Lenovo TPM Information (Type 134)

Source: reverse engineered from the dumps of the data corpus.

Tells the vendor of the TPM of a Lenovo laptop by its TCG vendor ID, e.g. ATML for Atmel in lenovo/thinkpad-t61p-6460-6xg.bin, or STM ` for STMicroelectronics in `lenovo/thinkpad-x220-4290le6.bin. The structures are told from the date records of the same type by their first string, TPM INFO.

Table 1. Lenovo TPM Information structure
Offset	Version	Name	Length	Value	Description
`0x00`	2.0+	Type	`BYTE`	`134`	Lenovo TPM Information indicator
`0x01`	2.0+	Length	`BYTE`	`0x10`	Length of the structure
`0x02`	2.0+	Handle	`WORD`	Varies
`0x04`	2.0+	Unknown 1	`BYTE`	Varies	`0` in all known data
`0x05`	2.0+	TPM Vendor ID	4 BYTEs	Varies	TCG vendor ID of the TPM, in ASCII
`0x09`	2.0+	Unknown 2	2 BYTEs	Varies	`01 01` in all known data
`0x0B`	2.0+	Unknown 3	`WORD`	Varies	`0` in all known data
`0x0D`	2.0+	Unknown 4	`BYTE`	Varies	`0`, `2` or `3`
`0x0E`	2.0+	Signature	`BYTE`	`STRING`	`TPM INFO`
`0x0F`	2.0+	Description	`BYTE`	`STRING`	`System Reserved`