Lenovo EX280 NM-B521 BIOS (REV 1.0)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | EX280 |
| Board number | NM-B521 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 12 MB |
| Marks | tested by uploader |
| Added | September 28, 2023 |
| Updated | |
| Original file name | LENOVO_EX280_NM_B521_REV_1_0_2017_10_06_BIOS_&_MEC_TESTED_BIOS.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
LENOVO EX280 NM-B521 REV 1.0 2017-10-06 BIOS & MEC TESTED BIOS BIOS dump for the Lenovo EX280 laptop, Compal-built board NM-B521 at revision 1.0. The uploader marks it as tested, and the RAR archive is about 11.6 MB. A technician would use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision match your machine exactly, and back up the original chip contents first.
The catalog also lists 1 schematic, 1 boardview file, and 6 BIOS dumps for board NM-B521.
Description generated from the catalog data. ·
Related files
Browse more
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 EX280 NM-B521. 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.