We have the identical problem.  We have a Northgate 386.  Thanks for
reminding me to call BioRad to fix it.
-Michael
 
On Fri, 24 Jun 1994, Paul Stoodley wrote:
> 600; when using the "accumulate" filter we get a framestore error message
> about 1 in 5 times. After getting this message we can no longer use the
> accumulate feature unless we exit COMOS and and then re-enter the program. We
> have tried 3 framestore boards and the problem has not been solved. According
> to Bio-Rad the problem is an uncompatability with the framestore board and the
> computer we are using (DEC Station 425C).