Windows comms program does not recognise modems on COM3

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Last Updated: 11th February, 1995

Symptoms
When running communications software through a Windows com program, OS/2 would not recognize modems at COM3.

Hardware
ZOOM FaxModem 28.8

Problem
According to IBM, OS/2 reserves IRQ 5 in its system setup for LPT2:. IRQ 5 is also used by COM3.

Procedure
Change com setting on modem to COM1 (best choice).