Lenovo 320 15IKB DG421 DG521 DG721 NM B242 REV 1 0 2017 01 25 BLUE

BIOS
5.0 MB · first posted in BIOS Archive
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What the file name tells us

BrandLenovo
ModelLenovo IdeaPad 320-15IKB
ModelLenovo IdeaPad DG421
BoardNM-B242
ODM projectDG521, DG721
ODMLCFC
Revision1.0
KindBIOS
Format.rar
Date in file name2017-01-25
Archive size5.0 MB
First posted2021-10-18
ChannelBIOS Archive

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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