Fujitsu MAJ3364MP Manual/User Guide - Page 90
Mode settings, WIDE DATA TRANSFER REQUEST message sending
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Table 5.5 Setting of the SCSI interface operation mode (CN2) Operation mode Follows the DIFFSNS signal level on the SCSI bus Single-Ended mode * Set at factory shipment CN2 15-16 Open * Short (5) Setting the bus width of the SCSI interface By establishing a short-circuit between the 13 and 14 CN2 setting terminals, the bus width for the SCSI interface is forcibly set to the 8-bit bus mode. This setup terminal must be set in order to guarantee the physical level of the SCSI interface's upper bus (DB8-15, P1) inside the IDD only when the top-level bus (DB8-15, P1) for the IDD SCSI interface is not connected to the external part of the IDD. Table 5.6 Setting the bus width of the SCSI interface (CN2) Bus width CN2 13-14 16 bit bus Open * 8 bit bus Short * Set at factory shipment 5.3.3 Mode settings In addition to the previously described settings using setting terminals, the IDD is provided with several mode settings. The mode settings are enabled by specifying the CHANGE DEFINITION command. Table 5.7 lists the mode settings and their settings at factory shipment. Refer to Section 3.1.4 of the SCSI Logical Interface Specifications for details of the command. Table 5.7 Default mode settings (by CHANGE DEFINITION command) Mode setting SCSI level SYNCHRONOUS DATA TRANSFER REQUEST message sending UNIT ATTENTION report mode Reselection retry count WIDE DATA TRANSFER REQUEST message sending Reselection time-out delay Spindle motor start delay time Contents SCSI-2 Sent from IDD Reported Not restricted Sent from IDD 250 ms 0 sec (MP) 12 sec × SCSI ID (MC) C141-E103-02EN 5 - 9
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