Fujitsu MAF3364LC, MAF3364LP, MAG3182LC 3 Motor start mode setting, 4 Write protect setting CN2

(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	CN2 11-12
	(LP/MP)	(LC/MC)
Starting of the motor is controlled with the START/STOP	Open	Short
UNIT command.
The motor is started immediately after the power supply is	Short (*1)	Open (*1)
turned on or the microcode is downloaded.
*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.

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