LENOVO_G4850_G580_LG4858L_UMA_MB_12206_1_48_4WQ02_011_WORKING_BIOS.rar

TXTAbout LENOVO G4850 G580 LG4858L UMA MB 12206-1 48 4WQ02 011 WORKING BIOS BIOS / EC firmware

LENOVO G4850 G580 LG4858L UMA MB 12206-1 48 4WQ02 011 WORKING BIOS is a Lenovo G4850 / G580 / LG4858L BIOS / EC firmware dump for board 12206-1 — tested, UMA (integrated graphics). It is packed in a RAR archive of 9.3 MB. It was first posted on 28 Nov 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 12206-1.

For the same board you can also find a schematic, a boardview and board packs — see all 12206-1 files.

MSGFrom the Telegram post

LENOVO G4850 G580 LG4858L UMA MB 12206-1 48.4WQ02.011 WORKING BIOS 100% TESTED OK 100%

J1Download 12206-1 BIOS / EC firmware from Telegram

R1How to download LENOVO G4850 G580 LG4858L UMA MB 12206-1 48 4WQ02 011 WORKING BIOS

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 LENOVO_G4850_G580_LG4858L_UMA_MB_12206_1_48_4WQ02_011_WORKING_BIOS.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 12206-1. 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?