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3.5 Settings
C156-E224-01EN 3-19
1) Each SCSI device connected to the same SCSI bus must have a
unique SCSI ID.
2) If contention occurs in the ARBITRATION phase, the priority
of the SCSI use authority depends on SCSI IDs as follows:
7>6>5>4>3>2>1>0
(2) SCSI terminating resistor mode
Enabling or disabling the SCSI terminating resistor, module on the PCA can be
set.
When the drive positions at other than the end of the SCSI bus, the SCSI
terminating resistor should be disabled. Table 3.6 shows the SCSI terminating
resistor mode setting.
Table 3.6 SCSI terminating resistor mode
SCSI terminating resistor mode (7-8)
SCSI terminating resistor module on the PCA is enabled. SHORT *1
SCSI terminating resistor module on the PCA is disabled. OPEN
*1 Factory setting
(3) Write cache mode
The write cache mode can be set. The write cache mode can also be enabled or
disabled by the MODE SELECT command.
Table 3.7 shows the settings of the write cache mode.
Table 3.7 Write cache mode setting
Write cache mode (9-10)
Write cache is disabled at executing the WRITE/WRITE
AND VERIFY command
OPEN
Write cache is enabled at executing the WRITE/WRITE
AND VERIFY command.
SHORT *1
*1 Factory setting