ZIS_ACER_ASPIRE_ES1_523_CSW1R_LA_D661P_REV_2_0_2016_09_14_AMD_A6.RAR

TXTAbout ZIS ACER ASPIRE ES1 523 CSW1R LA-D661P REV 2 0 2016 09 14 AMD A6 BIOS / EC firmware

ZIS ACER ASPIRE ES1 523 CSW1R LA-D661P REV 2 0 2016 09 14 AMD A6 is an Acer ES1 / CSW1R BIOS / EC firmware dump for board LA-D661P (8 MB) — tested. It is packed in a RAR archive of 2.7 MB, board revision 2. It was first posted on 30 Sept 2026 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-D661P revision 2.

For the same board you can also find a schematic — see all LA-D661P files.

MSGFrom the Telegram post

ZIS ACER ASPIRE ES1-523 CSW1R LA-D661P REV 2.0 2016-09-14 AMD A6 8MB CLEAN TESTED OK DONE BIOS 100% TESTED & VERIFIED BIOS Fully Working Stable Reliable

J1Download LA-D661P BIOS / EC firmware from Telegram

R1How to download ZIS ACER ASPIRE ES1 523 CSW1R LA-D661P REV 2 0 2016 09 14 AMD A6

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 ZIS_ACER_ASPIRE_ES1_523_CSW1R_LA_D661P_REV_2_0_2016_09_14_AMD_A6.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 LA-D661P. 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?