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Troubleshooting Symptom Charts/Miscellaneous - 24
Transferring/print-
ing large files across
certain repeaters
causes Power
Macintosh 7200/90
to hang or exhibit
poor performance or
Power Macintosh
7200/90 locks up or
times out when run-
ning under TCP
1 Verify computer is Power Macintosh 7200/90 and attached
to Ethernet network.
2 Test to see if problem occurs on other systems (preferably
Power Macintosh 7200/75, 7500, 8500, or 9500
computers that utilize the new Open Transport networking
protocol).
• If yes, difficulty may be related to software or network to
which computer is attached. Perform basic software and
network troubleshooting to pinpoint problem.
• If no, difficulty may be related to Ethernet clock jitter.
Refer to logic board identification instructions on next
page to determine whether or not logic board has been
revised. If logic board is a revised module, problem may
have to do with the network. If logic board has not been
revised, replace it in at least one of the systems to verify
whether a revised board solves the problem.