Lenovo EX280 NM-B521 BIOS (REV 1.0)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Board number | NM-B521 |
| Platform | EX280 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 8.9 MB |
| Marks | tested by uploader |
| Added | June 17, 2023 |
| Updated | |
| Original file name | LENOVO_THINLPAD_X280_EX280_NM_B521_REV_1_0_2017_06_10_i5_8250U_WORKING.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 THINLPAD X280 EX280 NM-B521 REV 1.0 2017-06-10 i5-8250U WORKING BIOS 100% This is a BIOS dump for the Lenovo ThinkPad X280 laptop, board number NM-B521, revision 1.0, platform EX280, built by Compal. The uploader marked it as tested, and the RAR archive is about 8.9 MB. Technicians use a BIOS 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 motherboard, and back up the original chip contents so you can recover if something goes wrong.
For board NM-B521 the catalog also has 1 schematic, 1 boardview file, and 6 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 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.