Drop application/x-dc-rom
I've never seen such a file format, ever, the Dreamcast scene only uses files like .gdi and .cdi, sometimes .chd and .iso, but never .dc.
See !88 (merged) which adds correct types.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
I've never seen such a file format, ever, the Dreamcast scene only uses files like .gdi and .cdi, sometimes .chd and .iso, but never .dc.
See !88 (merged) which adds correct types.