RE: Red Baron AVG ROM question

Anybody have the link to Mowerman's web page?

Thanks!

BTW: NTE apparently has a replacement for the 2532 - part NTE2532.

         - Matt

At 12:57 PM 5/8/00 -0400, you wrote:
>Matt,
>
> Actually, the pinouts on the 2532 and the 2732 are different by a pin or
>two. If you are interested, there was a writeup on mowerman's page about
>how to use a 2732 in place of a 2532 (since Pac Man uses 2532, which are
>getting harder to find).
>
>Thanks,
>-Chris
>
>-----Original Message-----
>From: Matthew Sell
>To: vectorlist@synthcom.com
>Sent: 5/8/00 12:46 PM
>Subject: RE: VECTOR: Red Baron AVG ROM question
>
>Chris,
>
>I used a 2732, but when I go to the local electronics store I'll try to
>pick up some 2532s while I'm getting some more 2516's.
>
>For some reason, I thought that 2500-series were Military-grade
>temperature
>rated, and 2700-series were for regular commercial useage. This thought
>sticks in my mind, but I may very well be thinking about another series
>of
>IC's with a similar classification.
>
>Anyone here know the correct distinction between 25- and 27- series
>EPROMS?
>
>I'm not sure what the "RR" means, or even if the "RR" represents another
>
>character (or is even supposed to be displayed). I don't have a
>amplifier
>laying around to convert the "Z" axis from the boardset into a suitable
>voltage level for my scope, and I'm too lazy to build a simple Op-Amp
>circuit to do this since I have a replacement set of deflection
>transistors
>on the way that hopefully will allow the monitor to operate again.
>
>At least the self-test runs and operates to some degree with the Red
>Baron
>AUX; this probably eliminates quite a few possibilities.
>
>I can't wait to get this game running again. It arrived in very good
>physical condition, but was missing a lot of parts. It couldn't have
>made
>the operator any money with the low number of plays on the counters
>(even
>set at $.50!). I was working on it most of the day yersterday and it's
>really starting to look proper. I played Red Baron quite a bit as a kid
>(cockpit version only), and even though I have the upright, it's
>bringing
>back a lot of fond memories.
>
>Isn't that what this is all about? I love this hobby.....
>
>
> - Matt
>
>
>
>
>
>At 11:48 AM 5/8/00 -0400, you wrote:
> >Matt,
> >
> > One thing i did notice on the message that John sent about the
> >modification is the comment on the 2732 ROM. Did the modification call
>for
> >a 2732 or a 2532? Your message said that you used a 2732, but in the
>back
> >of my mind, I think I remember using a 2532. (I don't recall for
>sure.)
> >Just something else to check. Oh, and the 4 RR error, that is probably
> >saying that there is a problem with ROM 4, which is probably the 32k
>one you
> >are trying to add.
> >
> >Thanks,
> >-Chris
> >
> >-----Original Message-----
> >From: Matthew Sell
> >To: vectorlist@synthcom.com
> >Sent: 5/8/00 10:18 AM
> >Subject: RE: VECTOR: Red Baron AVG ROM question
> >
> >Chris,
> >
> >Yes, I am using a Red Baron AUX. The self-test isn't completely
>legible,
> >
> >I'm displaying it on by scope until replacement deflection transistors
> >arrive.
> >
> >It looks like there may be an error code. I just fired it up this
> >morning
> >and adjusted the display to fit everything on the screen in test mode
> >and
> >saw what appears to be a "4RR". This doesn't jive with the error code
> >descriptions on the backsheet, so I need to get the monitor happy so I
> >can
> >see the message correctly (my scope doesn't handle the "Z" input very
> >well....).
> >
> >Thanks for verifying the modification. The game is resetting the NOVRAM
> >and
> >decoding the joystick inputs, so at least it is communicating in some
> >form
> >with the AUX. There appears to be no mathbox errors displayed, but the
> >sound is kaput as well.
> >
> >Oh well.... this one goes into my collection kicking and screaming.
> >Some
> >go peacefully, some resist.
> >
> >
> >
> > - Matt
> >
> >
> >
> >
> >At 01:08 AM 5/8/00 -0400, you wrote:
> > >Matt,
> > >
> > > I did the same modification myself a couple months ago, and it
> >worked
> > >fine. The schematic differences you see may be due to the fact that
> >there
> > >were some original RB main boards with an extra ROM socket so you
>could
> >use
> > >all 16k ROM's instead of the one 32k. As for the game not playing,
>do
> >you
> > >have a RB Aux board? The game will not play with a Battlezone Aux
> >board (at
> > >least I haven't ogtten it to work). Are you seeing any errors in
>test
> >mode?
> > >
> > >Thanks,
> > >-Chris
> > >
> > >-----Original Message-----
> > >From: Matthew Sell
> > >To: vectorlist@synthcom.com
> > >Sent: 5/8/00 12:18 AM
> > >Subject: VECTOR: Red Baron AVG ROM question
> > >
> > >Howdy,
> > >
> > >
> > >I recently attempted to modify a Battlezone AVG board to run Red
>Baron
> > >using the modification text listed in the ROM set used for MAME. The
> > >modification is listed as follows:
> > >
> > >All roms 2716 with the exception of H1, which is a 2732 with pin 18
> > >pulled
> > >up and a wire run to M2 pin 13
> > >
> > >I performed this modification - and the game runs the self test but
>not
> > >the
> > >game. In attempting to troubleshoot the boardset using the Red Baron
> > >schematics, I noticed that H1 is listed as an 8316, with the same
> > >address/data wiring as Battlezone.
> > >
> > >???
> > >
> > >Are the schematics incorrect, or is this modification not necessary?
> > >
> > >I'd try it out, but ran out of 16K EPROMS..... : )
> > >
> > >Thanks!
> > >
> > >
> > > - Matt
> > >
> >
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Received on Mon May 8 15:02:20 2000