Build Your Own Arcade Controls Forum
Main => Buy/Sell/Trade - non-retail => Topic started by: boogieman on August 07, 2010, 01:12:31 pm
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Well, I got another project! I bought a joust upright yesterday. It powers up but gave me a bad ram 38 error, which from what I learned (through the magic of google) meant the chip in bank 3 chip 8 was being a bad boy. I tried moving it around the board, cleaning sockets/chip and the error followed the chip around the board. Supposedly this means its a bad chip. So...
Does anyone have/can I buy a chip from a Joust PCB, bank 3 chip 8 (are they different or same data on each chip). If no one has a chip, does anyone have a spare Joust PCB for sale?
Thanks!
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There are a number of vendors for RAM chips in the wiki (I think that ArcadeComponents, BYOAC user Channelmaniac has them in stock and I have bought from him a number of times)i:
http://wiki.arcadecontrols.com/wiki/Vendors (http://wiki.arcadecontrols.com/wiki/Vendors)
You may also want to change from 4116 RAM to 4164 RAM:
http://www.robotron-2084.co.uk/techwilliams4164.html (http://www.robotron-2084.co.uk/techwilliams4164.html)
Or consider going with jrok's SYSFPGA Williams Multiboard.
http://www.jrok.com/hardware/wsf/ (http://www.jrok.com/hardware/wsf/)