Trouble with modem control

[tif at cpe.UUCP]

Written  8:31 pm  Mar 10, 1989 by cup.portal.com!Zap in cpe:comp.unix.xenix
>My problem is this: anytime the modem receives a ring, it displays a
>system message like this "garbage or loose connection on serial port 0;
>disabling port" or something like that and then it apparently ungettys
>the port.  My dialout is working fine but now I can't call INTO the system!

If you are using a modem-card:
My experience is that the UART is generating an interrupt on Ring Detect.
The fix was to lift the UART pin corresponding to RI (I think we grounded
it).

			Paul Chamberlain
			Computer Product Engineering, Tandy Corp.
			{killer | texbell}!cpe!tif