@amigadave
From where have you copied the 68040.library?
I'm using a WarpEngine 4040 in my Amiga 4000, and have SCSI devices attached to the SCSI controller of the WarpEngine, and it runs rock-steady. IIRC I use the 68040.library found in the libs drawer of the Install 3.1 disk. Are you using the same?
