From owner-freebsd-stable Tue Dec 21 10:37:29 1999 Delivered-To: freebsd-stable@freebsd.org Received: from freeway.dcfinc.com (cx74889-a.phnx3.az.home.com [24.1.193.157]) by hub.freebsd.org (Postfix) with ESMTP id 0EE9914C45 for ; Tue, 21 Dec 1999 10:37:27 -0800 (PST) (envelope-from chad@freeway.dcfinc.com) Received: (from chad@localhost) by freeway.dcfinc.com (8.8.8/8.8.8) id LAA17976; Tue, 21 Dec 1999 11:37:17 -0700 (MST) (envelope-from chad) From: "Chad R. Larson" Message-Id: <199912211837.LAA17976@freeway.dcfinc.com> Subject: Re: ISA internal modem (was PCI) In-Reply-To: <199912211813.MAA87972@klentaq.com> from Wayne M Barnes at "Dec 21, 99 12:13:03 pm" To: stabilizer@klentaq.com (Wayne M Barnes) Date: Tue, 21 Dec 1999 11:37:17 -0700 (MST) Cc: imp@village.org, freebsd-stable@FreeBSD.ORG Reply-To: chad@DCFinc.com X-Mailer: ELM [version 2.4ME+ PL40 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As I recall, Wayne M Barnes wrote: > Now I try a simple 'AT' command to see if the modem can hear my typing. > > The echo of the modem seems to lag 1 character behind. That is, I only > see the A after I type the T, and I only get the T after I hit Enter. > Modem responds OK. Last time I saw that, it was an interrupt misconfigure. The receive interrupt was pointed in the wrong place, so the received (echoed) character was not processed until the transmit interrupt (from the next character) was asserted. -crl -- Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm? chad@dcfinc.com chad@larsons.org larson1@home.net DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message