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

Cable

Description

 

Number

Length

 

 

 

 

 

 

C2955A

0.5m

50-pin HDTS1 to 50-pin HDTS

 

C2908A

1.0m

 

 

 

 

 

 

C2956A

1.5m

 

 

 

 

 

 

C2957A

2.0m

 

 

 

 

 

 

1. High Density Thumb Screw (HDTS)

84

Chapter 4