BIOS

520_15IKB_EG521_EG522_EZ511_EG721_NM_B452_REV_1_0_2017_07_03_CLEAR.rar

BIOS / EC firmware for Compal 15IKB / EG521 / EG522 · board NM-B452 · 5.0 MB · shared in 1 Telegram post.

TXTAbout 520 15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1 0 2017 07 03 CLEAR BIOS / EC firmware

520 15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1 0 2017 07 03 CLEAR is a Compal 15IKB / EG521 / EG522 BIOS / EC firmware dump for board NM-B452. It is packed in a RAR archive of 5.0 MB, board revision 1. It was first posted on 25 Apr 2021 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-B452 revision 1.

For the same board you can also find a boardview, a schematic and board packs — see all NM-B452 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.0 MB
Brand
Compal
Board number
NM-B452
Model
15IKB, EG521, EG522
Revision
1
First posted
25 Apr 2021
Last posted
25 Apr 2021
Sources
1

Tags

J1Download NM-B452 BIOS / EC firmware from Telegram

R1How to download 520 15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1 0 2017 07 03 CLEAR

  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 520_15IKB_EG521_EG522_EZ511_EG721_NM_B452_REV_1_0_2017_07_03_CLEAR.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-B452. 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.