12298-2 – Lenovo ThinkPad X1 Carbon
12298-2 is the Wistron main board used in the Lenovo ThinkPad X1 Carbon, Lenovo ThinkPad X1 and Lenovo ThinkPad 12298. ChambersDesignInc.com has indexed 21 files for this board — 18 BIOS files, 3 schematics, 1 boardview and 1 EC firmware image.
The BIOS dumps are 1 MB, 8 MB and 16 MB images. The earliest file dates from June 2018 (BIOS Archive, Cyberlan Electronics and Schematics & Boardviews Archive).
BIOS dumps 18
Schematics 3
Board facts
| Board number | 12298-2 |
|---|---|
| Designed by | Wistron |
| Platform group | 12XXX |
| Also known as | 48.4LY05.021, 48.4LY06.021, 48.4LY26.021 |
| BIOS chip size | 1 MB, 8 MB, 16 MB |
| Flash chip | 25L12873F |
| EC / KBC chip | MEC1633L |
| CPU generation | Intel 4th gen |
| First seen | 2018-06-17 |
| Source channels | BIOS Archive, Cyberlan Electronics, Schematics & Boardviews Archive |
| About the number | Wistron board numbers look like 15217-1; the first two digits usually indicate the design year. |
Laptops that use 12298-2
- Lenovo ThinkPad X1 Carbon
- Lenovo ThinkPad X1
- Lenovo ThinkPad 12298
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.
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 |
|---|---|---|
| .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 12298-2 board?
12298-2 is a Wistron board number used by Lenovo.
What BIOS chip size does 12298-2 use?
The BIOS images for 12298-2 are 1 MB, 8 MB and 16 MB. Flash chips named in the files: 25L12873F.
Which laptops use the 12298-2 board?
Files in the catalog link 12298-2 to the Lenovo ThinkPad X1 Carbon, Lenovo ThinkPad X1 and Lenovo ThinkPad 12298.
Is there a boardview for 12298-2?
Yes, 1 boardview file.
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.