BIOS

TS77_L130717_PN646530 8MB BIOS.rar

BIOS / EC firmware · 7.7 MB · shared in 1 Telegram post.

TXTAbout TS77 L130717 PN646530 8MB BIOS BIOS / EC firmware

TS77 L130717 PN646530 8MB BIOS is a TS77 / L130717 / PN646530 BIOS / EC firmware dump (8 MB) — tested. It is packed in a RAR archive of 7.7 MB. It was first posted on 29 Jul 2025 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 TS77.

Type
BIOS & EC
Format
.rar · RAR archive
Size
7.7 MB
Brand
—
Model
TS77, L130717, PN646530
Flash size
8 MB
Notes
tested
First posted
29 Jul 2025
Last posted
29 Jul 2025
Sources
1

Tags

MSGFrom the Telegram post

TS77 L130717 PN646530 8MB BIOS TESTED OK 100%

J1Download TS77 BIOS / EC firmware from Telegram

R1How to download TS77 L130717 PN646530 8MB BIOS

  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 TS77_L130717_PN646530 8MB BIOS.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 TS77. 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.