Lenovo B490 LB49A 12208-1 BIOS (clean ME)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | B490 |
| Board number | 12208-1 |
| Platform | LB49A |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 6.3 MB |
| Marks | clean ME |
| Added | July 17, 2021 |
| Updated | |
| Original file name | lenovo b490 LB49A MB 12208-1 CLEAR ME REGON FIXED.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
BIOS dump for the Lenovo B490 laptop, board number 12208-1 from Wistron, platform LB49A, with the Intel ME region cleaned. The archive is about 6.3 MB in RAR format. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Confirm that the board number and revision on your motherboard match the file before flashing, and back up the original chip contents first so you can restore them if something goes wrong.
For board 12208-1 the catalog also has 2 schematics and 5 BIOS dumps.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo B490 LB49A 12208-1. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.