In an attempt to get Linux running on my brand new ThinkPad 11e, I flashed an incompatible firmware and bricked it.
I was eventually able to acquire an SOIC8 clip, and run these scripts to flash the correct firmware and revive my Chromebook!
Checkout the full story on my blog!
ThinkPad Yoga 11e US Model #: 20DB000GUS
| Pin | ABBR | Purpose | Color |
|---|---|---|---|
| 1 | CS | Chip Select | Orange |
| 2 | SO | Serial Out | Yellow |
| 3 | WP# | Write Protection | Red |
| 4 | GND | Ground | Brown |
| 5 | SI | Serial In | Green |
| 6 | CLK | Clock | Blue |
| 7 | HOLD | Hold | Purple |
| 8 | VCC | 3.3V Power | Grey |
I used a Pi 3B, but it seems most models have similar pin-outs.
| GPIO | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outer | . | . | . | . | . | . | . | . | . | 4 | . | 1 | . | . | . | . | . | . | . | . |
| Inner | . | 3 | . | 7 | . | . | . | . | 8 | 5 | 2 | 6 | . | . | . | . | . | . | . | . |
Any side can be top or bottom. You just need to know which side goes where when you clip it to the flash chip.
| SOIC Pins | A | B | C | D |
|---|---|---|---|---|
| Top | 8 | 7 | 6 | 5 |
| Bottom | 1 | 2 | 3 | 4 |
