BIOS

BIOSTAR H55 HD REV. 6.4 (IH55A-MHS) PDF .RAR

BIOS / EC firmware for Biostar H55 / IH55A-MHS · 707 KB · shared in 6 Telegram posts.

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TXTAbout BIOSTAR H55 HD REV. 6.4 (IH55A-MHS) PDF BIOS / EC firmware

BIOSTAR H55 HD REV. 6.4 (IH55A-MHS) PDF is a Biostar H55 / IH55A-MHS BIOS / EC firmware dump. It is packed in a RAR archive of 707 KB. It was first posted on 17 Oct 2021 and is available in 6 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 H55.

Type
BIOS & EC
Format
.rar · RAR archive
Size
707 KB
Brand
Biostar
Model
H55, IH55A-MHS
First posted
17 Oct 2021
Last posted
14 Jul 2026
Sources
6

Tags

Biostar H55 BIOSBiostar H55 motherboardBiostar H55 BIOS dumpBIOS bin fileSPI flash dumpBiostar laptop BIOS binBIOS free download

J1Download H55 BIOS / EC firmware from Telegram

R1How to download BIOSTAR H55 HD REV. 6.4 (IH55A-MHS) PDF

  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 BIOSTAR H55 HD REV. 6.4 (IH55A-MHS) PDF .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 H55. 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.