Ps2 messiah 7; 23 wire mod chip
I have recently installed a messiah 7 mod chip in a version 7 ps2 #39001. trying to boot up known good cd back up games with no luck. original games work fine. Is there a boot up procedure I may not be aware of. Confident I made all connections per ps2 kingdom diagram. 23 wire solder modification. Is this websites diagrams accurate. Thanks!
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