Specifications

DocSTAR Level 2 Service Training Workbook Page 3
device and a separate logical unit number for the CD-ROM device. All DocSTAR SCSI
Devices are SCSI 2 devices, except for the External RAID5 Tower, which is SCSI 3.
Figure 1.2: DocSTAR External SCSI Devices
Setting SCSI Ids for DocSTAR devices or SCSI Host Adapters is accomplished by using
one of the following methods:
Figure 1.3: Methods of Setting SCSI Ids
In Figure 1.3, specifying the desired SCSI Id in decimal form sets the rotary switch
settings and software settings for SCSI Id. In the case of the jumper settings and the DIP
switch settings, the SCSI Id is set in binary form as shown in Figure 1.4.
SCSI ID ID bit 0 or ID bit 1
2
0
=1
ID bit 1 or ID bit 2
2
1
=2
ID bit 2 or ID bit 4
2
2
=4
0
0 0 0
1
1 0 0
2
0 1 0
3
1 1 0
4
0 0 1
5
1 0 1
6
0 1 1
7
1 1 1
Figure 1.4: Binary Chart for SCSI Ids