Firmware for an Acer S1003 device on a board marked T1000B MB, PCB version V4.0, packed in a 2.81 MB RAR. The name gives no flash chip or firmware version. Use it to recover a corrupted BIOS by writing the SPI flash with an external programmer. Check that the board marking and V4.0 revision on your PCB match, keep a backup of the current chip contents, and confirm the image size inside the archive suits the chip before programming.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →