Lenovo IdeaPad 720S-13IKB DS321 NM-B331 BIOS (REV 1.0)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | IdeaPad 720S-13IKB |
| Board number | NM-B331 |
| Platform | DS321 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 11 MB |
| Added | January 27, 2021 |
| Updated | |
| Original file name | Lenovo ideapad 720S-13IKB DS321 NM-B331 rev 1.0.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 IdeaPad 720S-13IKB laptop, board NM-B331 revision 1.0, platform DS321 with Compal as the ODM. The archive is a RAR file of about 10.5 MB. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision on your motherboard match NM-B331 rev 1.0, and back up the original chip contents so you can recover if the flash goes wrong.
For board NM-B331 the catalog also has 1 schematic 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 IdeaPad 720S-13IKB DS321 NM-B331. 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.