- Revisions
- Rev 2.1
- Files
- 1
- Updated
Acer CB3-431 is a laptop motherboard used in the Acer CB3-431.
The catalog has one BIOS file for it, posted in 2024. Each download button opens the original Telegram post.
The files are marked Rev 2.1; other revisions of the same board can differ in parts and layout.
Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.
Compatible models
Files for Acer CB3-431
BIOS and firmware 1 All bios and firmware →
- ACER Chrombook CB3-431 P4GCR MAIN rev 2.1 .rarDownload from Telegram
Frequently asked questions
Which revision of Acer CB3-431 do I have?
Files for this board mention Rev 2.1. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the Acer CB3-431 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.
Guides for this board
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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file