Date: Mon, 7 Dec 1998 11:33:27 -0500 From: Max Euston <meuston@jmrodgers.com> To: "'Thomas Good'" <tomg@nrnet.org>, "FreeBSD-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG> Subject: RE: Serial Comms Question Message-ID: <01BE21D5.697E7B40.meuston@jmrodgers.com>
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On Monday, December 07, 1998 8:35 AM, Thomas Good [SMTP:tomg@nrnet.org] wrote: > My USR 28.8 interal ACU (sio3 - cuaa3) is misbehaving. I am using HDB [snip] > But...I wait for local echo which is not forthcoming. When I hit CR I get > one word from my SCO login prompt echoed back. I press enter a few times > and eventually see my entire login prompt but am unable to send chars [snip] Check the IRQ setting on your modem. In the DOS world, COM 1&3 share IRQ 4 and COM 2&4 share IRQ 3. IIRC shared interrupts don't work in Unix so COM 3 uses IRQ 5 and COM 4 uses IRQ 9 by default. You can change this by typing '-c' at the bootup screen or by compiling a custom kernel. Good Luck, Max To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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