This is a supplement/correction to my commentary
            (03more.txt) agreeing with Captain Video's comments in the
            03info.arc download file.  I agreed that if one were to use
            a TMS 7742 with the old (018) U7 code plus a 03 KEY
            SLAM/CHECKSUM patch, then all of the U30 software that we
            know and love would continue to work.  This is generally
            true, except that I forgot to mention the caveat that this
            fix would not be able to get commercial services that use
            service IDs which the new 7* U24 might not process (eg
            Wizard Keys for Guest Request).  In other words, the old U30
            software with 03 keys in the 7742 would continue to work on
            all services that are capable of being subscribed to by a
            consumer on a stock 03 box.
            Be very skeptical of anyone who advertises that their new 03
            fix will work on commercial services that are not
            legitimately available to the consumer, since, as far as I
            can tell, these fixes still utilize the new 7* U24.  Since
            this device is blocked from picking data from certain areas
            of the video, then, **nobody's** 03 fix is going to get
            services outside of the ones that are normally consumer
            subscribable without replacing U24.  So much for any
            advantage to the Wizard approach with this new system!
            This is just another compelling reason to build a 4* U24
            emulator board. This should be worth a fortune to someone
            with the expertise to do so.  Since the 4* U24 device is the
            part used in the commercial decoder, this should tell you
            something about its ability to get commercial services!
            I remain,
            A Captain Video fan
            
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