From owner-freebsd-hackers Mon Feb 6 10:03:34 1995 Return-Path: hackers-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id KAA16212 for hackers-outgoing; Mon, 6 Feb 1995 10:03:34 -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 KAA16176 for ; Mon, 6 Feb 1995 10:02:32 -0800 Received: from sax.sax.de by irz301.inf.tu-dresden.de with SMTP (5.67b+/DEC-Ultrix/4.3) id AA14578; Mon, 6 Feb 1995 19:03:20 +0100 Received: by sax.sax.de (8.6.9/8.6.9-s1) with UUCP id TAA26126 for hackers@FreeBSD.org; Mon, 6 Feb 1995 19:03:20 +0100 Received: by bonnie.tcd-dresden.de (8.6.8/8.6.6) id SAA17102; Mon, 6 Feb 1995 18:49:13 +0100 From: j@uriah.sax.de (J Wunsch) Message-Id: <199502061749.SAA17102@bonnie.tcd-dresden.de> Subject: Re: FreeBSD with Bustec BT-542B SCSI interface To: Pat_Barron@transarc.com Date: Mon, 6 Feb 1995 18:49:13 +0100 (MET) Cc: hackers@FreeBSD.org In-Reply-To: from "Pat_Barron@transarc.com" at Feb 2, 95 08:22:01 pm 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: 730 Sender: hackers-owner@FreeBSD.org Precedence: bulk As Pat_Barron@transarc.com wrote: | | Has anyone successfully gotten FreeBSD working with a Bustec BT-542B | (Adaptec AHA-1542B clone) SCSI adapter? 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 . configure my board to use an ISA clock close to the standard 8 MHz (it's been 6 MHz before due to a bad floppy controller, but the Bt 742 refused to work at this clock) -- cheers, J"org work: --- no longer --- private: joerg_wunsch@uriah.sax.de Never trust an operating system you don't have sources for. ;-)