Control Mode Page 0Ah - HP 2600fx - Optical Disk Drive Command Reference Manual

Control Mode Page 0AH

Table 2-33 Control Mode Page 0AH
a.For 9.1 and 5.2 Gbyte Capacity drives only.
Queue Algorithm
Modifier
DQue
Table 2-34 Queue Algorithm Modifier
Value
0H
01H
2H - 0FH
A value of zero (0) in this field specifies that the target will order the
actual execution sequence of the commands with a SIMPLE QUEUE
TAG such that data integrity is maintained for that initiator.
A value of one (1) in this field specifies that the target may reorder the
actual execution of the commands with a SIMPLE QUEUE TAG in any
manner.
Chapter 2
Byte 7 6
0 Reserved (0)
1
2
3
Queue Algorithm Modifier
4-7
The queue algorithm modifier field specifies restrictions
on the algorithm used for reordering commands that are
tagged with the Simple Queue Tag message.
A Disabled Queuing bit of 1 indicates that command
queuing is disabled.
A Disabled Queuing bit of 0 indicates command queuing
is enabled.
Mode Select Command (15H)
5 4 3
Page Code (0AH)
Page Length (06H)
Reserved (0)
Reserved
a
Reserved (0)
Definition
Restricted reordering
Unrestricted reordering allowed
Reserved
SCSI-2 Drive Command Set
2 1 0
DQue
2-39