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- W25Q128 20180416 122918BIOS · 16.0 MB · 9 May 2025BIOS bin—16.0 MB
- 20210812 122913 SVOD3BIOS · 16.0 MB · 9 May 2025BIOS bin—16.0 MB
- 12291-2 spi 1BIOS · 12291-2 · 8.00 MB · 5 May 2025BIOS bin8.00 MB
- 12291-2 Late DisplayBIOS · 12291-2 · 8.00 MB · 5 May 2025BIOS bin8.00 MB
- W540 LKM-1 WS MB 12291-2 SP11BIOS · 12291-2 · 8.00 MB · 13 May 2025BIOS bin8.00 MB
- W540 LKM-1 WS MB 12291-2 SP11BIOS · 12291-2 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- W540 - LKN-1 WS MB 12291-2 OLDBIOS · 12291-2 · 8.00 MB · 6 May 2025BIOS bin8.00 MB
- W540 LKM-1 WS MB 12291-2 SP12BIOS · 12291-2 · 4.00 MB · 6 May 2025BIOS bin4.00 MB
- W540 LKM-1 WS MB 12291-2 N25Q032AX3 EC BIOS GOCBIOS · 12291-2 · 4.00 MB · 6 May 2025BIOS bin4.00 MB
- W540 LKM-1 WS MB 12291-2 N25Q064AX3 AC BIOS GOC ZINBIOS · 12291-2 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- lenovo W540 lkm-1 ws mb 12291-2 ok testedBIOS · 12291-2 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- lenovo W540 lkm-1 ws mb 12291-2 ok testedBIOS · 12291-2 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- AFS Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021BIOS · 12291-2 · 2.86 MB · 1 Feb 2024BIOS rar2.86 MB
- AFS Lenovo W540 LKM-1 WS MB 12291-2 Working BIOS DumpsBIOS · 12291-2 · 6.48 MB · 1 Feb 2024BIOS rar6.48 MB
- Lenovo W540 LKM-1 WS MB 12291-2 Both Bios JD BIOSBIOS · 12291-2 · 6.69 MB · 7 Apr 2021BIOS zip6.69 MB
- Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021 (Luirons Bios)BIOS · 12291-2 · 2.87 MB · 22 Feb 2021BIOS rar2.87 MB
- LKM 1 WS MB 12291 2 48 4LO13 021 WORKING BIOS 100% telegram BIOSBIOS · 5.94 MB · 24 Sept 2025BIOS zip—5.94 MB
- Lenovo W540 LKM 1 WS MB 12291 2 Working BIOS Dumps telegram BIOSBIOS · 6.82 MB · 24 Sept 2025BIOS zip—6.82 MB
- Lenovo W540 LKM 1 WS MB 12291 2 Working BIOS Dumps Luirons BiosBIOS · 6.49 MB · 23 Feb 2021BIOS rar—6.49 MB
- LKM 1 WS MB 12291 2 48 4LO14 021 SPI1 & SPI2 WORKING BIOS 100% telegramBIOS · 5.91 MB · 24 Sept 2025BIOS zip—5.91 MB
- LKM 1 WS MB 12291 2 48 4LO13 021 NP15 Q3 A1i7 4940MX WORKING BIOSBIOS · 12.4 MB · 24 Sept 2025BIOS zip—12.4 MB
- Lenovo W540 LKM 1 WS MB 12291 2 48 4L013 021 Working BIOS DumpsBIOS · 6.82 MB · 24 Sept 2025BIOS zip—6.82 MB
- LENOVO THINKPAD W541 LKM 1 WS MB 12291 2 48 4L013 021 WORKING BIOSBIOS · 6.07 MB · 24 Sept 2025BIOS zip—6.07 MB
- LENOVO THINKPAD W541 LKM 1 WS MB 12291 2 48 4L013 021 OKOK WORKINGBIOS · 5.94 MB · 24 Sept 2025BIOS zip—5.94 MB
- Lenovo w541 LKM 1 WS MB 12291 2 28 4L013 021 telegram BIOS RepairBIOS · 3.07 MB · 24 Sept 2025BIOS zip—3.07 MB
- AFS Lenovo W540 LKM 1 WS MB 12291 2 48 4L013 021 Working BIOS DumpsBIOS · 6.48 MB · 1 Feb 2024BIOS rar—6.48 MB
- MEC1633 W540 12291-2.bin
EC firmware image in a ZIP of 108 KB for the Lenovo ThinkPad W540, meant for the MEC1633 embedded controller on board 12291-2, a Wistron-designed motherboard number.
BIOS · 12291-2 · 108 KB · 1 Aug 2022BIOS zip108 KB - W540 LKM-1 WS MB 12291-2 N25Q064AX3 AC BIOS GOC ZIN
BIOS dump for a W540 laptop with motherboard LKM-1, Wistron board number 12291-2, read from a Micron N25Q064AX3 64 Mbit chip; the name also marks it AC and GOC ZIN…
BIOS · 12291-2 · 3.39 MB · 1 Aug 2022BIOS rar3.39 MB - LKM-1 WS MB 12291-2 48.4LO13.021 WORKING BIOS 100%
BIOS dump for the LKM-1 WS mainboard, Wistron board number 12291-2 with identifier 48.4LO13.021, marked as fully working. It comes as an 8.05 MB rar archive.
BIOS · 12291-2 · 8.05 MB · 28 Feb 2024BIOS rar8.05 MB - W540 LKM-1 WS MB 12291-2 N25Q032AX3 EC BIOS GOC
EC BIOS image for a W540 laptop board LKM-1, Wistron number 12291-2, read from a Micron N25Q032AX3 chip, a 32 Mbit (4 MB) SPI device, with GOC added in the name.
BIOS · 12291-2 · 2.82 MB · 1 Aug 2022BIOS rar2.82 MB - Lenovo W540 LKM-1 WS MB 12291-2 Working BIOS Dumps
BIOS dumps for the Lenovo ThinkPad W540 on the Wistron LKM-1 WS board 12291-2, described as working, packed in a 6.69 MB ZIP.
BIOS · 12291-2 · 6.69 MB · 16 Mar 2019BIOS zip6.69 MB - LKM 1 WS MB 12291 2 48 4LO14 021 SPI1 & SPI2 WORKING BIOS 100%
Working firmware for the LKM-1 WS board, Wistron number 12291-2, identifier 48.4LO14.021, containing separate SPI1 and SPI2 images.
BIOS · 12291-2 · 9.18 MB · 28 Feb 2024BIOS rar9.18 MB - LKM 1 WS MB 12291 2 48 4LO13 021 NP15 Q3 A1i7 4940MX WORKING BIOS
Working BIOS for the LKM-1 WS platform on Wistron board 12291-2, identifier 48.4LO13.021, with NP15-Q3-A1 and Core i7-4940MX tokens indicating the GPU and CPU…
BIOS · 12291-2 · 17.9 MB · 28 Feb 2024BIOS rar17.9 MB - Lenovo W540 LKM 1 WS MB 12291 2 48 4L013 021 Working BIOS Dumps
Collection of working BIOS dumps for the Lenovo ThinkPad W540, with the board identified as LKM-1 WS MB 12291-2, packed in a 6.73 MB zip archive.
BIOS · 6.73 MB · 23 Sept 2021BIOS zip—6.73 MB - THINKPAD W541 LKM 1 WS MB 12291 2 48 4L013 021 CPU—i7 4710M SR17C
BIOS image for the ThinkPad W541 on the LKM-1 WS motherboard, Wistron 12291-2, part 48.4L013.021, with the name noting an Intel Core i7-4710M processor, stepping code…
BIOS · 12291-2 · 5.89 MB · 8 Aug 2023BIOS rar5.89 MB - LENOVO THINKPAD W541 LKM 1 WS MB 12291 2 48 4L013 021 OKOK WORKING
Working BIOS dump for the Lenovo ThinkPad W541, LKM-1 WS motherboard, Wistron board 12291-2 with identifier 48.4L013.021, double-confirmed OK.
BIOS · 12291-2 · 7.07 MB · 8 Aug 2023BIOS rar7.07 MB - LENOVO THINKPAD W541 LKM 1 WS MB 12291 2 48 4L013 021 WORKING BIOS
Working BIOS for the Lenovo ThinkPad W541, motherboard LKM-1 WS, Wistron board number 12291-2 with part code 48.4L013.021, packed as a 6.73 MB RAR.
BIOS · 12291-2 · 6.73 MB · 8 Aug 2023BIOS rar6.73 MB - Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021
BIOS firmware for the Lenovo ThinkPad W541, Wistron board 12291-2 with the project label LKM-1 WS MB and the part code 28.4L013.021.
BIOS · 12291-2 · 2.87 MB · 22 Nov 2020BIOS rar2.87 MB - MEC W540.bin
Zipped binary of 108 KB labelled as MEC firmware for the Lenovo ThinkPad W540, referring to the MEC1633 embedded controller that runs power-on sequencing, battery and…
BIOS · 108 KB · 1 Aug 2022BIOS zip—108 KB