Comment 31 for bug 1808418

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
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

$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-4.19.0-5-amd64 root=/dev/mapper/lvm0--vol-root ro noacpi

$ uname -a
Linux yoad 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5+deb10u1 (2019-07-19) x86_64 GNU/Linux