BIOS

ThinkPad T460 NM-A581_BT460_Rev3.0_2015.12.24_UMA photo.rar

BIOS / EC firmware for Lenovo T460 / BT460 · board NM-A581 · 32.0 MB · shared in 4 Telegram posts.

Download in Telegram Similar files

TXTAbout ThinkPad T460 NM-A581 BT460 Rev3.0 2015.12.24 UMA photo BIOS / EC firmware

ThinkPad T460 NM-A581 BT460 Rev3.0 2015.12.24 UMA photo is a Lenovo T460 / BT460 BIOS / EC firmware dump for board NM-A581 — UMA (integrated graphics). It is packed in a RAR archive of 32.0 MB, board revision 3.0. It was first posted on 20 May 2023 and is available in 4 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-A581 revision 3.0.

For the same board you can also find a boardview and a schematic — see all NM-A581 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
32.0 MB
Brand
Lenovo
Board number
NM-A581
Model
T460, BT460
Revision
3.0
Notes
UMA (integrated graphics)
First posted
20 May 2023
Last posted
8 Jun 2025
Sources
4

Tags

NM-A581 BIOSNM-A581 BIOS binLenovo NM-A581Lenovo T460 BIOSLenovo T460 motherboardLenovo T460 BIOS dumpBIOS bin fileSPI flash dumpLenovo laptop BIOS binBIOS free download

J1Download NM-A581 BIOS / EC firmware from Telegram

R1How to download ThinkPad T460 NM-A581 BT460 Rev3.0 2015.12.24 UMA photo

  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 ThinkPad T460 NM-A581_BT460_Rev3.0_2015.12.24_UMA photo.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-A581. 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.