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