BIOS

LENOVO_Thinkpad_T480（20L5_ET480_NM_B501_Rev1_0_2018_03_05_U49_&.rar

BIOS / EC firmware for Lenovo T480（20L5 / ET480 / U49 · board NM-B501 · 16.3 MB · shared in 1 Telegram post.

Download in Telegram Similar files

TXTAbout LENOVO Thinkpad T480（20L5 ET480 NM-B501 Rev1 0 2018 03 05 U49 & BIOS / EC firmware

LENOVO Thinkpad T480（20L5 ET480 NM-B501 Rev1 0 2018 03 05 U49 & is a Lenovo T480（20L5 / ET480 / U49 BIOS / EC firmware dump for board NM-B501 — tested. It is packed in a RAR archive of 16.3 MB, board revision 1. It was first posted on 9 Mar 2023 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-B501 revision 1.

For the same board you can also find board packs, a boardview and a schematic — see all NM-B501 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
16.3 MB
Brand
Lenovo
Board number
NM-B501
Model
T480（20L5, ET480, U49
Revision
1
Notes
tested
First posted
9 Mar 2023
Last posted
9 Mar 2023
Sources
1

Tags

NM-B501 BIOSNM-B501 BIOS binLenovo NM-B501Lenovo T480（20L5 BIOSLenovo T480（20L5 motherboardLenovo T480（20L5 BIOS dumpBIOS bin fileSPI flash dumpLenovo laptop BIOS binBIOS free download

MSGFrom the Telegram post

LENOVO Thinkpad T480（20L5) ET480 NM-B501 Rev1.0 2018-03-05 U49 & U15 WORKING BIOS 100% OOOKKK TESTED OK 100%

J1Download NM-B501 BIOS / EC firmware from Telegram

R1How to download LENOVO Thinkpad T480（20L5 ET480 NM-B501 Rev1 0 2018 03 05 U49 &

  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_Thinkpad_T480（20L5_ET480_NM_B501_Rev1_0_2018_03_05_U49_&.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-B501. 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.