Add code that works around the problem that the older Promise controllers (ultra/fasttrak-66/100) fails on 48bit accesses.
Add code that works around the problem that the older Promise
controllers (ultra/fasttrak-66/100) fails on 48bit accesses.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase