Youve probably already tried this, but I had the same problem. My black wire wasnt connected very well, I had to turn up the heat on my iron to get the solder to stick. Also you may want to try to flash the chip with a dvd-r.
I have installed my Viper GC extreme and the modded case for full DVD-R's. When I boot up I see the Black Viper GC screen and shows I have the 1.6 BIOS. When I select the direct boot option it then goes to the regular gamecube bootup screeb, with the GC logo and what not and then tells me to insert a GC disc (after going to "game play" or whatever it says). I have Backed up Legend of Zelda 4 swords (using the PSO ethernet backup method with the ripper server program) I then changed the .GCM file to an ISO and burned to Ritek and 1 other type of media at 4x and 12x using NERO. Also when I flashed my ViperGC chip it seemed to flash in an instant (very fast) is that normal? Also when clicking the verify button it took forever and I eventually cancelled it, as it took to long. Any ideas on this would be great!
Thanks in advance!
mR.