BIOS

FA391_FA491_NM_C181_REV_1_0_2019_03_21_16MB_&1MB_&_KBEC_UNLOCK_IO.rar

BIOS / EC firmware for Asus FA391 / FA491 / &1MB · board NM-C181 · 16.3 MB · shared in 1 Telegram post.

TXTAbout FA391 FA491 NM-C181 REV 1 0 2019 03 21 16MB &1MB & KBEC UNLOCK IO BIOS / EC firmware

FA391 FA491 NM-C181 REV 1 0 2019 03 21 16MB &1MB & KBEC UNLOCK IO is an Asus FA391 / FA491 / &1MB BIOS / EC firmware dump for board NM-C181 (16 MB) — password unlock, tested. It is packed in a RAR archive of 16.3 MB, board revision 1, Ryzen 5 CPU. It was first posted on 10 Jul 2025 and is available in 1 Telegram channel.

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 NM-C181 revision 1.

For the same board you can also find a schematic and a boardview — see all NM-C181 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
16.3 MB
Brand
Asus
Board number
NM-C181
Model
FA391, FA491, &1MB
Revision
1
Flash size
16 MB
CPU
Ryzen 5
Notes
password unlock, tested
First posted
10 Jul 2025
Last posted
10 Jul 2025
Sources
1

Tags

MSGFrom the Telegram post

FA391 FA491 NM-C181 REV 1.0 2019-03-21 16MB &1MB & KBEC ( UNLOCK IO ITE 818641 192KB) AMD RYZEN 5 PRO 3500U BIOS OKOKOKOK TESTED OK 100%

J1Download NM-C181 BIOS / EC firmware from Telegram

R1How to download FA391 FA491 NM-C181 REV 1 0 2019 03 21 16MB &1MB & KBEC UNLOCK IO

  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 FA391_FA491_NM_C181_REV_1_0_2019_03_21_16MB_&1MB_&_KBEC_UNLOCK_IO.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 NM-C181. 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.