JT4CA JT4CB NM-E981 REV 1.0 2021-04-20 32MB BIOS
BIOS32 MB
24.0 MB · first posted in BIOS Archive
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JT4CA JT4CB NM-E981 REV 1.0 2021-04-20 32MB BIOS
What the file name tells us
| Brand | Lenovo |
|---|---|
| Board | NM-E981 |
| ODM project | JT4CA, JT4CB |
| ODM | LCFC |
| Revision | 1.0 |
| Kind | BIOS |
| Format | .rar |
| Chip size | 32 MB |
| Date in file name | 2021-04-20 |
| Archive size | 24.0 MB |
| First posted | 2025-12-14 |
| 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 |
Other files for NM-E981
FileSizeRevAddedSource
T14 G3 NM-E981 BOARDVIEW (.TVW)
Boardview.tvw
5.6 MB
—
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JT4CA JT4CB NM-E981 (REV 1.0) BOARDVIEW (BDV)(.TVW)
Boardview.bdv.tvw
2.8 MB
1.0
Get on Telegram Schematics & Boardviews Archive +1 more