RE: VECTOR: Sega Vector Development Tools Project

The Vic-20 ran at 10 Mhz if I recall correctly. I had a Kaypro PC-XT clone
with a Vic-20 in it, with a switch on the back to toggle between 4.77 and 10
Mhz...

--- John 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Scott Caldwell
> Sent: Sunday, June 12, 2005 6:06 PM
> To: [email protected]
> Subject: Re: VECTOR: Sega Vector Development Tools Project
> 
> Back in the very early IBM PC days, there were replacement 
> processors known as VIC 20 and VIC 30.  These were 8088 CPUs, 
> but ran a little faster than the stock IBM/Intel CPU.
> 
> Scott C.
> 
> Jess Askey wrote:
> 
> > Yes, the board is an official Sega/Gremlin PCB and is labeled 'VIC 
> > Replacement Board'. So, now that I think about this, Im 
> guessing this 
> > isn't a security chip replacement PCB? Im guessing VIC is 
> 'Video IC'?
> > However, I couldn't find anything on Google for 'Sega VIC' 
> so I guess 
> > I don't know what this board is. Anyone know what VIC is?
> >
> > Hans O wrote:
> >
> >> Hi Jess,
> >>
> >> I've been fiddling with Sega XY stuff for a few years now. 
> Never knew 
> >> such an animal existed. Did Sega themselves make it? I'd love to 
> >> borrow it for a bit and see how useful it could be. Here's 
> my thought
> >> process:
> >>
> >> Back it out and fab a prototype or two. Try them out on 
> all the G80 
> >> stuff. Vectors I can do (see attached), rasters I can't. 
> Not really 
> >> sure if it even applies to raster stuff. Would need to 
> enlist someone 
> >> if need be.
> >>
> >> Document it for posterity. Perhaps send the results over 
> to ionpool 
> >> or my neighbor Mark J. to add to his wonderful FAQ.
> >>
> >> If it proves useful, then perhaps a small run would be in order. I 
> >> did a batch of Cinematronics Exorcisors which turned out 
> OK. I'm not 
> >> in the "parts for profit" business but a handful of pieces I'd do.
> >> Collectors who've helped me out might find it useful. I, for one, 
> >> have piles of G80 boards that don't add up to a set.
> >>
> >> Besides the security chip, the other problem is a shortage of good 
> >> card cages. Know anybody who has a few spares?
> >>
> >> Well, that's my thought process. FYI, I'm catching an 1 PM flight 
> >> tomorrow for work so I'll be out of touch 'till next week.
> >>
> >> Hans O in Chicago
> >>
> >> Jess Askey wrote:
> >>
> >>> this is slightly off topic but I have had a Sega Security Chip 
> >>> bypass PCB laying around here for years and I just found it again.
> >>> it has jumpers on it so that it should be able to function as a 
> >>> security IC replacement for any SEGA game. Does anyone have any 
> >>> interest in this for making generic replacements for the security 
> >>> chip. I really don't follow the Sega stuff much so I 
> don't know what 
> >>> is out there right now. Anyway, if anyone does have an 
> interest, let 
> >>> me know your level of intention and I will happily send it out to 
> >>> you for reversing.
> >>>
> >
> >
> > 
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