From owner-freebsd-hackers Thu Nov 12 04:53:48 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id EAA04625 for freebsd-hackers-outgoing; Thu, 12 Nov 1998 04:53:48 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from freebsd.dk (sos.freebsd.dk [212.242.42.180]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA04614 for ; Thu, 12 Nov 1998 04:53:41 -0800 (PST) (envelope-from sos@freebsd.dk) Received: (from sos@localhost) by freebsd.dk (8.9.1/8.9.1) id NAA00697; Thu, 12 Nov 1998 13:52:00 +0100 (CET) (envelope-from sos) From: Søren Schmidt Message-Id: <199811121252.NAA00697@freebsd.dk> Subject: Re: SCSI vs. DMA33.. In-Reply-To: <19981112132110.B16085@cons.org> from Martin Cracauer at "Nov 12, 1998 1:21:10 pm" To: cracauer@cons.org (Martin Cracauer) Date: Thu, 12 Nov 1998 13:51:59 +0100 (CET) Cc: dillon@apollo.backplane.com, grog@lemis.com, hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG It seems Martin Cracauer wrote: > > > You didn't read what I wrote. I am aware of these issue and have 4 > > > drives, 4 channels on two cards. That it doesn't work because the two > > > channels on each Promise card block each other is a different matter > > > that was not foreseeable. > > > > I just checked here, I have no problems using both channels at once, > > do you have the BIOS enabled ?? If not you wont be running your > > drives at full specs... > > I don't have the BIOS installed, because I boot from a SCSI disk :-( And? that should be a problem, I dont boot on those either (yet) > I thought it can't be that bad because I'm much faster than the normal > DMA stuff using the onboard IDE controllers and boot -v shows udma > settings and anyway I can't think of a reason why the channels are > synchronized without the BIOS. Next thing to try after I copied my > boot parition. As I think over it, a /boot.conf entry could be > sufficient. > > If you're right, my plan seems to work. Cheap fast space :-))) Yup, works for me that way... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Søren Schmidt (sos@freebsd.org) FreeBSD Core Team member To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message