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- LSZ-1BIOS · 16.0 MB · 5 May 2025BIOS bin—16.0 MB
- LENOVO THINKPAD P50S LSZ-2 MB 15202-3 BIOS OKBIOS · 15202-3 · 7.46 MB · 11 Jun 2026BIOS rar7.46 MB
- LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031BIOS · 15202-3 · 16.0 MB · 11 Jun 2026BIOS bin16.0 MB
- BIOS ThinkPad T550 W550S Wistron LSZ 1 13251 1 telegram BIOS RepairBIOS · 6.20 MB · 19 Sept 2025BIOS zip—6.20 MB
- LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031BIOS · 15202-3 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- ThinkPad T560 lsz-2 mb 15202-2 15202-1 BIOS OKBIOS · 15202-2 · 5.31 MB · 11 Jun 2026BIOS rar5.31 MB
- LENOVO Tinkpad T560 BIOS LSZ 2 MB 15202 3 i5 6200U WORKING BIOSBIOS · 7.98 MB · 24 Sept 2025BIOS zip—7.98 MB
- LENOVO ThinkPad T560 LSZ 2 MB 15202 2 15202 1 TESTED OKOKOK telegramBIOS · 5.33 MB · 24 Sept 2025BIOS zip—5.33 MB
- LENOVO THINKPAD P50S LSZ 2 MB 15202 3 448 06D04 0031 telegram BIOSBIOS · 7.81 MB · 24 Sept 2025BIOS zip—7.81 MB
- 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 - AFS LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031
BIOS archive for the Lenovo ThinkPad P50s, platform LSZ-2, with motherboard 15202-3 and reference 448.06D04.0031.
BIOS · 15202-3 · 7.46 MB · 1 Feb 2024BIOS rar7.46 MB - LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031
BIOS dump for the Lenovo ThinkPad P50s, mainboard LSZ-2 with board number 15202-3 and part code 448.06D04.0031.
BIOS · 15202-3 · 7.72 MB · 6 Nov 2021BIOS zip7.72 MB - 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 - LENOVO ThinkPad T560 LSZ-2 MB 15202-2 15202-1 TESTED OKOKOK
Tested BIOS dump for the Lenovo ThinkPad T560, labelled LSZ-2 with motherboard numbers 15202-2 and 15202-1, stored in a 5.37 MB RAR archive and marked as confirmed good.
BIOS · 15202-2 · 5.37 MB · 26 Aug 2023BIOS rar5.37 MB - LENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031
Firmware archive for the Lenovo ThinkPad P50s, board LSZ-2, with the Wistron board codes 15202-3 and 15202-2 and part number 448.06D04.0031.
BIOS · 15202-3 · 7.46 MB · 25 Jun 2026BIOS rar7.46 MB - LENOVO Tinkpad T560 BIOS LSZ 2 MB 15202 3 i5 6200U WORKING BIOS
BIOS image for the Lenovo ThinkPad T560, Wistron board 15202-3 with LSZ-2 marking, from a machine running an Intel Core i5-6200U and labelled as working.
BIOS · 15202-3 · 8.66 MB · 20 Jun 2023BIOS rar8.66 MB