ACER 3820 3820ZG JM31-CP MB 09921-3 48.4HL01.031
BIOS
773 KB · first posted in BIOS Archive
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ACER 3820 3820ZG JM31-CP MB 09921-3 48.4HL01.031
What the file name tells us
| Brand | Acer |
|---|---|
| Model | Acer Aspire 3820 |
| Model | Acer 3820ZG |
| Model | Acer JM31-CP |
| Board | 09921-3 |
| Also known as | 48.4HL01.031 |
| ODM | Wistron |
| Kind | BIOS |
| Format | .rar |
| Archive size | 773 KB |
| First posted | 2022-11-08 |
| Channel | BIOS 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
| Format | What it is | Open with |
|---|---|---|
| .rar | RAR archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Other files for 09921-3
FileSizeRevAddedSource
Acer Aspire 3820 Wistron JM31-CP 09921-3 Rev-1.0 PDF
Schematic.pdf
1.4 MB
1.0
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