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C141-E064-03EN5 - 8
(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 5.3 Motor start mode setting
Start timing of the spindle motor
CN2 11-12
(LP/MP)
CN2 11-12
(LC/MC)
Starting of the motor is controlled with the START/STOP
UNIT command.
Open Short
The motor is started immediately after the power supply is
turned on or the microcode is downloaded.
Short (*1) Open (*1)
*1 Setting at factory shipment
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 (CN2)
Write protect CN2 9-10
Write operation is enabled. Open (*1)
Write operation is disable. Short
*1 Setting at factory shipment
(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.