BIOS

ACER-ES1-533 B5W1A B7W1A LA-D641P REV-1A 8MB.bin

BIOS / EC firmware for Acer ACER-ES1-533 / B5W1A / B7W1A · board LA-D641P · 8.0 MB · shared in 3 Telegram posts.

TXTAbout ACER-ES1-533 B5W1A B7W1A LA-D641P REV-1A 8MB BIOS / EC firmware

ACER-ES1-533 B5W1A B7W1A LA-D641P REV-1A 8MB is an Acer ACER-ES1-533 / B5W1A / B7W1A BIOS / EC firmware dump for board LA-D641P (8 MB). The BIN file is 8.0 MB, board revision 1A. It was first posted on 26 Sept 2023 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-D641P revision 1A.

For the same board you can also find a boardview, a schematic and board packs — see all LA-D641P files.

Type
BIOS & EC
Format
.bin · BIN firmware dump
Size
8.0 MB
Brand
Acer
Board number
LA-D641P
Model
ACER-ES1-533, B5W1A, B7W1A
Revision
1A
Flash size
8 MB
First posted
26 Sept 2023
Last posted
27 Oct 2023
Sources
3

Tags

J1Download LA-D641P BIOS / EC firmware from Telegram

R1How to download ACER-ES1-533 B5W1A B7W1A LA-D641P REV-1A 8MB

  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 ACER-ES1-533 B5W1A B7W1A LA-D641P REV-1A 8MB.bin to download it.
  3. Open it with Write it with a programmer: CH341A, RT809H, XGecu T48 and similar or Inspect it with a hex editor (HxD).

If a post was deleted, try another source above or search for LA-D641P. 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.

.BINWhat is a .bin file and how to open it?

BIN firmware dump. A raw copy of a flash chip (BIOS, EC or GPU VBIOS).

Open with:

  • Write it with a programmer: CH341A, RT809H, XGecu T48 and similar
  • Inspect it with a hex editor (HxD)

Tip: The file size must match the chip: 4 MB for 25Q32, 8 MB for 25Q64, 16 MB for 25Q128, 32 MB for 25Q256.