xx70_xx80_patches_v7.txt ( Using Lenovo ThinkPad X270 - USB wwan whitelist - digmorepka)
Bios version
1.60
Bios chip location
Under the keyboard, on the left of the RAM slot (under the black protection). Chip is MX25L12873F and compatible with flashrom and a ch341a programmer.
TPM
Yes, not tested
Notes
Replaced 4C 4E 56 42 42 53 45 43 FBwith 4C 4E 56 42 42 53 45 43 FF on the previously patched binary with a hex editor. Otherwise it will not POST with a 0285 Beep code "TCG-compliant functionality-related error (might be the TPM initialization failure)"
Colargol59
commented
11 months ago
4C 4E 56 42 42 53 45 43 FBwith4C 4E 56 42 42 53 45 43 FFon the previously patched binary with a hex editor. Otherwise it will not POST with a 0285 Beep code "TCG-compliant functionality-related error (might be the TPM initialization failure)"