Hi,
I have an odd issue, on my A600 (revision 1.5), after 10 minutes or so, areas of the screen become corrupted, especially during redraw or refresh. This only occurs when the ECS V2 is installed. Both video outputs are affected (the Amiga's native and the ECS V2). They display exactly the same video artifacting. I have ruled out the ECS V2 since it works fine in my other Amiga 600's and the ECS V2 or V3 form other 600's have the same issue on my troubled A600. I have also ruled out the A600n module as well. It works fine in other systems too. Since this happens with or without the accelerator card attached, I doubt if it's a PSU issue. It is most likely heat related, but all chips seem about as warm/hot as my other systems. Plus, the fact if the ECS V2 is removed, the corruption is gone. I am going to recap the board since it needs it anyway, some caps show some signs of leakage. Though I doubt this will resolve the issue. I want to continue to use the ECS V2, since its Video output is amazingly clear compared to other Scan Converters I have or tried.
My question is, what lines on the A600's Expansion connector does the ECS V2 get its video from? This may help me diagnose the issue better. If anyone has any ideas of what could cause this, any help would be appreciated.