> On Feb 3, 2018, at 7:27 PM, rietveld rietveld <rietveldh at hotmail.com> wrote: > > The deluxe Rs232 pak does not work with the coco3 Are you referring to the built-in ROM software? The Pak itself works fine on a CoCo 3, as I used it through the mid-90s under RS-DOS and OS-9.