Lenovo R720-15IKBM DY520 NM-B391 BIOS (REV 1.0)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | R720-15IKBM |
| Board number | NM-B391 |
| Platform | DY520 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 8.5 MB |
| Marks | tested by uploader |
| Added | April 26, 2023 |
| Updated | |
| Original file name | LENOVO_R720_15IKBM_DY520_NM_B391_REV_1_0_2017_04_14_WORKING_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
LENOVO R720-15IKBM DY520 NM-B391 REV 1.0 2017-04-14 7th Gen CPU WORKING BIOS 100% BIOS dump for the Lenovo R720-15IKBM laptop, board number NM-B391 revision 1.0, platform DY520 from Compal. The uploader marked it as tested, and the archive is an 8.5 MB RAR. Technicians use a BIOS 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 NM-B391 and 1.0, and read out and save the original chip contents as a backup.
For board NM-B391 the catalog also has 1 schematic, 1 boardview file, and 5 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 R720-15IKBM DY520 NM-B391. 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.