Serial Port Problems - HP OmniBook 300 Service Manual

Serial Port Problems

Install loopback
connector
Run OB self-test
procedure
Yes
Self-test
OK?
Done: Serial port
OK
Done: Suspect bad
serial port in OB
base unit
Start: Problem with
serial port
Troubleshoot
Laplink Remote
No
Yes
Problem with
Laplink Remote?
Physical
inspection:
Cable
connected?
Bent pins?
Cable appears
OK?
Connected to
what?
Modem?
Printer?
Other?
Loopback
Yes
connector
available?
No
No
A
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