Lenovo DG425 DG725 NM-B321 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | DG425 |
| Board number | NM-B321 |
| Platform | DG725 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 4.5 MB |
| Added | December 22, 2021 |
| Updated | |
| Original file name | LENOVO_DG425_DG525_DG725_NM_B321_REV_1_0_2017_03_14_GREEN_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
BIOS dump for the Lenovo DG425 laptop, board number NM-B321 revision 1.0, platform DG725, built by Compal. The archive is a RAR file of about 4.5 MB, with the original file name LENOVO_DG425_DG525_DG725_NM_B321_REV_1_0_2017_03_14_GREEN_BIOS_&.rar. 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-B321 and 1.0, and save a backup of the original chip contents.
The catalog also lists 2 schematics, 1 boardview file, and 15 BIOS dumps for board NM-B321.
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 DG425 DG725 NM-B321. 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.