Lenovo Yoga 900 NM-A921 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | Yoga 900 |
| Board number | NM-A921 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 4.8 MB |
| Added | March 3, 2021 |
| Updated | |
| Original file name | Lenovo_Yoga_900_13ISK2_2UCN10WW_LISZT_CYG41CYG40BYG40_NM_A921_Main.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 Yoga 900 laptop, board number NM-A921 from ODM Compal, delivered as a RAR archive of about 4.8 MB. The original file name indicates a 13ISK2 variant and a Main image for this board. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before flashing, confirm that the board number and revision on your motherboard match the file, and back up the original chip contents so you can restore them if needed.
For board NM-A921 the catalog also has 2 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 Yoga 900 NM-A921. 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.