BIOS

LENOVO_S20_00_MSACHINE_TYPE_F0AY_LA_B621P_UMA_S20_00_ZAA30_LA_B621P.rar

BIOS / EC firmware for Lenovo S20 / F0AY / ZAA30 · board LA-B621P · 2.8 MB · shared in 1 Telegram post.

TXTAbout LENOVO S20 00 MSACHINE TYPE F0AY LA-B621P UMA S20 00 ZAA30 LA B621P BIOS / EC firmware

LENOVO S20 00 MSACHINE TYPE F0AY LA-B621P UMA S20 00 ZAA30 LA B621P is a Lenovo S20 / F0AY / ZAA30 BIOS / EC firmware dump for board LA-B621P for the KB9012 SPI flash chip — tested, UMA (integrated graphics). It is packed in a RAR archive of 2.8 MB. It was first posted on 29 Nov 2022 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-B621P.

Type
BIOS & EC
Format
.rar · RAR archive
Size
2.8 MB
Brand
Lenovo
Board number
LA-B621P
Model
S20, F0AY, ZAA30
Chip
KB9012
Notes
tested, UMA (integrated graphics)
First posted
29 Nov 2022
Last posted
29 Nov 2022
Sources
1

Tags

MSGFrom the Telegram post

LENOVO S20-00 MSACHINE TYPE F0AY LA-B621P UMA S20-00 - ZAA30 - LA-B621P KB9012 WORKING BIOS & KBEC

J1Download LA-B621P BIOS / EC firmware from Telegram

R1How to download LENOVO S20 00 MSACHINE TYPE F0AY LA-B621P UMA S20 00 ZAA30 LA B621P

  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 LENOVO_S20_00_MSACHINE_TYPE_F0AY_LA_B621P_UMA_S20_00_ZAA30_LA_B621P.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-B621P. 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.