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- LENOVO G 550BIOS · 2.00 MB · 28 Apr 2025BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 26 Sept 2023BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 25 Sept 2023BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 22 Sept 2023BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 17 Feb 2021BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 24 Dec 2020BIOS bin—2.00 MB
- LENOVO G 550BIOS · 2.00 MB · 1 Oct 2020BIOS bin—2.00 MB
- Lenovo 3000 G550 550A Compal LA 5082P Rev0.4 schematicSchematic · LA-5082P · 1.13 MB · 28 Apr 2025Schematic pdf1.13 MB
- LENOVO THINKPAD E550 AITE1 NM A221 REV 1 0 2014 09 12 i7 5500U WORKINBIOS · NM-A221 · 3.76 MB · 24 Sept 2025BIOS zip3.76 MB
- LENOVO G50 80 ACLU3 ACLU4 NM A361 REV1 0 2014 10 10 i7 5500U WORKINGBIOS · NM-A361 · 3.86 MB · 24 Sept 2025BIOS zip3.86 MB
- LENOVO G50 80 ACLU3 ACLU4 NM A361 REV1 0 2014 10 10 i7 5500U WORKING
BIOS image for the Lenovo G50-80 on LCFC motherboard NM-A361, revision 1.0, with ACLU3/ACLU4 codes and a 2014-10-10 date, specifically for the Intel Core i7-5500U…
BIOS · NM-A361 · 6.81 MB · 12 Mar 2023BIOS rar6.81 MB - LENOVO THINKPAD E550 AITE1 NM A221 REV 1 0 2014 09 12 i7 5500U WORKING
Working BIOS dump for the Lenovo ThinkPad E550, project AITE1 on LCFC board NM-A221 revision 1.0 dated 2014-09-12, taken from a unit with the Intel Core i7-5500U.
BIOS · NM-A221 · 9.30 MB · 24 Oct 2022BIOS rar9.30 MB - 19861-1 DELL Inspiron 5502 5509 16MB+ 8MB
BIOS archive for Dell Inspiron 5502 and 5509 laptops built on board 19861-1, with the name indicating both a 16MB and an 8MB image inside the RAR.
BIOS · 19861-1 · 13.4 MB · 25 Jul 2026BIOS rar13.4 MB - G 550 INTEL OKOKOK
RAR archive of 1.15 MB with BIOS firmware for a Lenovo G550 Intel variant, though the brand is inferred only from the model name.
BIOS · 1.15 MB · 23 Jul 2017BIOS rar—1.15 MB - 19795-1 Dell G3 15 3500 G5 15 5500 OK S BIOS WORLD
BIOS dump archive for Wistron board 19795-1, which the name ties to the Dell G3 15 3500 and G5 15 5500 laptops; the brand recorded in the index differs from the models…
BIOS · 19795-1 · 8.25 MB · 12 Jan 2026BIOS rar8.25 MB - LENOVO E550C NM-A221 E550C NM-A221 IT8586E OK
EC firmware for the Lenovo E550C on LCFC board NM-A221, naming the ITE IT8586E embedded controller and marked OK, meaning reported as working.
BIOS · NM-A221 · 91.3 KB · 24 Oct 2022BIOS rar91.3 KB - LENOVO IDEAPAD3 HS461 HS561 HS761 NM D521 REV 3 0 2021 17 7 CPU
BIOS dump for the Lenovo IdeaPad 3 family, covering the HS461, HS561 and HS761 boards, LCFC board number NM-D521 revision 3.0, with 2021 and CPU noted in the archive…
BIOS · NM-D521 · 5.52 MB · 11 Dec 2022BIOS rar5.52 MB - NM-D522 REV 2.0 LENOVO V15 AMD S BIOS WORLD
RAR archive holding a BIOS dump for the Lenovo V15 AMD laptop built on the NM-D522 board, revision 2.0.
BIOS · NM-D522 · 5.39 MB · 16 Dec 2025BIOS rar5.39 MB - 203021-1 Lenovo IdeaPad Flex 5-14ALC05
BIOS firmware package for the Lenovo IdeaPad Flex 5-14ALC05 with board number 203021-1, although the catalogue entry lists the brand as Apple.
BIOS · 203021-1 · 6.34 MB · 4 Jul 2026BIOS rar6.34 MB