Parallel port problems
Option problems
Action
An IBM option that
previously worked does
not work now.
Verify that all option hardware and cable connections
are secure.
If the option comes with its own test instructions, use
those instructions to test the option.
If the failing option is a SCSI option, verify that:
1. The cables for all external SCSI options are
connected correctly.
2. The last option in each SCSI chain, or the end of
the SCSI cable, is terminated correctly.
3. All external SCSI options are turned on. External
SCSI options must be turned on before the system
is turned on.
For more information, see your SCSI documentation.
If you cannot correct the problem, have the computer
serviced.
Parallel port problems
Action
Parallel port cannot be
accessed.
Verify that:
1. Each port is assigned a unique address.
2. The parallel port adapter, if you added one, is
properly installed and firmly seated. See
“Installing options in the desktop model” on
page 61 or “Installing options in the tower model”
on page 76 for instructions on adding adapters.
If you cannot correct the problem, have the computer
serviced.
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