BIOS

Toshiba A500 KSKAA LA-4991P Rev 0.2 GM45.rar

BIOS / EC firmware for Toshiba A500 / GM45 · board LA-4991P · 991 KB · shared in 3 Telegram posts.

TXTAbout Toshiba A500 KSKAA LA-4991P Rev 0.2 GM45 BIOS / EC firmware

Toshiba A500 KSKAA LA-4991P Rev 0.2 GM45 is a Toshiba A500 / GM45 BIOS / EC firmware dump for board LA-4991P. It is packed in a RAR archive of 991 KB, board revision 0.2. It was first posted on 28 May 2018 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 LA-4991P revision 0.2.

For the same board you can also find a schematic — see all LA-4991P files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
991 KB
Brand
Toshiba
Board number
LA-4991P
Model
A500, GM45
Revision
0.2
First posted
28 May 2018
Last posted
27 Apr 2022
Sources
3

Tags

J1Download LA-4991P BIOS / EC firmware from Telegram

R1How to download Toshiba A500 KSKAA LA-4991P Rev 0.2 GM45

  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 Toshiba A500 KSKAA LA-4991P Rev 0.2 GM45.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 LA-4991P. 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.