BIOS ThinkPad P1 Gen 3 (Types 20TH, 20TJ), X1 Extreme Gen 3 (Types 20TK, 20TL) LPM-3 MB 19770-1.bin

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ThinkPad P1 Gen 3 (Types 20TH, 20TJ), X1 Extreme Gen 3 (Types 20TK, 20TL) LPM-3 MB 19770-1.bin
Thinkpad P1 Gen 3 - 19770-1 Schematic And BoardView

 

[qazmati]

Lenovo ThinkPad P1 Gen 3
Motherboard: LPM-3 MB 19770-1
CPU: Intel Core i7
SPI flash: single 32 MB Winbond (W25Q256)

The laptop was bricked after BIOS programming.
Current symptom: one short beep, keyboard backlight turns on briefly, then the system powers off immediately.

This model uses a single 32 MB SPI chip containing BIOS + EC + ME, so a full and correct SPI image is required.

Please flash a known-good full 32 MB dump from the same board revision (preferably donor-based), without partial flashing or Lenovo EXE-only images.

Hardware is otherwise OK — the issue is firmware-related.