ACLU1 ACLU2 UMA NM-A272 Rev 1.0 Bios+EC
BIOSEC
3.0 MB · first posted in BIOS Files
Get on TelegramWhat the file name tells us
| Brand | Lenovo |
|---|---|
| Board | NM-A272 |
| ODM project | ACLU1, ACLU2 |
| ODM | LCFC |
| Revision | 1.0 |
| Kind | BIOS, EC |
| Format | .7z |
| Archive size | 3.0 MB |
| First posted | 2022-03-10 |
| Channel | BIOS Files |
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.
EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .7z | 7-Zip archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
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