BIOS firmware for the IBM ThinkPad T61, marked INTEL, which most likely distinguishes the Intel integrated graphics variant from the discrete one, packed in a 1.84 MB…

Firmware dump labelled IBM T61, 4.00 MB, supplied without a file extension; the size points to a raw 32 Mbit SPI flash image.

BIN firmware image of 4.00 MB named for an IBM ThinkPad T61, with the suffix lhr whose meaning is not clear from the name and should not be assumed.

Modified BIOS for the IBM ThinkPad T61, described by the name as free of the security chip, which suggests a version with security chip or supervisor restrictions…