Sony Z40HR MBX-250 BIOS (4 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Sony |
| Model | Z40HR |
| Board number | MBX-250 |
| Device | Laptop |
| Format | RAR |
| Size | 1.7 MB |
| BIOS chip size | 4 MB |
| Added | May 20, 2019 |
| Updated | |
| Original file name | SONY_MBX_250_Z40HR_CS=2E79AD29_MX25L3206EM2.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 Sony Z40HR laptop, board MBX-250, supplied for a 4 MB flash chip. The original file name points to an MX25L3206EM2 SPI chip, and the archive is a RAR about 1.7 MB. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number matches the one printed on your motherboard and that the chip package and size fit your programmer setup.
For board MBX-250 the catalog also has 7 schematics 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: Sony Z40HR MBX-250. 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.