User's Guide
Chapter 3 Emulated DLT7000 SCSI Commands
Mode Sense (6/10) (1Ah / 5Ah)
216 Quantum DX-Series Software Interface Guide
Table 167 Control 
Mode Page - Field 
Descriptions
Field Name Description
Page Length The value in this field indicates the number of bytes 
in the Control Mode Page being transferred. The 
value for this byte is 06h.
RLEC Report Log Exception Condition. This bit indicates 
whether the tape drive returns CHECK 
CONDITION status with sense key set to UNIT 
ATTENTION (06h) when one of its WRITE and 
READ error counters reaches a specified threshold, 
as follows:
0 = Do not return UNIT ATTENTION when a 
threshold has been met.
1 = Return UNIT ATTENTION when a threshold is 
met.
Queue 
Algorithm 
Modifier
Must be 0.
Qerr Queue Error. Must be 0.
Dque Disable Queuing. Must be 0.
EECA Enable Extended Contingent Allegiance. Not 
supported; must be 0.
Ready AEN 
Hold off 
Period
Not supported; must be 0.
RAENP Ready AEN Permission. Asynchronous event 
notification is not supported; must be 0.
UAAENP Unit Attention AEN Permission. Not supported; 
must be 0.
EAENP Enable AEN Permission. Asynchronous event 
notification is not supported; must be 0.










