Host Adapter StatusThis 8-bit field contains additional error information pertaining to the host adapteror SCSI subsystem in general. This field is valid when the Command Done flag is setto zero and one of the following flags is set to one: Specification Check, InitializationRequired, or Major Error/Exception.Code Description Associated Status Flag00 No Host Adapter Status Available04 Command Aborted by Host Major Error/Exception05 Command Aborted by Host Adapter Major Error/Exception08 Firmware Not Downloaded Initialization Required0A Target Not Assigned to SCSI Subsystem Specification Check11 Selection Timeout Major Error/Exception12 Data Overrun or Underrun Occurred Major Error/Exception13 Unexpected Bus Free Occurred Major Error/Exception14 Invalid Bus Phase Detected (SCSI Reset) Major Error/Exception16 Invalid Operation Code Specification Check17 Invalid SCSI Linking Operation Major Error/Exception18 Invalid Control Block Parameter Specification Check19 Duplicate Target Control Block Received Specification Check1A Invalid Scatter/Gather List Specification Check1B Request Sense Command Failed Major Error/Exception1C Tagged Queuing Message Rejected by Target Major Error/Exception20 Host Adapter Hardware Error Major Error/Exception21 Target Did Not Respond to Attn (SCSI Reset) Major Error/Exception22 SCSI Bus Reset by Host Adapter Major Error/Exception23 SCSI Bus Reset by Other Device Major Error/Exception80 Program Checksum Failure Major Error/ExceptionTarget StatusThis 8-bit field contains the data byte returned by the target during status phase. Ifthe command operation terminated before the target was able to transfer a statusbyte, this field will be set to zero and the host adapter status will be nonzero.Code Description00 Good Status or No Target Status Available02 Check Condition08 Target BusyContinuedEISA-to-Fast SCSI Host Adapter Enhanced Mode Firmware Description6-17
