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Title: SG88 - SIGMA GAMES? Post by: FOXSSLOTS1 on October 08, 2009, 03:04:44 PM I have 2 eproms marked SG88 SYSTEM NA-89M L02-1849 no1 and no 2 both are on 27C020 eproms - anyone know what they are?
Title: Re: SG88 - SIGMA GAMES? Post by: Randy0777 on October 09, 2009, 01:15:18 AM They are the system chips for an 88 board(used in 150 and 300). They go on top...above the game chips. Oh,and all three #1's go on the left.
As far as what theme...they will work in a few. I've only seen two different sound chips for all of the 150 and 300's and all game chips are different Title: Re: SG88 - SIGMA GAMES? Post by: FOXSSLOTS1 on October 09, 2009, 07:18:39 AM thank you - just thought they may have been some kind of clear chip since I don't work on Sigma - lucky guess as to the platform (sigma) on my part. Guess I will erase and use the proms.
Title: Re: SG88 - SIGMA GAMES? Post by: Randy0777 on October 09, 2009, 08:09:31 AM Your welcome. I forget the clear chip #'s ,but you really never need them unless your GAL chip is an 02
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