On May 29, 8:21 am, someotherguy
<someotherguy@[EMAIL PROTECTED]
> wrote:
> On Wed, 28 May 2008 23:02:57 -0700 (PDT), Jeff <jetuse...@[EMAIL PROTECTED]
>
wrote:
> >On May 27, 3:38 pm, mkdud <mk...@[EMAIL PROTECTED]
> wrote:
> >> Hello Guys,
>
> >> It's been quite a while. Francis (Ataricade) pulled me out of
the
> >> woodwork on this one. Thanks Francis. I have spent alot of my time
> >> lately working with Oliver Okagai modding and writting new roms for
> >> older Bally and Stern Pinball games, but I'm still a certifiable
> >> Vector phreak....
> >> First, I do not want to get in to a technical debate with Matty
> >> on the virtues of Amplifone Vs. WG. Matt is a FANTASTIC technician,
> >> I've seen and played his work numerous times..Matt, some time soon we
> >> have to work on this damn Star Trek and G08 - I'll make it worth your
> >> while...
> >> HOWEVER, keep in mind that I wrote the faq over 10 years ago. If
> >> you have better mods, please let the group know, or add them to the
> >> faq. I allways intended the faq to evolve and improve, and your input
> >> would be great!
>
> >> As it says in the beginning of the faq, it is still my opinion
> >> that a tuned Amplifone (with the medium res WOOX) will blow away
> >> anybodys best WG any day. As Francis reminded me,
>
> >> " dedicated Major Havoc boards use a 10 MHz main CPU clock and a 12
> >> MHz VG oscillator, and the conversion boards for Major Havoc use a 8
> >> MHz CPU clock and a 9 MHz VG osc., and that the reason the conversion
> >> boards used those parts was because they were intended to run on a
> >> Wells-Gardner monitor, as the Amplifone circuitry handles faster
> >> signals better than the WG circuity "
>
> >> The same is true with a rather unusual Gravitar board that I
once
> >> saw, this came out of the machine that they had at the WinTron plant
> >> to run Amplifones - 10 mhz main clock and 12 mhz VG oscillator.
>
> >> Why reduce the clocks if the WG could handle the faster signals
> >> like the Amplifone??
>
> >> Again, I don't want to get into a tech debate with someone I truly
> >> respect as a great technician, but you have to see my Quantum running
> >> with its original Amplifone. It (as well as my Apmlifone in my Star
> >> Wars, MH, and Gravitar) looks better than any WG I ever saw. I
haven't
> >> had to work on ANY of these moniotrs in over 10 years, they have been
> >> run mostly in home, but have LOTS of hours on them, and I'm using all
> >> mods I describe in the Faq...
>
> >> It was nice getting back on the group and making a post for the first
> >> time in a long while. Hope everybody is good.
>
> >> TTYL,
>
> >> Michael Kelley
>
> >Michael;
> >As per you statement:
>
> >" dedicated Major Havoc boards use a 10 MHz main CPU clock and a 12
> >MHz VG oscillator, and the conversion boards for Major Havoc use a 8
> >MHz CPU clock and a 9 MHz VG osc., and that the reason the conversion
> >boards used those parts was because they were intended to run on a
> >Wells-Gardner monitor, as the Amplifone circuitry handles faster
> >signals better than the WG circuity "
>
> >I have a question. Is it the conversion board that de-rates the PCB or
> >is a special MH PCB that was ****pped with the conversion kit.
> >Thanks in advance.
> >Jeff
>
> It's a special MH pcb that ****ps with the kit. Of course any MH pcb can
easily
> be modded either direction, for "dedicated" or "conversion."
>
> FWIW my old MH conversion had a regular board in it and played fine on
the WG.
> Didn't look great, but didn't seem to have problems running at that
speed.
>
> Now I've got an MH conversion with the slower crystal and it annoys me.
Hearing
> the music played slower just seems... wrong. I'll change it one of
these days.
>
> Richard
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