Help with SCO Xenix and internal modem

[glenn graber]

I have a Hyundai 386SX PC with SCO Xenix.  The PC has an internal
modem, at COM4.  How do I address/use it ?

If I do mkdev serial and select 1,2,4,8 port board, uucico can not
open the device /dev/tty4A or /dev/tty4a .

The system in general seems to be ok, because when using and external
modem, at COM1 or COM2, it works great.

Any help would be greatly appreciated.

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ggg  (..mcdchg!motdet!ggg)
Glenn Graber - Systems Engineer - Motorola Computer Group