Re: Asteroids T/S

I'm also looking for a catbox guide for Asteroids. I found the HP version,
but I'm guessing the setup may be a bit different.

Thanks,
Kevin

On Sun, Dec 20, 2009 at 12:04 PM, Kevin Moore <talon.k@gmail.com> wrote:

> OK so I'm working on an Asteroids board.
> I'm still pretty new at this and learning more each day, but I would like
> some feedback/help/teaching on what I'm doing sofar
>
> First thing I do is check voltages. Good
> Next I pull all the Roms, and Check Good
> Then I use a Fluke 9010 to check the fluke sigs on the roms. Good
> I did do a Ram test from 3000-4000, with the fluke, I'm not sure if I this
> is testing all of the ram or not. But that area did check good.
> Put board in test mode, everything looks good, no beeps no errors.
> Put the board in game mode, get fast blink, and watchdog barking
> GND watchdog dis, No go.
> I pull pin 1 of L6 DMAGO watchdog still barking.
> So now it's down to MPU problem, and maybe VSM right?
>
> Ionpool has listed the following for MPU problems
> Check the ROMS, RAM and especially the 74LS245 (or AM83048) at E2 (E3 on
> Asteroids).
> Well I know the roms are good, and I'm not getting beeps in test mode for
> Ram, and it appears everything that should be toggling on the AM83048 is
> toggling.
>
> But shouldn't using the fluke to run sigs on the roms eliminate the
> problems with the bus transceiver at E3?
>
> That would mean that the problem lies in the VSM right?
>
> So now I'm to the point where I'm asking for some assistance.
>
> Thanks,
>
> Kevin
>
>
>
>
>

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Received on Sun Dec 20 14:48:19 2009