09275-1 – Dell Inspiron N4020
The 09275-1 (Wistron) motherboard is found in the Dell Inspiron N4020. The catalog lists 2 files for it: 1 BIOS file and 1 boardview.
The BIOS dumps are 2 MB images. First posted in December 2023 in Schematics & Boardviews Archive, Cyberlan Electronics and BIOS Archive.
BIOS dumps 1
Boardviews 1
Board facts
| Board number | 09275-1 |
|---|---|
| Designed by | Wistron |
| Platform group | 09XXX |
| BIOS chip size | 2 MB |
| First seen | 2023-12-14 |
| Source channels | Schematics & Boardviews Archive, Cyberlan Electronics, BIOS Archive |
| About the number | Wistron board numbers look like 15217-1; the first two digits usually indicate the design year. |
Laptops that use 09275-1
- Dell Inspiron N4020
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 boardview is the component placement map of the PCB: click a part or a net and the viewer highlights where it is and what it connects to. Used together with the schematic to find test points.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .bdv | Honhan .bdv boardview | OpenBoardView, FlexBV or Honhan BoardViewer |
| .brd | .brd boardview (Test_Link format) | OpenBoardView, FlexBV or BoardViewer |
| .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
Which laptops use the 09275-1 board?
Files in the catalog link 09275-1 to the Dell Inspiron N4020.
Is there a boardview for 09275-1?
Yes, 1 boardview file in .bdv and .brd format.
What BIOS chip size does 09275-1 use?
The BIOS images for 09275-1 are 2 MB.
Who designed the 09275-1 board?
09275-1 is a Wistron board number used by Dell.
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.