18729-1 is a Wistron motherboard used in Lenovo devices. Enginerys has 4 schematics, 7 BIOS dumps and 5 archives for this board, collected from public Telegram channels.
Check that 18729-1 matches the number printed on your PCB, including the revision. Where to find it →
18729-1 schematics
- Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1 PDFSchematic · 18729-1 · 7.74 MB · 14 Nov 2025Schematic pdf7.74 MB
- Bumblebee-1 18729-1 MB circuitSchematic · 18729-1 · 7.78 MB · 5 May 2025Schematic pdf7.78 MB
- X390 Yoga Bumblebee-1 18729-1 MB circuitSchematic · 18729-1 · 6.96 MB · 5 May 2025Schematic pdf6.96 MB
- Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1
ThinkPad X390 Yoga schematic, project Bumblebee-1, board number 18729-1, provided as a 7.74 MB PDF.
Schematic · 18729-1 · 7.74 MB · 31 Mar 2021Schematic pdf7.74 MB
18729-1 BIOS dumps
- LENOVO ThinkPad X390 Yoga LBB 1 MB 18729 1 448 0G104 0011 32MB BIOSBIOS · 18729-1 · 10.9 MB · 29 Sept 2026BIOS rar10.9 MB
- LBB-1 MB 18729-1 448.0G105.0011 WORKING BIOS 100% OKBIOS · 18729-1 · 12.7 MB · 28 Sept 2026BIOS rar12.7 MB
- SM BIOS LENOVO X390 Yoga Type 20NN, 20NQ Laptop ThinkPad Type 20NQ
BIOS firmware archive for the Lenovo ThinkPad X390 Yoga, covering machine types 20NN and 20NQ, with the name pointing to type 20NQ specifically.
BIOS · 18729-1 · 15.0 MB · 24 May 2026BIOS rar15.0 MB - 18729-1 Y OKBIOS · 18729-1 · 32.0 MB · 9 May 2025BIOS bin32.0 MB
- LENOVO ThinkPad X390 Yoga LBB 1 MB 18729 1 448 0G104 0011 WOEKINGBIOS · 18729-1 · 15.7 MB · 4 May 2024BIOS rar15.7 MB
- Lenovo X390 Yoga-18729-1 18729-1 BIOS OK
Lenovo ThinkPad X390 Yoga firmware for board 18729-1, noted as OK, contained in a 13.2 MB RAR.
BIOS · 18729-1 · 13.2 MB · 28 Aug 2023BIOS rar13.2 MB - LBB-1 MB 18729-1 WORKING BIOS 100%
Working BIOS package for board 18729-1 labelled LBB-1 MB, a 14.6 MB RAR archive without a stated brand.
BIOS · 18729-1 · 14.6 MB · 28 Aug 2023BIOS rar14.6 MB
18729-1 archives
- X390 Yoga 20NN 20NQ LBB-1 18729-1Archive · 18729-1 · 34.5 MB · 15 May 2026Archive rar34.5 MB
- Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1Archive · 18729-1 · 4.63 MB · 24 Apr 2022Archive rar4.63 MB
- Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1
RAR archive for the Lenovo ThinkPad X390 Yoga, Wistron project Bumblebee-1, board number 18729-1, about 4.63 MB.
Archive · 18729-1 · 4.63 MB · 24 Apr 2022Archive rar4.63 MB - Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1
Archive for the Lenovo ThinkPad X390 Yoga built on board 18729-1, with the project code name Bumblebee-1 given in the name.
Archive · 18729-1 · 4.63 MB · 8 Feb 2021Archive rar4.63 MB - Lenovo Thinkpad X390 Yoga Bumblebee-1 18729-1
RAR archive for the Lenovo ThinkPad X390 Yoga, project Bumblebee-1, with Wistron board number 18729-1.
Archive · 18729-1 · 4.63 MB · 7 Feb 2021Archive rar4.63 MB
Questions about 18729-1
Is there a schematic for 18729-1?
Yes. Enginerys lists 4 schematic files for 18729-1. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 18729-1?
No boardview has been indexed for 18729-1 yet.
Who makes the 18729-1 board?
18729-1 follows the Wistron numbering scheme (xxxxx-x). It is found in Lenovo devices.