- Board code
17821-2M- Made by
- Wistron
- Files
- 7
- Updated
Lenovo Thinpad LKL-1 17821-2M is a laptop motherboard designed by Wistron and used in the Lenovo Thinpad LKL-1, Lenovo ThinkPad L380, Lenovo Yoga L380 and Lenovo Thinpad L380 and 1 more.
The catalog has 7 BIOS files for it, posted between 2021 and 2025. Each download button opens the original Telegram post.
BIOS notes: file names mention 1 MB and 16 MB chip sizes. 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 17821-2, 448.0CT05, 448.0CT04, 17821-1N.
Compatible models
- Lenovo Thinpad LKL-1
- Lenovo ThinkPad L380
- Lenovo Yoga L380
- Lenovo Thinpad L380
- Lenovo ThinkPad L380 Yoga
Files for Lenovo Thinpad LKL-1 17821-2M
BIOS and firmware 7 All bios and firmware →
- lenovo thinkpad l380 yoga 20m7 17821-2m TESTED OK.rarDownload from Telegram
- LENOVO_YOGA_L380_LKL_1_MB_17821_2M_448_0CT05_002M_UNLOCKED_BIOS_.rarDownload from Telegram
- LKL-1 MB 17821-2 448.0CT04.0021 WORKING BIOS CPU 8 GEN TH.rarDownload from Telegram
- Thinpad l380 LKL-1 MB 17821-2 Bios WORKING BIOS.rarDownload from Telegram
- ThinkPad L380 (type 20M5, 20M6) 17821-2m r0ruj15w.rarDownload from Telegram
- LENOVO_THINKPAD_L380_LKL_1_MB_17821_2M_448_0CT04_002_i7_8550U_WORKING.rarDownload from Telegram
- LKL-1 MB 17821-1N 16MB BIOS.rarDownload from Telegram
Notes from the source posts
- You can give us as a gift.
Frequently asked questions
Which laptops use the 17821-2M motherboard?
File names in the catalog tie 17821-2M to the Lenovo Thinpad LKL-1, Lenovo ThinkPad L380, Lenovo Yoga L380, Lenovo Thinpad L380 and Lenovo ThinkPad L380 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 17821-2M BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 1 MB and 16 MB images; the dump size must match your 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