Firmware for the D-Link DSL-2730U ADSL router, hardware version 2 and ME 1.05 per the name, in a 1.74 MB RAR. The ME tag most likely refers to a regional firmware branch, not the Intel Management Engine. Router firmware like this is used to recover a unit stuck in a boot loop or bricked by a failed update, either through a recovery web page or by writing the flash chip with a programmer. Make sure the hardware version on the label matches and dump the original flash before writing.
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 →