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Le Lenovo · laptop motherboard

Lenovo B421 Schematics, boardviews & board numbers

Every Lenovo B421 file in the library: 3 BIOS files. Board numbers: NM-B421. Several revisions are listed — pick the one printed on your board.

ThinkPad E480 EE480 EE580 NM B421 Rev 1.0 2017 10 30 AMD 216 0905004NM-B421BIOS
Lenovo E480 EE480 EE580 NM B421 Rev 1.0 2017 10 30 Working BIOSNM-B421BIOS
Lenovo ThinkPad R480 NM B421 1 0 EE480 EE580 Original 16 MB BIOSNM-B421BIOS

Other Lenovo models

All Lenovo files

Lenovo B361 Lenovo B365 Lenovo B391 Lenovo B40 Lenovo B40-30 Lenovo B41-35 Lenovo B450 Lenovo B451 Lenovo B452 Lenovo B453 Lenovo B460 Lenovo B470

Not sure which file fits?

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