MBX-190 – Sony VGN-SR
The Sony VGN-SR, Sony M752 and Sony PCG-5S7P are built on the MBX-190 board. 8 files are indexed for this board: 6 BIOS files and 2 schematics.
Revisions seen in file names: 1.0 and 1.1. The BIOS dumps are 2 MB images. First posted in April 2017 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 6
Schematics 2
Board facts
| Board number | MBX-190 |
|---|---|
| Numbering | Sony board number |
| Revisions | 1.0, 1.1 |
| BIOS chip size | 2 MB |
| First seen | 2017-04-15 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
| About the number | Sony VAIO main boards are named MBX-xxx; the same board also has an ODM (Quanta, Foxconn, Wistron, Compal) number. |
Laptops that use MBX-190
- Sony VGN-SR
- Sony M752
- Sony PCG-5S7P
What these files are for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .bin | raw SPI flash image | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .rar | RAR archive | 7-Zip or WinRAR |
| .zip | ZIP archive | 7-Zip, WinRAR or the built-in Windows extractor |
Questions
What BIOS chip size does MBX-190 use?
The BIOS images for MBX-190 are 2 MB.
Which laptops use the MBX-190 board?
Files in the catalog link MBX-190 to the Sony VGN-SR, Sony M752 and Sony PCG-5S7P.
Is there a boardview for MBX-190?
No boardview has been indexed for MBX-190 yet; the schematic is available on this page.
Where do the download links go?
Each button opens the original public Telegram post the file was shared in. ChambersDesignInc.com only indexes and cross-references those posts.