Lenovo B71-80 NM-A491 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | B71-80 |
| Board number | NM-A491 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | ZIP |
| Size | 4 MB |
| Marks | includes EC firmware |
| Added | April 15, 2018 |
| Updated | |
| Original file name | Lenovo B71-80 NM-A491 Rev. 1.0 bios + ec.zip |
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 B71-80
NM-A491 rev. 1.0
CPU: SR2EY (Intel Core i5-6200U)
ITE IT8586E FXA
Bios + EC Lenovo B71-80 BIOS dump for the Compal NM-A491 laptop board, revision 1.0, packaged as a ZIP of about 4 MB. It includes both the BIOS and the EC/KBC firmware, so a technician can work on the main flash and the embedded controller from one archive. BIOS dumps like this are used to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number NM-A491 and revision 1.0 match your motherboard before flashing, and back up the original chip contents first.
The catalog also lists 2 schematics, 1 boardview file, and 1 BIOS dump for board NM-A491.
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 B71-80 NM-A491. 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.