Lenovo IdeaPad 320 EG721 NM-B452 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | IdeaPad 320 |
| Board number | NM-B452 |
| Platform | EG721 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | 7Z |
| Size | 5 MB |
| Marks | tested by uploader, includes EC firmware |
| Added | March 16, 2023 |
| Updated | |
| Original file name | LENOVO_IdeaPad_320_15IKB_520_15IKB_EG521_EG522_EZ511_EG721_NM_B452.7z |
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_IdeaPad_320_15IKB_520_15IKB_EG521_EG522_EZ511_EG721_NM_B452 2017-07-03 WORKING BIOS & KBEC 100% BIOS dump for the Lenovo IdeaPad 320 laptop, board NM-B452 (platform EG721, Compal ODM), packaged as a 7Z archive of about 5 MB. The file includes EC/KBC firmware and is marked as tested by the uploader, though the catalog has not verified this. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or failed update. Confirm that the board number and revision on your motherboard match NM-B452 before flashing, and back up the original chip contents first.
For board NM-B452 the catalog also has 3 schematics, 2 boardview files, and 12 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 IdeaPad 320 EG721 NM-B452. 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.