Dell M421R DA0R0AMB6D0 R0AA REV:2
biosbin.zip
biosbin.zip
About this board
This thread is for the Dell M421R R0AA with main board DA0R0AMB6D0.
Dell had this board built by Quanta; Quanta board numbers start with DA and include MB. Check the number printed on the PCB before you download. Board revision: 2. Match the revision as well as the board number.
Files usually needed for this board
- BIOS (full SPI chip dump, .bin)
- EC / KBC firmware, if the board uses a separate EC chip
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
If you have a working file for this board, please share it below. More files: search DA0R0AMB6D0 in File Finder.
Attachments
Dell M421R AMD DAOR0AMB6D0 EC.rar
51.1 KB · Views: 2
51.1 KB · Views: 2
Dell M421R AMD DAOR0AMB6D0 PCH.rar
1.7 MB · Views: 2
1.7 MB · Views: 2
