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C141-E226 5-23
a. Control mode parameters
Parameter Default value
• Queue algorithm modifier 0 (Execution
sequence of
read/write
commands is
optimized.)
• QErr: Resume or abort remaining suspended
commands after sense pending state
0 (command is
resumed)
• DQue: Disabling tagged command queuing 0 (enabled)
5.7 Dismounting Drives
Since dismounting the drive to check the setting terminals, change the setting, or change the drive
depends on the structure of the system cabinet, the work procedures must be determined in
consideration of the requirements specific to the system. This section describes the general
procedures and notes on dismounting the drive.
It is recommended before dismounting the drive to make sure the spindle motor completely stops
after power was turned off.
a) Remove the power cable.
b) Remove the SCSI cable.
NC Model uses a single cable for power supply and the SCSI interface.
c) When the external operator panel is mounted, remove the cable. If it is difficult to access the
connector position, the cable may be removed after step e).
d) Remove the DC ground cable.
e) Remove the four mounting screws securing the drive, then remove the drive from the system
cabinet.
f) To store or transport the drive, keep it in an antistatic bag and provide packing (see Section
5.1).
5.8 Spare Disk Drive
See 2.1.1, “Model name and order number,” to order a disk drive for replacement or as a spare.