SAC_BUS16
regs->Control = Control | SAC_BUS16;
regs->Control = regs->Control & ~SAC_BUS16;
if (((BusMode & SAC_MODE16) > 0) && ((Control & SAC_BUS16) == 0))
Interface->Control = Control | SAC_BUS16;
Interface->Control = Interface->Control & ~SAC_BUS16;
if (((BusMode & SAC_MODE16) > 0) && ((Control & SAC_BUS16) == 0)) return E_DISK_RESET_FAILED;