Date: Fri, 17 Jan 1997 14:33:03 -0800 (PST) From: Ulf Zimmermann <ulf@Alameda.net> To: jmb@freefall.freebsd.org (Jonathan M. Bresler) Cc: questions@freefall.freebsd.org, hardware@freefall.freebsd.org Subject: Re: [Q] aah-2940uw, disk need low level format Message-ID: <199701172233.OAA01427@bitch.Melmac.org> In-Reply-To: <199701172147.NAA28594@freefall.freebsd.org> from "Jonathan M. Bresler" at "Jan 17, 97 01:47:51 pm"
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> i have a dell dimension xps p90 with an aha-1540cp, (plug-n-pray > disabled) seagate st32550n 2gb scsi disk. no other drives or scsi > devices attached. works fine. time to upgrade to a faster scsi > controller. > > installed an aha-2940uw. the machine hangs during boot immediately > after printing the disk information. > > called adaptec support. after changing a number of controller > parameters on the aha-2940uw, each followed by a reboot. adaptec > says "you have to low level format". they state that the geometry > used by the aha-1540cp is not compatible with the aha-2940uw because > the aha-1540cp runs the scsi bus at 5 MB/s async and the aha-2940uw > want to run the scsi bus at 10 MB/s sync. > > this is the first time that i have heard such a recommendation. > does this match anyone's experience? > > jmb > > -- > Jonathan M. Bresler FreeBSD Postmaster jmb@FreeBSD.ORG > FreeBSD--4.4BSD Unix for PC clones, source included. http://www.freebsd.org/ > PGP 2.6.2 Fingerprint: 31 57 41 56 06 C1 40 13 C5 1C E3 E5 DC 62 0E FB > With "after printing the disk information" you mean the time, the Adaptec Bios is getting installed ? At this point the geometry shouldn't matter and the tip from Adaptec sounds like B.S. to me. Ulf. -------------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net
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