Firmware dump for the ASUS S400CA main board, revision 3.1, an 8 MB binary. The file covers the full SPI flash and is written with a programmer such as a CH341A or…

Archive for an S400CA main board at revision 3.1, a model name matching the ASUS VivoBook S400CA, although the file itself states no brand.

Small 127 KB archive for the S400CA main board, revision 3.1. The name does not say what is inside, so extract it and check whether it is a boardview, schematic fragment…

ASUS S400CA BIOS dump for main board revision 3.1, where U2801 appears to mark the flash chip position on the board, packed as a 3.66 MB RAR.

A second copy of the ASUS S400C / S400CA BIOS dump marked CPU onboard with the SLJ8E code, which appears to refer to the soldered processor.

Boardview for the ASUS S400CA notebook mainboard, revision 2.1, provided as an .fz file inside a 173 KB ZIP.

Firmware dump for the ASUS S400CA, board revision 3.1, in a 3.71 MB RAR archive. The name includes u2801, which is probably the reference designator of the flash chip on…

BIOS package for the ASUS S400CA laptop motherboard at revision 2.1, compressed into a zip archive of roughly 3.75 MB.

Zip archive for the Asus S400CA mainboard, revision 2.1, carrying a Disable RAM label. The contents relate to switching off the onboard memory chips, a repair approach…

RAR archive with the boardview for version 2.1 of the ASUS S400CA laptop main board, about 127 KB.