HP NonStop G-Series - Manual (Page 51)

The 5157/5157 ACL S-Series Subsystems Installation/Users Guide
Installing and Configuring the 5157 Tape Drive
3-12
Table 3-4 5157 drive Troubleshooting Chart
If . . .
Then . . . The Installer should . . .
The system does not recognize
the 5157 drive The system might not be
configured to see the SCSI ID.
The SCSI ID might not be
unique.
The parameters for the SCSI
adapter might be incorrect.
The SCSI signal cable might
be loose.
The SCSI terminator might not
be present or might be loose.
The SCSI bus might not be
correctly terminated.
The SCSI terminator might not
be at the end of the bus, or
more than two terminators
might be present. Configure the system to see
the ID.
Change the SCSI ID and
Reconfigure the system. The
new ID is effective at the next
power-on.
Check the SCSI adapter
Installation.
Make sure the connector on
each side of the cable is fully
seated.
Install the terminator; make sure
the terminator is fully seated.
If the 5157 drive is the last or
only device on the bus, make
sure the terminator is installed
on the 5157 drive.
If the 5157 drive is not the last
Drive or the only device on the
bus, check the cable
connections and make sure the
terminator is installed at the
end of the bus.
Be sure to install a terminator
at each end of the bus. One
terminator is usually installed
at the system.
The system does not recognize
the 5157 drive 1. The SCSI bus might be too
long.
2. Too many devices might be
on the bus.
1. Limit the bus length to the
ANSI SCSI standard of
23 meters (75 feet) for
differential.
2. Limit the number of devices
on the bus (including the
system) to sixteen. Check
the system.