On Mon, 23 Jul 2001, Greg Hughes wrote:

> I've been meaning to make the code available except that I'm encountering
> buffer overrun errors on the DSIU port of the z50 which I cannot seem to
> eliminate (thanks to the 1-byte buffer on the DSIU port - blech!).  Most
> problematic if the machine is doing something while you're moving the
> mouse cursor (e.g. PCMCIA activity w/ my MicroDrive).
>
> I've tried setting the interrupt priority of the DSIU to that of the other
> BIO devices in the system and was met with little improvement.

Do you mean IPL_BIO or IPL_SERIAL?  I thought that the PCMCIA should
be much lower priority than the serial port for just this sort of
reason.