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
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools @biosarchive · 25 Apr 2021Open post
R1How to download 520 15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1 0 2017 07 03 CLEAR
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- 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.
- 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.