GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK.rar
BIOS / EC firmware for Compal GX4A0 / GYG50 · board NM-C881 · 8.7 MB · shared in 1 Telegram post.
TXTAbout GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK BIOS / EC firmware
GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK is a Compal GX4A0 / GYG50 BIOS / EC firmware dump for board NM-C881 — tested. It is packed in a RAR archive of 8.7 MB, board revision 1.0. It was first posted on 15 Sept 2026 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-C881 revision 1.0.
For the same board you can also find a schematic — see all NM-C881 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 8.7 MB
- Brand
- Compal
- Board number
- NM-C881
- Model
- GX4A0, GYG50
- Revision
- 1.0
- Notes
- tested
- First posted
- 15 Sept 2026
- Last posted
- 15 Sept 2026
- Sources
- 1
Tags
J1Download NM-C881 BIOS / EC firmware from Telegram
- Schematic & Bios & Boardview laptop 💻 @schematiclaptopramkushwaha · 15 Sept 2026Open post
R1How to download GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK
- 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 GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK.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-C881. 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.