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It's a whatchamajigger
It's a factory fix.. What you have is an early robotron pcb that had an issue when it was first produced. I just sold one with the same mod/fix. Can't remember exactly why or what it fixes, but it's original from Williams.
Its in location 2G isn't it?
Should be a 74LS367 (hex bus driver). I think I removed a little board like that from one I was working on one time and it had another type of chip on it, doing the same job.
Does it work OK with that board attached to the main board?
Thanks for that really stupid answer and wasting 5 seconds of everyone's life reading it.
It seems to work OK, but the game was having all kinds of problems... resetting, weird flashes on the monitor, firing control was stuck shooting up, RAM errors, you name it... I did happen to get over 1 million one game until it reset though. That said, I have completed gutted this thing... new PS (removed switcher), wiring harness, Wico bases, repro stick, ribbon cables. Doing the CP now as well so can't power it up until that's done but we'll see. Once done, planning on challenging one of the marathon records set back in the 80s so want it to be totally original and solid. Thanks for the info.
Rewiring my cabinet, and not sure how I did not notice this before, but when compared with others I saw on the web did not look the same... anyone know what this is? It has a bunch of silicone around it as well.
It is a factory mod that allows later games to be played on a REV B. CPU board from a Stargate.
http://www.robotron-2084.co.uk/techwilliamscpubsbamod.html
No, that's not what it is. To me it looks like a little adaptor board to use a 74LS368 in place of a 74LS367.
you realize that marathoning to beat old records is a lesson in futility right? the top 8 scores are blatantly fake and there is no question they are fake. TG will not budge on them. I pled my case to Walter recently who I worked for at TG and still friends. those scores aren't budging.
you'd be better off to try to beat the 5 man tournament score but John McC / Redelf on youtube is a machine. his game is down pat up to a million.
See post's about Sean Riddle's site if you want to get the digital eclipse patch on a set of blue roms burned by anyone who burns roms. TG doesn't care if the roms are patched, they have no criteria for that. so have fun. post some twitchTV video if you really are a marathon calibre player. we'd enjoy it. cheers
you realize that marathoning to beat old records is a lesson in futility right? the top 8 scores are blatantly fake and there is no question they are fake. TG will not budge on them. I pled my case to Walter recently who I worked for at TG and still friends. those scores aren't budging.
you'd be better off to try to beat the 5 man tournament score but John McC / Redelf on youtube is a machine. his game is down pat up to a million.
See post's about Sean Riddle's site if you want to get the digital eclipse patch on a set of blue roms burned by anyone who burns roms. TG doesn't care if the roms are patched, they have no criteria for that. so have fun. post some twitchTV video if you really are a marathon calibre player. we'd enjoy it. cheers
i don't know the whole story but it has to do with some TG politics with dwayne r and rob m. trying to cleanup scores. and then there was backlash and robotron stuck.
Leo was a popular score entry back in the original era. and Walt was friends with him. Probably something there I'm not privvy. regardless his entry is dishonest on some level, restarted games/dual playing/naps and restarts/etc...
I sent a lengthy technical email to Walt and Grace S who is now the main decision person at TG (she knows who I am, too and that I am friend's with Walter) awhile back where that was part of the topic. it is completely ignored. which is why i can confidently say they could care less if patched blue roms are used.....
Kelly Tharp is a reputable marathoner and he told me, face to face he played robotron 55hrs once. i didn't ask if the game reset along the way but I presume it would have had to, since so few people actually have the patched blue roms in a real machine. (probably not many more than reading this thread.....)
No, that's not what it is. To me it looks like a little adaptor board to use a 74LS368 in place of a 74LS367.
No, that's not what it is. To me it looks like a little adaptor board to use a 74LS368 in place of a 74LS367.