5-8
C141-E166
(2)
Motor start mode
Set how to control the starting of the IDD spindle motor according to Table 5.3. This setting only
determines the operation mode when the power supply is turned on or the microcode is
downloaded. In both modes, stopping or restarting the spindle motor can be controlled by
specifying the START/STOP UNIT command.
Table 5.3Motor start mode setting (NP model only)
Start timing of the spindle motor
CN2 11-12
Starting of the motor is controlled with the START/STOP UNIT command.
Open
The motor is started immediately after the power supply is turned on or the
microcode is downloaded.
Short
Refer to Chapter 3 of the SCSI Logical Interface Specifications for details of the START/STOP
UNIT command.
(3)
Write protect
When the write protect function is enabled, writing to the disk medium is disabled.
Table 5.4
Write protect setting (NP model only)
Write protect
CN2 9-10
Write operation is enabled.
Open
Write operation is disable.
Short
(4)
Setting of the SCSI interface operation mode
By establishing a short-circuit between the 15 and 16 CN2 setting terminals, the SCSI interface
operation mode is forcibly set to the single-ended mode. When this setup terminal is open, the IDD
automatically identifies the DIFFSNS signal level on the SCSI bus and the IDD SCSI interface
operation mode is set to the operation mode.
(default)
(default)
Содержание MAP3147NC - Enterprise - Hard Drive
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