13251-1 is a Wistron motherboard used in Lenovo devices. Enginerys has 4 schematics, 3 boardviews, 2 BIOS dumps and 3 archives for this board, collected from public Telegram channels.
Check that 13251-1 matches the number printed on your PCB, including the revision. Where to find it →
13251-1 schematics
- ThinkPad T550 W550S Wistron LSZ-1 13251-1 PDFSchematic · 13251-1 · 12.4 MB · 13 Sept 2021Schematic pdf12.4 MB
- ThinkPad T550 W550S Wistron LSZ-1 13251-1 PDF
Schematic diagram in PDF format, packed in RAR, for the ThinkPad T550 and W550s, designed by Wistron under the LSZ-1 project with board number 13251-1.
Schematic · 13251-1 · 5.91 MB · 12 Jun 2021Schematic rar5.91 MB - Lenovo ThinkPad T550 W550S Wistron LSZ-1 13251-1 Schematic
Wistron schematic for the Lenovo ThinkPad T550 and W550s, project LSZ-1, board 13251-1, supplied as a RAR archive.
Schematic · 13251-1 · 3.60 MB · 12 Jun 2021Schematic rar3.60 MB - Lenovo ThinkPad T550 W550S Wistron LSZ-1 13251-1 Schematic
PDF schematic shared by the Lenovo ThinkPad T550 and W550s, Wistron project LSZ-1, board number 13251-1.
Schematic · 13251-1 · 7.74 MB · 23 Feb 2021Schematic pdf7.74 MB
13251-1 boardviews
- 13251-1Boardview · 13251-1 · 296 KB · 5 May 2025Boardview gr296 KB
- Lenovo ThinkPad T550 W550S Wistron LSZ-1 13251-1 Boardview
Boardview for the Lenovo ThinkPad T550 and W550s motherboard, Wistron LSZ-1 number 13251-1, provided as a ZIP.
Boardview · 13251-1 · 145 KB · 12 Jun 2021Boardview zip145 KB - Lenovo ThinkPad T550 W550S Wistron LSZ-1 13251-1 BoardviewBoardview · 13251-1 · 98.9 KB · 23 Feb 2021Boardview zip98.9 KB
13251-1 BIOS dumps
- lsz-1 mb 13251-1 mec ec
EC firmware archive for a laptop main board numbered 13251-1, with the LSZ-1 project code also in the name and MEC indicating a Microchip MEC-series embedded controller.
BIOS · 13251-1 · 110 KB · 25 Apr 2026BIOS zip110 KB - BIOS ThinkPad T550 W550S Wistron LSZ-1 13251-1
BIOS dump collection for the Lenovo ThinkPad T550 and W550s, a Wistron LSZ-1 design with board number 13251-1.
BIOS · 13251-1 · 5.93 MB · 12 Jun 2021BIOS rar5.93 MB
13251-1 archives
- lsz-1 mb 13251-1
ZIP archive of 5.96 MB for motherboard 13251-1, which matches the Wistron numbering pattern, labelled with an LSZ-1 MB project tag.
Archive · 13251-1 · 5.96 MB · 24 Apr 2026Archive zip5.96 MB - ThinkPad T550 W550S Wistron LSZ-1 13251-1Archive · 13251-1 · 5.93 MB · 20 Apr 2022Archive rar5.93 MB
- ThinkPad T550 W550S Wistron LSZ-1 13251-1.gr
Small ZIP for the Lenovo ThinkPad T550 and W550s, on the Wistron LSZ-1 board numbered 13251-1.
Archive · 13251-1 · 132 KB · 12 Jun 2021Archive zip132 KB
Questions about 13251-1
Is there a schematic for 13251-1?
Yes. Enginerys lists 4 schematic files for 13251-1. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 13251-1?
Yes, 3 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 13251-1 board?
13251-1 follows the Wistron numbering scheme (xxxxx-x). It is found in Lenovo devices.