Le Lenovo · laptop motherboard
Lenovo 4RQ21 Schematics, boardviews & board numbers
Every Lenovo 4RQ21 file in the library: 2 BIOS files.
- Lenovo ThinkPad X1 Carbon 11246 1 LGS 1 MB 48 4RQ21 011 Type 3443BIOS
- Thinkpad X1 Carbon 11246 1 LGS 1 48 4RQ21 011 BIOS & EC 4MB & 1MBBIOS