From owner-freebsd-hackers Thu Feb 9 11:41:15 1995 Return-Path: hackers-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id LAA16167 for hackers-outgoing; Thu, 9 Feb 1995 11:41:15 -0800 Received: from tfs.com (mailhub.tfs.com [140.145.250.1]) by freefall.cdrom.com (8.6.9/8.6.6) with SMTP id LAA16161 for ; Thu, 9 Feb 1995 11:41:13 -0800 Received: by tfs.com (smail3.1.28.1) Message-Id: From: julian@tfs.com (Julian Elischer) Subject: Re: FreeBSD with Bustec BT-542B SCSI interface To: obiwan!bob@uudell.us.dell.com (Bob Willcox) Date: Thu, 9 Feb 1995 11:40:35 -0800 (PST) Cc: joerg_wunsch@uriah.sax.de, Pat_Barron@transarc.com, hackers@FreeBSD.org In-Reply-To: from "Bob Willcox" at Feb 9, 95 08:01:23 am X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 1147 Sender: hackers-owner@FreeBSD.org Precedence: bulk > > Hmm, I didn't realize the bt742a.c device driver would work with > level triggered interrupts. Does that mean that I can put multiple > BT747S's on the same IRQ? well the driver could do it, but the interrupt code will only call one device.. on OSF1 the (basically the same) driver get's called once for each device on that vector. > [...] > Has anybody else seen this kind of wierd behavior with the Buslogic BT-747S > cards? As I said above, I have 3 of these cards in the system did try the > others (for floppy connection). They all failed to boot the floppy at > a bus speed of 8MHz. here at TFS (the home of the bt driver.. we find we have to get teh bus speed as close to 8MHz as possible or our bt742 cards won't work.. (haven't tried 10, but 6 and 7 are definit losers..) julian +----------------------------------+ ______ _ __ | __--_|\ Julian Elischer | \ U \/ / On assignment | / \ julian@tfs.com +------>x USA \ in a very strange | ( OZ ) 300 lakeside Dr. oakland CA. \___ ___ | country ! +- X_.---._/ USA+(510) 645-3137(wk) \_/ \\ v