Lenovo Ideapad 320-15AST NM-B321 Rev1.0

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

BrandLenovo
ModelLenovo IdeaPad 320-15AST
BoardNM-B321
ODMLCFC
Revision1.0
KindBIOS
Format.rar
Archive size4.4 MB
First posted2019-04-07
ChannelBIOS Archive

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

Same file in other posts

ChannelPostedSizeLink
BIOS Archive2019-04-074.4 MBOpen post
BIOS Archive2019-12-044.4 MBOpen post

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

Other files for NM-B321

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1.9 MB
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