From owner-freebsd-hackers Thu Feb 9 10:34:55 1995 Return-Path: hackers-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id KAA14993 for hackers-outgoing; Thu, 9 Feb 1995 10:34:55 -0800 Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.cdrom.com (8.6.9/8.6.6) with SMTP id KAA14983 for ; Thu, 9 Feb 1995 10:34:32 -0800 Received: from sax.sax.de by irz301.inf.tu-dresden.de with SMTP (5.67b+/DEC-Ultrix/4.3) id AA28153; Thu, 9 Feb 1995 19:31:53 +0100 Received: by sax.sax.de (8.6.9/8.6.9-s1) with UUCP id TAA01575 for freebsd-hackers@freebsd.org; Thu, 9 Feb 1995 19:31:52 +0100 Received: by bonnie.tcd-dresden.de (8.6.8/8.6.6) id SAA05686; Thu, 9 Feb 1995 18:59:54 +0100 From: j@uriah.sax.de (J Wunsch) Message-Id: <199502091759.SAA05686@bonnie.tcd-dresden.de> Subject: Re: FreeBSD with Bustec BT-542B SCSI interface To: freebsd-hackers@FreeBSD.org (FreeBSD hackers) Date: Thu, 9 Feb 1995 18:59:53 +0100 (MET) In-Reply-To: from "Bob Willcox" at Feb 9, 95 08:01:23 am X-Phone: +49-351-8141 137 Reply-To: joerg_wunsch@uriah.sax.de X-Mailer: ELM [version 2.4 PL23] Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Content-Length: 784 Sender: hackers-owner@FreeBSD.org Precedence: bulk As Bob Willcox wrote: | | J Wunsch wrote: | > All my problems went away with the following steps: | > | > . use the bt driver, | > . disable ISA DMA emulation from the EISA setup, | > . configure the board to use level-triggered interrupts, and | | 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? Certainly not. Anyway, you can use level-triggered interrupts on EISA when operating a true EISA board, even if there's only one interrupt source. -- cheers, J"org work: --- no longer --- private: joerg_wunsch@uriah.sax.de Never trust an operating system you don't have sources for. ;-)