On Jun 23, 1:14 pm, Wayne Stewart <waynejstew...@gmail.com> wrote: . > I haven't used this IIgs much as it came with a bunch of stuff I > acquired this month. I'm still thinking that there may be a memory > problem in the IIgs. Any other suggestions? I'd try swapping the power supplies first just to eliminate one of the more obvious causes of bad interface card behaviour. Matt