Acer Aspire S7-191 Wistron Helium MB 12222-2N 12222-1 BIOS
BIOS
3.1 MB · first posted in BIOS Archive
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Acer Aspire S7-191-53334G12ass (MS2363)
Wistron Helium MB 12222-2N = 12222-1
48.4WD04.02N
Intel i5-3337U SR0XL, BD82HM77 SLJ8C
What the file name tells us
| Brand | Acer |
|---|---|
| Model | Acer Aspire S7-191 |
| Board | 12222-2 |
| Board | 12222-1 |
| Also known as | 48.4WD04.02N |
| ODM | Wistron |
| Kind | BIOS |
| Format | .rar |
| CPU | i5-3337U |
| Archive size | 3.1 MB |
| First posted | 2018-12-31 |
| Channel | BIOS 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
| Channel | Posted | Size | Link |
|---|---|---|---|
| BIOS Archive | 2018-12-31 | 3.1 MB | Open post |
| BIOS Archive | 2021-02-14 | 3.2 MB | Open 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
| 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 12222-2
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