Re: Asteroids mystery mod

I have one as well, also on a rev 2 board. Mine says "rate multiplier
board" on the PCB.

http://lh5.ggpht.com/_2DiT4K20Btg/Ste-r14Wt1I/AAAAAAAABbw/gQc8Godbs1o/s912/CIMG1679.JPG

I was told it was a speed up hack for ops to make more $$.

Jordan B

On Wed, Oct 28, 2009 at 1:02 PM, Douglas Gauck <douglas@gauck.com> wrote:
> I bet you're right as C5 is the starting point for speed mods, just curious
> to see what the various jumper settings will do... 1.5 to 44 is quite an
> interesting range.
>
> -DrG
>
>
> On Oct 28, 2009, at 1:35 PM, Andrew Welburn wrote:
>
>> Is it a speed up hack board?
>>
>> I came across one recently, but it was entirely devoured by fire before i
>> could buy it/document it.
>>
>> There are lots of adverts in startech journal and other contemporary
>> magazines about speed ups for Asteroids, its more than likely one of
>> those...
>>
>> Andrew Welburn
>> www.andys-arcade.com
>> ----- Original Message ----- From: "Douglas Gauck" <douglas@gauck.com>
>> To: <vectorlist@vectorlist.org>
>> Sent: Wednesday, October 28, 2009 5:22 PM
>> Subject: VECTOR: Asteroids mystery mod
>>
>>
>>> Hi all,
>>>
>>> Just got this rev 2 Asteroids board and am trying to ID the board
>>> installed in C5:
>>>
>>> http://gallery.me.com/douglasgb#100011/Ast%20Mod%202&bgcolor=black
>>>
>>> U1 is an LS161
>>> U2 is an LS00
>>> U3 is an LS00
>>> U4 - U6 are LS393N
>>>
>>> pin 9 of U3 can be jumpered to "4", "5", or "6" which go to pins 1,2  and
>>> 10 of U3 and 9 of U4, pin 11 of U4, or pin 10 of U4
>>>
>>> pin 13 of U6 can be jumpered to "1.5", "3.0", "22" or "44" which go to
>>> pin 5, pin 6, pin 3 or pin 4 or U6
>>>
>>> Board is currently not working (no picture, Start 1 and 2 flashing,
>>> never-ending high beeps in self test); while waiting for RAM I thought I'd
>>> ask if anyone has seen this and knows what it might do.
>>>
>>> -Douglas
>>>
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>>
>>
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>
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Received on Wed Oct 28 21:11:24 2009