BIOS

HP_15_ay538ur_Z4Z90EA_BDL50_LA_D702P_Rev_3_0_25q64fwsiq_1_8v_1.bin

BIOS / EC firmware for HP ay538ur / Z4Z90EA / BDL50 · board LA-D702P · 8.0 MB · shared in 1 Telegram post.

TXTAbout HP 15 ay538ur Z4Z90EA BDL50 LA-D702P Rev 3 0 25q64fwsiq 1 8v 1 BIOS / EC firmware

HP 15 ay538ur Z4Z90EA BDL50 LA-D702P Rev 3 0 25q64fwsiq 1 8v 1 is an HP ay538ur / Z4Z90EA / BDL50 BIOS / EC firmware dump for board LA-D702P. The BIN file is 8.0 MB, board revision 3. It was first posted on 12 Nov 2020 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 LA-D702P revision 3.

For the same board you can also find a schematic and board packs — see all LA-D702P files.

Type
BIOS & EC
Format
.bin · BIN firmware dump
Size
8.0 MB
Brand
HP
Board number
LA-D702P
Model
ay538ur, Z4Z90EA, BDL50
Revision
3
First posted
12 Nov 2020
Last posted
12 Nov 2020
Sources
1

Tags

J1Download LA-D702P BIOS / EC firmware from Telegram

R1How to download HP 15 ay538ur Z4Z90EA BDL50 LA-D702P Rev 3 0 25q64fwsiq 1 8v 1

  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 HP_15_ay538ur_Z4Z90EA_BDL50_LA_D702P_Rev_3_0_25q64fwsiq_1_8v_1.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-D702P. 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.