BIOS

BIOS ASUS X409UB REV 2.0_4MATIC.rar

BIOS / EC firmware for Asus X409UB / 4MATIC · 5.4 MB · shared in 4 Telegram posts.

TXTAbout BIOS ASUS X409UB REV 2.0 4MATIC BIOS / EC firmware

BIOS ASUS X409UB REV 2.0 4MATIC is an Asus X409UB / 4MATIC BIOS / EC firmware dump. It is packed in a RAR archive of 5.4 MB, board revision 2.0. It was first posted on 11 Nov 2021 and is available in 4 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 X409UB revision 2.0.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.4 MB
Brand
Asus
Model
X409UB, 4MATIC
Revision
2.0
First posted
11 Nov 2021
Last posted
13 Jul 2025
Sources
4

Tags

J1Download X409UB BIOS / EC firmware from Telegram

R1How to download BIOS ASUS X409UB REV 2.0 4MATIC

  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 BIOS ASUS X409UB REV 2.0_4MATIC.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for X409UB. 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.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.