15256-1 – HP TPN-W118
15256-1 is the Wistron main board used in the HP TPN-W118, HP Pavilion 13-U104TU, HP Pavilion x360 and HP Pavilion x360 13. The catalog lists 9 files for it: 8 BIOS files, 1 schematic and 1 EC firmware image.
BIOS images are 8 MB. First posted in March 2018 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 8
Schematics 1
From the uploader
HP PAVILION X360 Convertible TPN-W118 Brittle MB 15256-1 448.07M07.0011 i5-7200U 8MB
Board facts
| Board number | 15256-1 |
|---|---|
| Designed by | Wistron |
| Platform group | 15XXX |
| Also known as | 448.07M07.0011 |
| BIOS chip size | 8 MB |
| CPU generation | Intel 7th gen |
| First seen | 2018-03-06 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
| About the number | Wistron board numbers look like 15217-1; the first two digits usually indicate the design year. |
Laptops that use 15256-1
- HP TPN-W118
- HP Pavilion 13-U104TU
- HP Pavilion x360
- HP Pavilion x360 13
- HP Pavilion x360 Convertible
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.
EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| 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 |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Questions
Who designed the 15256-1 board?
15256-1 is a Wistron board number used by HP.
Is there a boardview for 15256-1?
No boardview has been indexed for 15256-1 yet; the schematic is available on this page.
Which laptops use the 15256-1 board?
Files in the catalog link 15256-1 to the HP TPN-W118, HP Pavilion 13-U104TU, HP Pavilion x360, HP Pavilion x360 13 and HP Pavilion x360 Convertible.
What BIOS chip size does 15256-1 use?
The BIOS images for 15256-1 are 8 MB.
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.