DCU was a 3rd Gen jackpot controller designed by Mikohn, the design carried on also branded as PGIC 'Data Collection Unit'. It is an 8 level capable jackpot controller, which, if it has the right firmware in it, does 4 levels of standard progressive [ levels 0,1,2,3 ] and 4 levels of Mystery progressive [ levels 4,5,6,7 ] if your unit is serialized its a good bet its got mystery firmware. If animated text on the vfd display on the front panel shows " Ver 1.4X.1 " then it has standard & mystery. To program the controller you need "SuperLink" and I have the SuperLink V1.72 Install CD, if you want it, we could do a dropbox transfer or FTP. You will also have to make a serial cable with a DB9 on one end and DB25 on the other. I will be happy to help you with your DCU with available time. Drop me a message. I have all the 'stuff'
Eric 'old Mikohn legacy guy'
Gaming Support USA, Inc.