BIOS

GS450_GS550_GS750_NM_C821_REV_1_0_2019_15_05_WORKING_BIOS_100%.rar

BIOS / EC firmware for Compal GS450 / GS550 / GS750 · board NM-C821 · 10.2 MB · shared in 1 Telegram post.

TXTAbout GS450 GS550 GS750 NM-C821 REV 1 0 2019 15 05 WORKING BIOS 100% BIOS / EC firmware

GS450 GS550 GS750 NM-C821 REV 1 0 2019 15 05 WORKING BIOS 100% is a Compal GS450 / GS550 / GS750 BIOS / EC firmware dump for board NM-C821 — tested. It is packed in a RAR archive of 10.2 MB, board revision 1. It was first posted on 28 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-C821 revision 1.

For the same board you can also find a schematic, board packs and a boardview — see all NM-C821 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
10.2 MB
Brand
Compal
Board number
NM-C821
Model
GS450, GS550, GS750
Revision
1
Notes
tested
First posted
28 Sept 2022
Last posted
28 Sept 2022
Sources
1

Tags

MSGFrom the Telegram post

GS450 GS550 GS750 NM-C821 REV 1.0 2019-15-05 WORKING BIOS 100% TESTED OK 100%

J1Download NM-C821 BIOS / EC firmware from Telegram

R1How to download GS450 GS550 GS750 NM-C821 REV 1 0 2019 15 05 WORKING BIOS 100%

  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 GS450_GS550_GS750_NM_C821_REV_1_0_2019_15_05_WORKING_BIOS_100%.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-C821. 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.