From owner-freebsd-questions Thu Jun 25 00:42:01 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA14030 for freebsd-questions-outgoing; Thu, 25 Jun 1998 00:42:01 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from bugsy.indra.de (deuerl@bugsy.indra.de [193.158.1.4]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA14023 for ; Thu, 25 Jun 1998 00:41:50 -0700 (PDT) (envelope-from deuerl@bugsy.indra.de) Received: (from deuerl@localhost) by bugsy.indra.de (8.8.8/8.8.8) id HAA13232; Thu, 25 Jun 1998 07:50:01 GMT (envelope-from deuerl) From: Robert Deuerling Message-Id: <199806250750.HAA13232@bugsy.indra.de> Subject: Re: ncr scsi controller In-Reply-To: from Vallo Kallaste at "Jun 24, 98 06:19:55 pm" To: vallo@matti.ee (Vallo Kallaste) Date: Thu, 25 Jun 1998 07:50:01 +0000 (GMT) Cc: freebsd-questions@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > On Wed, 24 Jun 1998, Robert Deuerling wrote: > > > Hi, > > > > are there any "hidden" options to speedup / finetune the ncr > > scsi crontroller ? > > > > ncr0 rev 4 int a irq 11 on pci1:4:0 > > (ncr0:1:0): WIDE SCSI (16 bit) enabled(ncr0:1:0): 10.0 MB/s (200 ns, offset 15) > > (ncr0:1:0): "COMPAQ ST34572W 0892" type 0 fixed SCSI 2 > > *** > > Look at the end of /sys/i386/conf/LINT file. There are some SCSI_NCR_ > options. Personally I use only SCSI_NCR_DFLT_TAGS=8 (max number of tags > was 16 as I remember). For the meaning of these tags search /sys/pci/ncr.c > file, it's a very well commented one. > thx :-) i'll have a look... -Robert > > Vallo Kallaste > vallo@matti.ee > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message