LENOVO_IDPAD_320_15IKB_Type_81BG,_81BT_EG523_EG524_NM_B453_Rev_1.rar

TXTAbout LENOVO IDPAD 320 15IKB Type 81BG, 81BT EG523 EG524 NM-B453 Rev 1 BIOS / EC firmware

LENOVO IDPAD 320 15IKB Type 81BG, 81BT EG523 EG524 NM-B453 Rev 1 is a Lenovo 15IKB / 81BG / 81BT BIOS / EC firmware dump for board NM-B453 (8 MB). It is packed in a RAR archive of 4.8 MB, board revision 1. It was first posted on 18 Jan 2021 and is available in 3 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 NM-B453 revision 1.

For the same board you can also find a boardview, a schematic and board packs — see all NM-B453 files.

MSGFrom the Telegram post

8MB

J1Download NM-B453 BIOS / EC firmware from Telegram

R1How to download LENOVO IDPAD 320 15IKB Type 81BG, 81BT EG523 EG524 NM-B453 Rev 1

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_IDPAD_320_15IKB_Type_81BG,_81BT_EG523_EG524_NM_B453_Rev_1.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-B453. 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?