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User’s Guide 21020285 D
Chapter 4 Command Operation
The Base Status Block Page 4 - 7
CSB Continued Status Block - This bit indicates that the current Status
Block is one of a series of Status Blocks generated because extended Sense
Bytes are enabled. Only valid for Pass-through commands issued through
Command List.
0 ⇒ Status Block is first (or only) Status Block
1 ⇒ Status Block is one of a series of Status Blocks.
DTG Data Transfer Greater - Indicates when a Initiator Pass-through
command completes with more bytes requested by the SCSI device than was
specified in the transfer count field.
0 ⇒ Data transfer was not greater.
1 ⇒ Data transfer was greater.
DTT Data Transfer Truncated - Indicates when a Initiator Pass-through
command completes with fewer bytes transferred than requested.
0 ⇒ Data transfer was not truncated.
1 ⇒ Data transfer was truncated.
RTY Retry - Indicates whether a Pass-through command required retries to
complete.
0 ⇒ No retries were required.
1 ⇒ Retries were required to complete.
ERR Error Status - Identifies when a Board-control or Pass-through
command completes with an error.
0 ⇒ No error occurred.
1 ⇒ An error occurred.
CC Command Complete - Indicates whether a Board-control or Pass-
through command has finished.
0 ⇒ Command not complete.
1 ⇒ Command complete.
Error - When an adapter-detected error occurs, this byte contains an error code
to describe the condition. Error Codes are described in Appendix A.
Status Information - Depending on the type of command that was issued,
the RF3880 will return different types of Status Information in these fields. For
Initiator Pass through commands, SCSI Status and Sense Bytes will be returned.
For details see Chapter 5. Target Mode Response command Status Blocks are
described in Chapter 6. See Chapter 7 for details about any special Status Blocks
returned from Board-control commands.