BIOS

A1419 820-3478-A BIOS 8MB BIOS.rar

BIOS / EC firmware for Apple A1419 · board 820-3478-A · 3.9 MB · shared in 3 Telegram posts.

Download in Telegram Similar files

TXTAbout A1419 820-3478-A BIOS 8MB BIOS BIOS / EC firmware

A1419 820-3478-A BIOS 8MB BIOS is an Apple A1419 BIOS / EC firmware dump for board 820-3478-A (8 MB). It is packed in a RAR archive of 3.9 MB. It was first posted on 4 Jun 2022 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 820-3478-A.

For the same board you can also find a boardview and a schematic — see all 820-3478-A files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
3.9 MB
Brand
Apple
Board number
820-3478-A
Model
A1419
Flash size
8 MB
First posted
4 Jun 2022
Last posted
13 Jun 2022
Sources
3

Tags

820-3478-A BIOS820-3478-A BIOS binApple 820-3478-AApple A1419 BIOSApple A1419 motherboardApple A1419 BIOS dumpBIOS bin fileSPI flash dumpApple laptop BIOS binBIOS free download

J1Download 820-3478-A BIOS / EC firmware from Telegram

R1How to download A1419 820-3478-A BIOS 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 A1419 820-3478-A BIOS 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 820-3478-A. 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.