Lenovo NM-B561 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Board number | NM-B561 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 9.5 MB |
| BIOS chip size | 32 MB |
| Added | April 22, 2021 |
| Updated | |
| Original file name | Laptop (ThinkPad) NM-B561 REV 1.0 P52 (Type 20M9, 20MA) 32MB.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 laptop board NM-B561, revision 1.0, with a Compal ODM origin and a 32 MB flash chip. The original file name, a ThinkPad P52 archive for types 20M9 and 20MA, is listed as the source of the dump. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after corruption or a failed update. Confirm that the board number and revision match your board before flashing, and back up the original chip contents first.
For board NM-B561 the catalog also has 1 schematic, 2 boardview files, and 1 BIOS dump.
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 NM-B561. 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.