Lenovo IdeaPad Z50-75 NM-A291 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | IdeaPad Z50-75 |
| Board number | NM-A291 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 2.1 MB |
| Marks | includes EC firmware |
| Added | August 19, 2018 |
| Updated | |
| Original file name | Bios_EC_Lenovo_Z50-75 ACLU7(8)_NM-A291.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 IdeaPad Z50-75
ACLU7 , ACLU8 NM-A291
Rev: 1.0
CPU - AM7100ECH44JA
FCH - AMD 218-0844012
GPU - AMD 216-0856040
KBC - ITE 8586E-FXA
BIOS - Winbond W25Q64 BIOS dump for the Lenovo IdeaPad Z50-75 laptop, board NM-A291 from Compal, provided as a RAR archive that includes EC/KBC firmware. The original file name references ACLU7 and ACLU8 versions. 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 machine, and back up the original chip contents first.
For board NM-A291 the catalog also has 1 schematic and 4 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 Z50-75 NM-A291. 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.