ACER ES1 531 Dominno BA MB 14285 1 448 05303 1100 WORKING BIOS 100%

BIOSTested
6.4 MB · first posted in BIOS Archive
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Uploader's description

ACER ES1-531 Dominno BA MB 14285-1 448.05303.1100

What the file name tells us

BrandAcer
ModelAcer Aspire ES1
ModelAcer 531
Board14285-1
Also known as448.05303.1100
ODMWistron
KindBIOS
Format.rar
Archive size6.4 MB
First posted2023-01-29
ChannelBIOS Archive
Notestested by uploader

Parsed automatically from the file name and caption. Always compare the board number with the one printed on your board.

What this kind of file is for

A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.

Tools to open these files

FormatWhat it isOpen with
.rarRAR archive7-Zip or WinRAR
.binBIOS image inside the archive (usually .bin)a CH341A, XGecu T48 / TL866II Plus or RT809H programmer

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