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**Reel Slots** Gaming Machines => Bally Reel Games => Topic started by: Nickwoody on December 28, 2020, 09:54:25 AM

Title: Changing payout percentage on a Bally 5500
Post by: Nickwoody on December 28, 2020, 09:54:25 AM

Hello, I have a Blazing 7's Bally 5500 machine from 1993. I'd like to change the payout percentage to something higher. I see that there's a way in Diagnostic test 1 to see the percentages, but I don't see a way to change them. Is this possible to do? Thank you!

Title: Re: Changing payout percentage on a Bally 5500
Post by: Tilt on December 28, 2020, 10:31:33 AM

You have to change the personality chips (U18, U20) out for ones that have a higher payback percentage.  What do you have installed in it now?  The chips should be labeled with an SMI number.