Townshend Computer Tools DAT-Link User Manual page 21

2.4 Machine Speci c Instructions
Choosing a SCSI ID
DAT-Link
Before connecting the
use on your system. To do this, you need to rst shutdown the computer by logging
in as root and running:
shutdown -h now
Once you receive a \ " prompt, make sure all the SCSI devices connected to the
>
machine are turned on, and type:
show device
This will display a listing of each SCSI device connected to the machine. It will
also indicate the SCSI target ID of each device including the
connected. Examine the display and note which devices are in use. Any ID's
between 0 and 6 which do not show a connected device can be used for the
Link
. Note that although the
9 are reserved for factory testing. ID 7 is reserved by the host computer. For
the following instructions, we will assume that the device ID chosen was 4. If you
choose a di erent ID, make sure you replace \4" with the chosen ID before typing
any commands that follow.
Connecting the
DAT-Link
The next step is to connect the
unterminate the SCSI bus temporarily, it is recommended that you shut-down and
turn o the computer before making the connection.
The Options switches on the rear of the
down. Then connect the
DAT-Link
is the last device on the SCSI bus, be sure to connect the provided SCSI
terminator between the cable and the
so can cause problems with rebooting the DECstation. Once you have chosen an
ID and connected the DAT-Link, rerun the
the computer can communicate with the
Once it is hooked up and powered on you can reboot the computer. If you have
trouble rebooting, verify that the SCSI ID selected on the
that was already in use. Note that during the boot sequence, some SCSI devices
DAT-Link
will be listed. The
problem.
, you need to check which SCSI ID's are already in
DAT-Link
's ID switch goes up to 9, settings 8 and
DAT-Link
to the computer. Since it is necessary to
DAT-Link
DAT-Link
to the computer using the SCSI cable. If the
DAT-Link
's SCSI connector. Failure to do
show devices
DAT-Link
may not appear in this list. This does not indicate a
DAT-Link
, if it is
should be set with all switches
command to verify that
.
DAT-Link
was not one
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DAT-