ThinkPad T550 LSZ-1 MB 13251-1 (type 20CK) bios, schamatic
ThinkPad T550 LSZ-1 MB 13251-1 (type 20CK) bios bin zip
T550 LSZ-1 MB 13251-1 (type 20CK). pdf
T550 LSZ-1 MB 13251-1 EC bin zip
BOARDVIEW
ThinkPad T550 LSZ-1 MB 13251-1 (type 20CK) bios bin zip
T550 LSZ-1 MB 13251-1 (type 20CK). pdf
T550 LSZ-1 MB 13251-1 EC bin zip
BOARDVIEW
About this board
Files for the type 20CK) Lenovo ThinkPad T550 LSZ motherboard, board number 13251-1.
The board was manufactured by Wistron for Lenovo. Wistron board numbers are 5–6 digits plus a revision, so you can confirm it on the PCB silkscreen.
Files listed for this board
- BIOS (full SPI chip dump, .bin)
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine.
Have a tested file for 13251-1? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
(type 20CK) ThinkPad T550 LSZ-1 MB 13251-1 LSZ-1.bin.zip
6 MB · Views: 34
6 MB · Views: 34
EC MEC T550.bin.zip
109.8 KB · Views: 10
109.8 KB · Views: 10
ThinkPad T550 W550S LSZ-1 13251-1.pdf
12.4 MB · Views: 20
12.4 MB · Views: 20
ThinkPad T550 W550S Wistron LSZ-1 13251-1.gr.zip
86.6 KB · Views: 4
86.6 KB · Views: 4
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