18724-1 – Lenovo ThinkPad L390
The 18724-1 (Wistron) motherboard is found in the Lenovo ThinkPad L390 and Lenovo ThinkPad S2. 10 files are indexed for this board: 8 BIOS files and 2 schematics.
BIOS images are 1 MB, 2 MB, 16 MB and 32 MB. The earliest file dates from November 2021 (BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics).
BIOS dumps 8
Schematics 2
Board facts
| Board number | 18724-1 |
|---|---|
| Designed by | Wistron |
| Platform group | 18XXX |
| Also known as | 448.0FC04.001M, 448.0FC04.004M |
| BIOS chip size | 1 MB, 2 MB, 16 MB, 32 MB |
| CPU generation | Intel 4th gen, Intel 8th gen |
| First seen | 2021-11-06 |
| 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 18724-1
- Lenovo ThinkPad L390
- Lenovo ThinkPad S2
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 |
|---|---|---|
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .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 18724-1 use?
The BIOS images for 18724-1 are 1 MB, 2 MB, 16 MB and 32 MB.
Is there a boardview for 18724-1?
No boardview has been indexed for 18724-1 yet; the schematic is available on this page.
Which laptops use the 18724-1 board?
Files in the catalog link 18724-1 to the Lenovo ThinkPad L390 and Lenovo ThinkPad S2.
Who designed the 18724-1 board?
18724-1 is a Wistron board number used by Lenovo.
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.