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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)
5.7 Dismounting HDDs
Since the method and procedure for dismounting the HDD, etc. depends on the locker structure of
the system, etc., 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 HDD to make sure the spindle motor completely stops
after power was turned off.
CAUTION
High temperature
To prevent injury, never touch the HDD while it is hot. The DE and LSI
become hot during operation and remain hot immediately after turning off the
power.
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 HDD, then remove the HDD from the system
cabinet.
f) When storing or transporting the HDD, put it the antistatic case (Fcell) (see Section 5.1 and
6.5).
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