DAX8SFMB8B2 – HP EliteBook 640 G9
The DAX8SFMB8B2 (Quanta) motherboard is found in the HP EliteBook 640 G9 and HP EliteBook X8SF. The catalog lists 2 files for it: 2 BIOS files.
Revisions seen in file names: B. BIOS images are 32 MB. The earliest file dates from December 2023 (BIOS Archive).
BIOS dumps 2
Board facts
| Board number | DAX8SFMB8B2 |
|---|---|
| Designed by | Quanta |
| Platform group | X8SF |
| Revisions | B |
| BIOS chip size | 32 MB |
| First seen | 2023-12-23 |
| Source channels | BIOS Archive |
| About the number | Quanta board numbers follow the pattern DA + project code + MB + suffix, where the second-to-last letter is the PCB revision. |
Laptops that use DAX8SFMB8B2
- HP EliteBook 640 G9
- HP EliteBook X8SF
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.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Questions
What BIOS chip size does DAX8SFMB8B2 use?
The BIOS images for DAX8SFMB8B2 are 32 MB.
Who designed the DAX8SFMB8B2 board?
DAX8SFMB8B2 is a Quanta board number used by HP.
Which laptops use the DAX8SFMB8B2 board?
Files in the catalog link DAX8SFMB8B2 to the HP EliteBook 640 G9 and HP EliteBook X8SF.
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.