Dang Ken..... well thanks for the follow up. I'd thought I'd seen it too.....
However, somewhat relevant here....
From all that I can tell, what seems to be a common occurrence is that Tangent Instruments Inc. was in charge of design and or production of these DSC units, and sold under various brand names during that time frame. Here are a few that are mostly the same, spec wise.
Celestron Advanced Astro Master
Orion Sky Wizard 3
Lumicon Sky Vector (later version)
JMI (Jim's Mobile) NGC MAX
The first three are no longer in production, available only used.
What is interesting though, is that the JMI version seems to still be listed on their site - even though JMI is long gone. Call Farpoint Astro? I wonder if that is an error, or perhaps there still is a way to get updated chips for these...... if they were even made? Sure, demand won't be high - but it might be worth asking around to some that still market DSC's. Losmandy? Astro Devices?
I'd bet, that they do exist. Since there were several different versions in the same housing, but with different firmwares and chips I'd 100% think that the chip is in a socket, soldered to the PCB.
Hrrmmm.... I may have to open mine up to check sometime. Okay, rant over.....
And Dave has a good point, regarding cabling.
If you don't get one with your order, or if it doesn't work with Sky Safari - don't worry. I've made a few of these cables as well, like Dave, and have a few spare RJ ends and parts - easy stuff for a nerd like me. or a few of us here.