NM-B521 schematics, boardview and BIOS
9 files for board NM-B521, designed by Compal: 1 schematic, 1 boardview file, and 7 BIOS dumps.
Platform codename: EX280
Models that use this board
Files
| Type | |||
|---|---|---|---|
| Lenovo X280 EX280 NM-B521 BIOS | BIOS | 6.3 MB | 8/20/25 |
| EX280 NM-B521 BIOS (REV 2.0, clean ME) | BIOS | 6.2 MB | 5/13/24 |
| EX280 NM-B521 BIOS (REV 2.0) | BIOS | 17 MB | 5/12/24 |
| Lenovo EX280 NM-B521 BIOS (REV 1.0) | BIOS | 12 MB | 9/28/23 |
| Lenovo ThinkPad X280 EX280 NM-B521 BIOS | BIOS | 11 MB | 6/21/23 |
| Lenovo EX280 NM-B521 BIOS (REV 1.0) | BIOS | 8.9 MB | 6/17/23 |
| NM-B521 Schematic | Schematic | 1.5 MB | 2/5/22 |
| Lenovo ThinkPad X280 EX280 NM-B521 Boardview | Boardview | 0.3 MB | 3/2/21 |
| Lenovo ThinkPad EX280 NM-B521 BIOS | BIOS | 6.1 MB | 1/18/21 |
9 files