How to update Rotel receiver firmware using RS232 on Mac

Discussion in 'Digital Audio' started by maestrokev, Mar 24, 2010.

  1. maestrokev macrumors 6502a


    Apr 23, 2007
    I've got a Rotel RSX-1550 receiver and there a number of new firmware updates I'd like to load myself. The problem is that Rotel update software requires a Windows computer with a RS232 DB9 port.

    Has anyone with a Rotel system updated using Windows on VMWare/Parallels and a USB to RS232 serial adapter?

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