Legacy Document

Important: The information in this document is obsolete and should not be used for new development.

Chapter 3 - SCSI Manager / SCSI Manager Reference

SCSISelect
You use SCSISelect function to select a SCSI device for a subsequent operation.
FUNCTION SCSISelect (targetID: Integer): OSErr;
targetID
The SCSI ID of the target device, with a value from 0 to 7.

DESCRIPTION
The SCSISelect function selects the SCSI device identified by the targetID value.

IMPORTANT
You must call the SCSIGet function before calling SCSISelect.

ASSEMBLY-LANGUAGE INFORMATION
The trap macro and routine selector for SCSISelect are
Trap macro Selector
_SCSIDispatch $0002

RESULT CODES
noErr 0 No error
scCommErr 2 Communications error, operation timeout
scArbNBErr 3 Bus busy, arbitration timeout
scSequenceErr 8 Attempted operation is out of sequence

SEE ALSO
See "SCSI Bus Phases," beginning on page 3-5, for a description of the selection phase.

Trap macro	Selector
_SCSIDispatch	$0002

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noErr	0	No error
scCommErr	2	Communications error, operation timeout
scArbNBErr	3	Bus busy, arbitration timeout
scSequenceErr	8	Attempted operation is out of sequence

Legacy Document

SCSISelect

DESCRIPTION

ASSEMBLY-LANGUAGE INFORMATION

RESULT CODES noErr0No error scCommErr2Communications error, operation timeout scArbNBErr3Bus busy, arbitration timeout scSequenceErr8Attempted operation is out of sequence

SEE ALSO

RESULT CODES
noErr 0 No error
scCommErr 2 Communications error, operation timeout
scArbNBErr 3 Bus busy, arbitration timeout
scSequenceErr 8 Attempted operation is out of sequence