Lenovo · laptop motherboard

Lenovo ThinkPad L390 18724-1M

SchematicBIOS
Board code
18724-1M
Made by
Wistron
Files
12
Updated

Lenovo ThinkPad L390 18724-1M is a laptop motherboard designed by Wistron and used in the Lenovo ThinkPad L390, Lenovo ThinkPad LKL-2, Lenovo ThinkPad S2 and Lenovo ThinkPad L390 Yoga.

The catalog has 2 schematics and 10 BIOS files for it, posted between 2021 and 2026 across 4 Telegram channels. Each download button opens the original Telegram post.

The schematic files are PDFs; the first pages usually hold the block diagram and the power sequence. New to schematics? Start with How to Use a Schematic and a Boardview Together.

BIOS notes: file names mention 1 MB, 2 MB, 16 MB and 32 MB chip sizes; some archives also hold EC/KBC firmware. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Also listed under codes 448.0FC04, 18724-1.

Compatible models

Files for Lenovo ThinkPad L390 18724-1M

Schematics 2 All schematics →

BIOS and firmware 10 All bios and firmware →

Frequently asked questions

Which laptops use the 18724-1M motherboard?
File names in the catalog tie 18724-1M to the Lenovo ThinkPad L390, Lenovo ThinkPad LKL-2, Lenovo ThinkPad S2 and Lenovo ThinkPad L390 Yoga. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
What should I check before flashing the 18724-1M BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 1 MB, 2 MB, 16 MB and 32 MB images; the dump size must match your chip. Some archives include EC/KBC firmware, which may need to be written to a separate chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file