THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 3MB & 1MB BIOS
BIOS1 MB
12.9 MB · first posted in BIOS Archive
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THINKPAD L490 FL490 FL590 NM-B931 REV 1.0 2019-03-15 3MB & 1MB BIOS
What the file name tells us
| Brand | Lenovo |
|---|---|
| Model | Lenovo ThinkPad L490 |
| Board | NM-B931 |
| ODM project | FL490, FL590 |
| ODM | LCFC |
| Revision | 1.0 |
| Kind | BIOS |
| Format | .rar |
| Chip size | 1 MB |
| Date in file name | 2019-03-15 |
| Archive size | 12.9 MB |
| First posted | 2025-02-22 |
| 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-B931
FileSizeRevAddedSource
FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & EC 32MB & 1MB WORKING
BIOSEC1 MB, 32 MBTested
14.8 MB
1.0
Get on Telegram BIOS Archive
FL90 FL590 NM-B931 REV 1.0 2019-03-15 32MB CLEAN ME BIOS
BIOS32 MBClean MEVIP
17.6 MB
1.0
Get on Telegram BIOS Archive