While other FPU cards for the IIsi offer a Nubus slot, this card appears to feature another PDS port. This should let you use SE/30 PDS cards though you can expect some compatibility issues due to the IIsi's 20MHz speed. | While other FPU cards for the IIsi offer a Nubus slot, this card appears to feature another PDS port. This should let you use SE/30 PDS cards though you can expect some compatibility issues due to the IIsi's 20MHz speed. |