Quantum DLT 4700, Product Manual

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DLT4000 SCSI Interface
8-56 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
8.4.9.5 Control Mode Page (0Ah)
The control mode page provides controls over several features such as tagged queuing,
extended contingent allegiance, asynchronous event notification, and error logging.
Bit
7 6 5 4 3 2 1 0
0 RSVD Page Code
1 Page Length
2 RSVD RLEC
Byte 3 Queue Algorithm Modifer Reserved QErr DQue
4 EECA Reserved
RAENP UAAENP EAENP
5 Reserved
6 (MSB)
7 Ready AEN Holdoff Period (LSB)
Figure 8-35 Control Mode Page (0Ah)
A report log exception condition (RLEC) bit of one specifies the target reports log
exception conditions. An RLEC bit of zero specifies the target is not reporting log
exception conditions.
Page Code
The Page Code identifies the type of MODE SELECT page being transferred. This is
the Control Mode Page. The valid value for Page Code is 0Ah.
Page Length
The Page Length indicates the number of bytes in the Control Mode Page that follow
this byte. The valid value for this byte is 06h.
RLEC
The RLEC bit works with the READ/WRITE Error Log Sense Page. Refer to the
previous section Read/Write Error Log SENSE Page Format (Page 2 and 3) under the
TMC bit description.