BIOS

B5404CVA B3404CVF_MB old.BIN.zip

BIOS / EC firmware · 14.4 MB · shared in 2 Telegram posts.

TXTAbout B5404CVA B3404CVF MB old.BIN BIOS / EC firmware

B5404CVA B3404CVF MB old.BIN is a B5404CVA / B3404CVF BIOS / EC firmware dump. It is packed in a ZIP archive of 14.4 MB. It was first posted on 23 Nov 2025 and is available in 2 Telegram channels.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is B5404CVA.

Type
BIOS & EC
Format
.zip · ZIP archive
Size
14.4 MB
Brand
—
Model
B5404CVA, B3404CVF
First posted
23 Nov 2025
Last posted
23 Nov 2025
Sources
2

Tags

J1Download B5404CVA BIOS / EC firmware from Telegram

R1How to download B5404CVA B3404CVF MB old.BIN

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file B5404CVA B3404CVF_MB old.BIN.zip to download it.
  3. Open it with Built into Windows and macOS or 7-Zip (free).

If a post was deleted, try another source above or search for B5404CVA. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.ZIPWhat is a .zip file and how to open it?

ZIP archive. A compressed folder with one or more files inside.

Open with:

  • Built into Windows and macOS
  • 7-Zip (free)