From owner-freebsd-hackers Mon Aug 12 12:33:43 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id MAA09251 for hackers-outgoing; Mon, 12 Aug 1996 12:33:43 -0700 (PDT) Received: from haldjas.folklore.ee (Haldjas.folklore.ee [193.40.6.121]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id MAA09077; Mon, 12 Aug 1996 12:32:27 -0700 (PDT) Received: (from narvi@localhost) by haldjas.folklore.ee (8.6.12/8.6.12) id WAA11848; Mon, 12 Aug 1996 22:35:34 +0300 Date: Mon, 12 Aug 1996 22:35:34 +0300 (EET DST) From: Narvi To: Mark Murray cc: hackers@freebsd.org, scsi@freebsd.org Subject: Re: 2 AHA1542's in one box In-Reply-To: <199608121912.VAA10070@grumble.grondar.za> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Mon, 12 Aug 1996, Mark Murray wrote: > Hi > > Does anyone have any experience in putting 2 AHA1542 cards into one > box? > > I tried this and have had no luck. Here is the saga: > > The first card is set to factory default and is an AHA1542C. The > second has been moved to Port 0x240 DRQ 6 IRQ 9 and is an AHA1542B. > After lots of fun-and-games while I actually got the card's strapping > right :-), I can get the 1542C ^A-BIOS to do a diagnostic run on both > cards and to probe for devices on both cards. > > Now - the first card works just fine. The second probes OK during > FreeBSD boot, but hangs solid during the "waiting for SCSI devices > to settle" pause. I have checked _everything_. The terminators are > OK, the card works (strapped to factory default) in another machine, > There are no DRQ/PORT/IRQ conflicts. > > The motherboard is a Megabyte G486 with an i486DX/50 and 16MB of RAM. > > Any clues? Hmm.... I'm not an expert with the Adaptec cards or with the PC bus designs, but wasn't it so that there could be only one bus master on the ISA bus? Sander > > M > -- > Mark Murray > 46 Harvey Rd, Claremont, Cape Town 7700, South Africa > +27 21 61-3768 GMT+0200 > Finger mark@grondar.za for PGP key >