BIOS

GY552_553_557_558_GY559B_55C_55F_55G_GY752_753_NM_C921_REV_1_0_2020.rar

BIOS / EC firmware for Compal GY552 / GY559B / 55C · board NM-C921 · 6.0 MB · shared in 1 Telegram post.

Download in Telegram Similar files

TXTAbout GY552 553 557 558 GY559B 55C 55F 55G GY752 753 NM-C921 REV 1 0 2020 BIOS / EC firmware

GY552 553 557 558 GY559B 55C 55F 55G GY752 753 NM-C921 REV 1 0 2020 is a Compal GY552 / GY559B / 55C BIOS / EC firmware dump for board NM-C921. It is packed in a RAR archive of 6.0 MB, board revision 1. It was first posted on 8 Sept 2022 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-C921 revision 1.

For the same board you can also find a boardview and a schematic — see all NM-C921 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
6.0 MB
Brand
Compal
Board number
NM-C921
Model
GY552, GY559B, 55C
Revision
1
First posted
8 Sept 2022
Last posted
8 Sept 2022
Sources
1

Tags

NM-C921 BIOSNM-C921 BIOS binCompal NM-C921Compal GY552 BIOSCompal GY552 motherboardCompal GY552 BIOS dumpBIOS bin fileSPI flash dumpCompal laptop BIOS binBIOS free download

MSGFrom the Telegram post

GY552 553 557 558 GY559B 55C 55F 55G GY752 753 NM-C921 REV 1.0 2020-02-14 BIOS

J1Download NM-C921 BIOS / EC firmware from Telegram

R1How to download GY552 553 557 558 GY559B 55C 55F 55G GY752 753 NM-C921 REV 1 0 2020

  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 GY552_553_557_558_GY559B_55C_55F_55G_GY752_753_NM_C921_REV_1_0_2020.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-C921. 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.