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.

CCCommand 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.

User’s Guide

21020285 D

Page 65
Image 65
Ciprico Rimfire 3880 manual Command Operation Base Status Block