Le Lenovo · laptop motherboard
Lenovo B521 Schematics, boardviews & board numbers
Every Lenovo B521 file in the library: 5 BIOS files, 1 boardview. Board numbers: NM-B521. Several revisions are listed — pick the one printed on your board.
- LENOVO X280 Type 20KF,20KE Laptop Thinkpad Type 20KE EX280 NM B521NM-B521BIOS
- Lenovo EX280 NM B521 Rev 1.0 2017 10 06 BIOS & MEC Tested BIOSNM-B521BIOS
- LENOVO THINKPAD X280 EX280 NM B521 REV 2.0 2018 03 29 8TH Gen CPUNM-B521BIOS
- LENOVO THINLPAD X280 EX280 NM B521 REV 1.0 2017 06 10 I5 8250U WORKINGNM-B521BIOS
- Lenovo ThinkPad X280 FN1KR 2 LCFC EX280 NM B521 Rev 0.3NM-B521Boardview
- LENOVO ThinkPad EX280 NM B521 Rev 1.0 X280 Type 20KF, 20KENM-B521BIOS