LENOVO_B590_LB59A_12209_1_48_4XB01_011_CPU_100M_WORKING_BIOS_100%.rar

TXTAbout LENOVO B590 LB59A 12209-1 48 4XB01 011 CPU 100M WORKING BIOS 100% BIOS / EC firmware

LENOVO B590 LB59A 12209-1 48 4XB01 011 CPU 100M WORKING BIOS 100% is a Lenovo B590 / LB59A / 4XB01 BIOS / EC firmware dump for board 12209-1 — tested. It is packed in a RAR archive of 5.8 MB. It was first posted on 26 Feb 2023 and is available in 2 Telegram channels.

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 12209-1.

For the same board you can also find a schematic — see all 12209-1 files.

MSGFrom the Telegram post

LENOVO B590 LB59A 12209-1 48.4XB01.011 CPU 100M WORKING BIOS 100% TESTED OK 100%

J1Download 12209-1 BIOS / EC firmware from Telegram

R1How to download LENOVO B590 LB59A 12209-1 48 4XB01 011 CPU 100M 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 LENOVO_B590_LB59A_12209_1_48_4XB01_011_CPU_100M_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 12209-1. 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?