Lenovo JS47L JS47M NM-E781 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | JS47L |
| Board number | NM-E781 |
| Platform | JS47M |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 20 MB |
| Added | October 26, 2026 |
| Updated | |
| Original file name | LENOVO_JS47L_JS47M_NM_E781_REV_1_0 AMD RYZEN 7 TEST OK.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_JS47L_JS47M_NM_E781_REV_1_0 AMD RYZEN 7 TEST OK BIOS dump for the Lenovo JS47L laptop, board number NM-E781, revision 1.0, platform JS47M, made by Compal. The file is packed as a RAR archive of about 20.1 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 flashing, confirm that the board number and revision match your motherboard, and back up the original chip contents first. The original file name also notes "AMD RYZEN 7 TEST OK", but that label comes from the uploader and is not verified here.
For board NM-E781 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 JS47L JS47M NM-E781. 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.