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Chapter 2. Using the DWZZH UltraSCSI Hub
EK–DWZZH–UG. D01 2–3
Figure 2–1 DWZZH–05 SCSI ID Assignments
Controller Port
SCSI ID 6-0
Host Port
SCSI ID 15
Host Port
SCSI ID 14
Host Port
SCSI ID 13
Host Port
SCSI ID 12
S
HR-1
0
6
9
2.3 Narrow Addressing Setting
The large Hub can be used with SCSI bus architectures that are limited to eight
ID assignments, such as DIGITAL UNIX 4.x and earlier versions. (Figure 2-2
shows narrow ID assignments). The jumper on the rear of the Hub (Figure 2-3)
must be closed to make the Hub respond to SCSI IDs 3 – 0 on the host ports.