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- MEC1663BIOS · 256 KB · 3 Oct 2025BIOS bin—256 KB
- EC MEC1663BIOS · 192 KB · 9 May 2025BIOS bin—192 KB
- X390 8 CPU MEC1663BIOS · 256 KB · 5 May 2025BIOS bin—256 KB
- NM B891 MEC1663BIOS · NM-B891 · 288 KB · 29 Apr 2025BIOS bin288 KB
- EEPROM EC MEC1663 0x02202445 2KB CRC32 0x7892AA24BIOS · 412 B · 8 Oct 2025BIOS zip—412 B
- FLASH EC MEC1663 0x02202445 288KB CRC32 0xFC576E26BIOS · 288 KB · 7 May 2025BIOS bin—288 KB
- NM-B901 T590 MEC1663.BINBIOS · NM-B901 · 288 KB · 5 May 2025BIOS bin288 KB
- NM-B901 T590 MEC1663.EPROMBIOS · NM-B901 · 2.00 KB · 5 May 2025BIOS bin2.00 KB
- EEPROM EC MEC1663 0x02202445 2KB CRC32 0x010D86F0 MEC PatchedBIOS · 2.00 KB · 7 May 2025BIOS bin—2.00 KB
- MEC1663 NM-B901 REV 1 OK telegram BIOS Repair-2025-09-16BIOS · NM-B901 · 271 KB · 24 Sept 2025BIOS zip271 KB
- EEPROM EC MEC1663 t490BIOS · 2.00 KB · 17 Feb 2024BIOS bin—2.00 KB
- MEC1663 NM-B901 REV 1 OKBIOS · NM-B901 · 175 KB · 17 Jul 2024BIOS rar175 KB
- LENOVO X480 NM B481 1 0 2017 12 27 BIOS & EC MEC1663 telegram BIOSBIOS · NM-B481 · 6.27 MB · 24 Sept 2025BIOS zip6.27 MB
- EEPROM EC MEC1663 0x02202445 2KB CRC32 0x7892AA24BIOS · NM-B891 · 384 B · 8 Oct 2025BIOS rar384 B
- NM C931 RV 1 0 FLACH+ EEPROM EC MEC1663 0x02202445 2KB CRC32 0x010D86F0BIOS · NM-C931 · 545 B · 10 Jun 2024BIOS rar545 B
- LENOVO X480 NM-B481 1.0 2017-12-27 BIOS & EC MEC1663
Lenovo ThinkPad X480 firmware package for board NM-B481 revision 1.0, dated 2017-12-27, holding both BIOS and EC images with a Microchip MEC1663 embedded controller…
BIOS · NM-B481 · 6.06 MB · 13 Apr 2022BIOS rar6.06 MB - NM C931 RV 1 0 FLACH+ EEPROM EC MEC1663 0x02202445 2KB CRC32 0x010D86F0
EC firmware for the Lenovo-designed LCFC board NM-C931 at revision 1.0, covering the flash and EEPROM contents for a Microchip MEC1663 embedded controller.
BIOS · NM-C931 · 46.1 KB · 1 Jun 2024BIOS rar46.1 KB - LENOVO X1 YOGA GEN 5 NM C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445
EC firmware dump for the Lenovo ThinkPad X1 Yoga Gen 5, built on LCFC board NM-C881 revision 1, marked as tested and working.
BIOS · NM-C881 · 46.1 KB · 19 May 2024BIOS rar46.1 KB - LENOVO~1BIOS · NM-B901 · 21.4 MB · 5 Sept 2026BIOS rar21.4 MB
- LENOVO~1BIOS · NM-B901 · 21.4 MB · 26 Jul 2026BIOS rar21.4 MB
- LENOVO~1BIOS · NM-B901 · 21.4 MB · 8 May 2026BIOS rar21.4 MB
- LENOVO THINKPAD T490 T590 FT490 FT492 FT590 FP531 NM B901 REV 1
Firmware package for Lenovo ThinkPad T490 and T590, with board codes FT490, FT492, FT590 and FP531, built on LCFC motherboard NM-B901 revision 1.
BIOS · NM-B901 · 29.9 MB · 6 May 2023BIOS rar29.9 MB - FT491 FX390 NM B891 REV 2 0 2019 01 28 32MB WORKING BIOS 100%
Lenovo BIOS dump for an LCFC mainboard numbered NM-B891, revision 2.0, with the FT491 and FX390 platform codes listed in the name.
BIOS · NM-B891 · 14.2 MB · 20 Jan 2024BIOS rar14.2 MB