
Data Format 16: None
Descriptor 17: System configuration information
Data Format 17: None
Descriptor 18: Hard disk information
Data Format 18: None
Descriptor 19: System reconfigured
Data Format 19: None
Descriptor 20: Uncorrectable CPU-complex error
Data Format 20: None
Descriptor 21: Log area reset/cleared
Data Format 21: None
Descriptor 22: System boot
Data Format 22: None
Descriptor 23: OEM-specific
Data Format 23: None
Descriptor 24: OEM-specific
Data Format 24: None
Descriptor 25: OEM-specific
Data Format 25: None
Descriptor 26: OEM-specific
Data Format 26: None
Descriptor 27: OEM-specific
Data Format 27: None
Descriptor 28: OEM-specific
Data Format 28: None
Descriptor 29: OEM-specific
Data Format 29: None
$ cat /proc/cmdline /boot/vmlinuz- 4.19.0- 5-amd64 root=/dev/ mapper/ lvm0--vol- root ro noacpi
BOOT_IMAGE=
$ uname -a
Linux yoad 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5+deb10u1 (2019-07-19) x86_64 GNU/Linux