SAC_BUS8
regs->Control = regs->Control & ~SAC_BUS8;
regs->Control = Control | SAC_BUS8;
if (((BusMode & SAC_MODE16) == 0) && ((Control & SAC_BUS8) == 0))
Interface->Control = Interface->Control & ~SAC_BUS8;
Interface->Control = Control | SAC_BUS8;
if (((BusMode & SAC_MODE16) == 0) && ((Control & SAC_BUS8) == 0)) return E_DISK_RESET_FAILED;