From owner-freebsd-scsi Sat Oct 31 18:25:48 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA22188 for freebsd-scsi-outgoing; Sat, 31 Oct 1998 18:25:48 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from panzer.plutotech.com (panzer.plutotech.com [206.168.67.125]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA22183 for ; Sat, 31 Oct 1998 18:25:47 -0800 (PST) (envelope-from ken@panzer.plutotech.com) Received: (from ken@localhost) by panzer.plutotech.com (8.9.1/8.8.5) id TAA27464; Sat, 31 Oct 1998 19:25:34 -0700 (MST) From: "Kenneth D. Merry" Message-Id: <199811010225.TAA27464@panzer.plutotech.com> Subject: Re: AIC-7895 and 20.0MB/s transfers In-Reply-To: <19981101050949.A291@matti.ee> from Vallo Kallaste at "Nov 1, 98 05:09:49 am" To: vallo@matti.ee Date: Sat, 31 Oct 1998 19:25:34 -0700 (MST) Cc: freebsd-scsi@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL28s (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Vallo Kallaste wrote... > I purchased new motherboard recently which have onboard AIC-7895P > chip. All is well but dmesg says that I have 20MB/s transfers only. > When working with old ncr controller I have 40MB/s transfers. Some > bits from dmesg: > [ ... ] > changing root device to da0s1a > da0 at ahc0 bus 0 target 6 lun 0 > da0: Fixed Direct Access SCSI2 device > da0: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing > Enabled > da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C) > da1 at ahc1 bus 0 target 6 lun 0 > da1: Fixed Direct Access SCSI2 device > da1: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing > Enabled > da1: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C) > cd0 at ncr0 bus 0 target 0 lun 0 > cd0: Removable CD-ROM SCSI2 device > cd0: 10.0MB/s transfers (10.0MHz, offset 16) > cd0: Attempt to query device size failed: NOT READY, Medium not > present > > I feel that this issue was discussed lately somewhere but I'm not > sure. What I can do to get back faster transfers ? Well, I'll ask the obvious question: Is support for Ultra SCSI speeds enabled in the Adaptec BIOS? (ctrl-A when you boot the machine) Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message