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84 Chapter4
SCSI Connections
SCSI Restrictions
SCSI Restrictions
This section describes the SCSI restrictions that apply to your
workstation in the following areas:
• Cables
• Terminators
• Number of Devices Per SCSI Bus
• Considerations for Selecting SCSI Devices
Note that the narrow single-ended SCSI bus supports only 7 devices
because address 7 is reserved by the system. The Ultra2 Wide
Low-Voltage Differential SCSI bus supports only 15 devices because
address 7 is reserved by the system.
Cables
Only SCSI cables approved by HP can be used to connect your
workstation to any SCSI devices. HP offers the following SCSI cables for
Ultra Narrow Single-Ended SCSI devices:
Table 4-2 Ultra Narrow Single-Ended SCSI Cables
Cable
Number
Cable
Length
Description
C2955A 0.5m
50-pin HDTS
1
to 50-pin HDTS
C2908A 1.0m
C2956A 1.5m
C2957A 2.0m
1. High Density Thumb Screw (HDTS)