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LG4858 11291-1 BIOS

BIOS 11291-1 Added: Jul 20, 2024 ZIP · 2.7 MB

File details

TypeBIOS
Board number11291-1
PlatformLG4858
Board maker (ODM)Wistron
DeviceLaptop
FormatZIP
Size2.7 MB
AddedJuly 20, 2024
Updated
Original file nameG580, G480 intel only (LG4858 UMA MB 11291-1).zip

Where to get the file

Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.

Alternative links

No other copies are known yet.

AwesomeHeader does not store this file. It was published in a public Telegram channel; the links above lead to the original post and its copies.

Description

BIOS dump for a laptop built on Wistron board 11291-1 (platform LG4858), packaged as a ZIP of about 2.7 MB. The original file name notes it covers G580 and G480 models with Intel-only (UMA) graphics on the LG4858 motherboard. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision on your motherboard match, and back up the original chip contents first.

The catalog also lists 1 schematic, 2 boardview files, and 4 BIOS dumps for board 11291-1.

Description generated from the catalog data. ·

How to open it

A BIOS dump is written to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and save the original chip contents twice before writing.

Guide: Flash a Laptop BIOS with a CH341A Programmer →

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Questions about this file

How do I flash this BIOS dump?

Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.

Will this BIOS work on my board?

Only if the board number and revision match: LG4858 11291-1. Dumps from a different board or revision can leave the board dead.

What does “clean ME” mean?

The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.

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