IOP_REG_DC1       866 drivers/scsi/advansys.c #define AscReadChipDC1(port)              (ushort)inpw((port)+IOP_REG_DC1)
IOP_REG_DC1       867 drivers/scsi/advansys.c #define AscWriteChipDC1(port)             outpw((port)+IOP_REG_DC1, data)