Lenovo L340 15API, L340 17API, L340 15API Touch FG542 FG543 FG 742
BIOS
4.5 MB · first posted in BIOS Archive
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Delvis José González
What the file name tells us
| Brand | Lenovo |
|---|---|
| Model | Lenovo ThinkPad L340 15API |
| Model | Lenovo ThinkPad L340 17API |
| Model | Lenovo ThinkPad L340 15API Touch |
| Model | Lenovo ThinkPad FG542 |
| Model | Lenovo ThinkPad FG543 |
| Kind | BIOS |
| Format | .rar |
| Archive size | 4.5 MB |
| First posted | 2020-08-01 |
| Channel | BIOS Archive |
Parsed automatically from the file name and caption. Always compare the board number with the one printed on your board.
What this kind of file is for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |