PRIMARY_DRIVE_REGISTERS_POFFSET
{ PRIMARY_DRIVE_REGISTERS_POFFSET, PRIMARY_AUX_REGISTER_POFFSET },
#define PRIMARY_AUX_REGISTER_POFFSET (PRIMARY_DRIVE_REGISTERS_POFFSET + 0x380)
{ PRIMARY_DRIVE_REGISTERS_POFFSET, PRIMARY_AUX_REGISTER_POFFSET,