From owner-freebsd-current Mon Mar 4 01:18:48 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id BAA14798 for current-outgoing; Mon, 4 Mar 1996 01:18:48 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id BAA14793 for ; Mon, 4 Mar 1996 01:18:37 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id TAA12382; Mon, 4 Mar 1996 19:53:08 +1030 From: Michael Smith Message-Id: <199603040923.TAA12382@genesis.atrad.adelaide.edu.au> Subject: Re: new sio delays To: brian@easy1.mediacity.com (Brian Litzinger) Date: Mon, 4 Mar 1996 19:53:08 +1030 (CST) Cc: msmith@atrad.adelaide.edu.au, current@freefall.freebsd.org In-Reply-To: <199603040915.BAA18612@MediaCity.com> from "Brian Litzinger" at Mar 4, 96 01:15:02 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.ORG Precedence: bulk Brian Litzinger stands accused of saying: > > > Some ISA 'internal modems' don't have real 8250-family UARTs, they attempt > > to emulate them using their onboard processors. > > > > Most of these are quite slow at generating interrupts, and responding in > > general, so waiting a while gives them time to react. > > > > Over the last six months or so, we've had a number of successful results > > with these delays, hence bde committing them. > > Is that why I no longer have to delete test 5 from sio.c to get my > Cardinal PCMCIA modem to be recognized? That's the general idea, yes. > Brian Litzinger -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[