
9
APA-348 Installation Guide
Part Number: 510603-00, Rev. A
Print Spec Number: 492716-00
Current Date: 5/19/94 ECN Date: 5/31/94
6 If you share your MiniSCSI Plus adapter among
several systems or carry it for use on other sys-
tems, do not use the /M1 switch unless you are
absolutely sure that the other systems are com-
patible. Changes may take place to the system
configuration in your absence. It is better to run a
little slower than to take a chance on corrupting
your data.
Additional /M Switch Options
Switch settings /M2 and /M3 correspond to /M0 and
/M1 but force the adapter to operate in undirectional
mode. A few computers (such as the NEC Prospeed
SX/20) are incorrectly seen by the MiniSCSI Plus as
being equipped with a bidirectional parallel port,
instead of the actual unidirectional configuration.
This situation can cause data corruption, but using
/M2 (instead of /M0) or /M3 (instead of /M1) forces the
MiniSCSI Plus to use unidirectional mode and
should fix the problem.
Troubleshooting
If you have a problem during installation, check the
items below. Be sure to read the Troubleshooting sec-
tion in the Software User Guide for other related error
messages and remedies.
Note: You cannot boot from a device con-
nected to your MiniSCSI Plus, because your
computer does not expect to boot from a
device connected to the parallel port. There-
fore, your MiniSCSI Plus device drivers
must be loaded during the boot process from
another disk.
■ Make sure all cables are properly connected.
■ Make sure all SCSI devices have unique SCSI IDs.
■ Make sure the SCSI bus is correctly terminated.
Network Installations
If your computer is part of a network installation,
your printer port may be redirected to a network
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