#: 21017 S12/OS9/68000 (OSK)
    23-Jun-95  08:57:01
Sb: #21016-#OS-9000 help
Fm: Pete Lyall 76703,4230
To: John R. Wainwright 72517,676 (X)

John -

Well, I don't know if this helps any, but usually COM3 and COM4 share
interrupts with COM1 and COM2 (IRQ 4 and IRQ 3 respectively). That's where I
would start looking.

Pete

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