**Video Poker, Keno, Slots, 21** Gaming machines > IGT AVP (Including G20,G23)

2 660 CPUs for one game

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Yoeddy1:

--- Quote from: RobinAK on June 13, 2023, 07:42:55 PM ---
--- Quote from: Yoeddy1 on June 07, 2023, 09:19:26 PM ---Ok, so I bagged the Family 20 project, and I’m going to stick with Family 14 for my G23.  I now have 2 660 CPUs with the same 1TB SSD, both have dedicated video cards, and both have 4GB of RAM.  I have a set of 2 backplane EEPROMs for each CPU.  It works flawlessly.  Power the game off, remove the 2 EEPROMs from the backplane for CPU A, and remove CPU A.  Install the 2 EEPROMs on the backplane for CPU B, and install CPU B.

Up and running!  Takes 10 minutes.  It’s nice to have 2 completely different configurations with different games that can be swapped that fast.

Thanks,
Jason

--- End quote ---

May I ask what was wrong with running 20 on the G23? Curious because I'm about to get a second cabinet to run FAM20. I really want to jump to the a Crystal cabinet though.

--- End quote ---

The Fam20 games aren’t designed for the CPU and video card in a 660.  Lobstermania 3 runs ok, but for an OCD guy like me, when I see choppy graphics and stuttering sound, it’s game over for me.  I don’t want to have to talk myself into liking games that run like crap.  Bottom line…those games are meant for the horsepower that a Crystal offers.  But for some, it may not be a big deal.

Thanks,
Jason

T:

--- Quote from: Yoeddy1 on June 13, 2023, 07:48:25 PM ---
--- Quote from: RobinAK on June 13, 2023, 07:42:55 PM ---
--- Quote from: Yoeddy1 on June 07, 2023, 09:19:26 PM ---Ok, so I bagged the Family 20 project, and I’m going to stick with Family 14 for my G23.  I now have 2 660 CPUs with the same 1TB SSD, both have dedicated video cards, and both have 4GB of RAM.  I have a set of 2 backplane EEPROMs for each CPU.  It works flawlessly.  Power the game off, remove the 2 EEPROMs from the backplane for CPU A, and remove CPU A.  Install the 2 EEPROMs on the backplane for CPU B, and install CPU B.

Up and running!  Takes 10 minutes.  It’s nice to have 2 completely different configurations with different games that can be swapped that fast.

Thanks,
Jason

--- End quote ---

May I ask what was wrong with running 20 on the G23? Curious because I'm about to get a second cabinet to run FAM20. I really want to jump to the a Crystal cabinet though.

--- End quote ---

The Fam20 games aren’t designed for the CPU and video card in a 660.  Lobstermania 3 runs ok, but for an OCD guy like me, when I see choppy graphics and stuttering sound, it’s game over for me.  I don’t want to have to talk myself into liking games that run like crap.  Bottom line…those games are meant for the horsepower that a Crystal offers.  But for some, it may not be a big deal.

Thanks,
Jason

--- End quote ---

You are correct Jason. A few of the games do react as you describe. The little I have noticed on my system (same as yours it looks like) It does not bother me. All in the eye of the beholder I suppose

T:

--- Quote from: Tilt on May 15, 2023, 06:58:07 PM ---Glad to hear that took care of the problem for you  :applause:

That's correct.  Keep the two EEPROMs "married" to the MPU together and that's all it requires to seemlessly swap MPUs.  Make sure you put them back in the same socket they came out of.  Label them however you want Top/Bottom, 1/2, Upper/Lower, or use the U(X) designation on the backplane.  Whatever works for you so you keep install them in the proper socket.

As far as the socket goes, here's a link to one from Digikey, but you can get them from many parts houses. No soldering.  Just put the EEPROM in the socket, and then put the socket in the backplane. 

https://www.digikey.com/en/products/detail/amphenol-cs-fci/DILB8P-223TLF/4292069?s=N4IgTCBcDaICIEkAyAhAHABQLRjAZgBUkAxEAXQF8g

Hope that helps.

--- End quote ---

Tilt, i received the sockets. I have the Family 20 cpu and eeproms set aside (running family 14 at time being) I put the family 20 eeproms in the sockets. My question is: How are you doing the sockets i.e. are the sockets changed out along with the eeproms each time or are the sockets always left in place or what? Thanks Tilt

Tilt:
No.  What I do is like you did with the family 20 eeproms.  Put them in sockets and when you're ready to install them plug the whole thing into the backplane socket.  So you have an eeprom in a socket plugged into backplane socket.  That makes removal and installation much easier as you can do it by hand, no need to pry it out, and if you bend or break a pin you can just put the eeprom in a new socket.

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