Date: Thu, 23 Jan 1997 14:50:06 -0800 (PST) From: "Jonathan M. Bresler" <jmb> To: gibbs@thefly.plutotech.com (Justin T. Gibbs) Cc: questions@freefall.freebsd.org, hardware@freefall.freebsd.org Subject: Re: [Q] aah-2940uw, disk need low level formation Message-ID: <199701232250.OAA17262@freefall.freebsd.org> In-Reply-To: <199701172126.NAA00599@thefly.plutotech.com> from "Justin T. Gibbs" at Jan 17, 97 01:26:29 pm
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Justin T. Gibbs wrote: > > Jonathan M. Bresler wrote: > > >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? > > Its not uncommon to have to dump and restore the data on a drive when > switching between controllers with different translations (this is only > neccessary if you need to boot off of the disk or access it via DOS BTW), > but the 1540 and 2940 should have the same translation options. The transfer > speed should not affect how the data is stored on the media. It sounds > to me like the support tech you talked to was either on drugs or figured that > by the time you low leveled the drive and restored your data and called back, > he'd have gone home already. Perhpas have some sort of IRQ conflict with an > ISA device? the answer is "flash the bios to the most recent pnp version". teh bios did not support plug-in-dismay, flashing the bios fixed that. nwo the aha-2940uw works well with the st32550n. new problem.....the ethernet card, smc 8013ewc, does not work. the error message is ed0: failed to clear shared memory at cc000 - check configuration. the card is hard jumpered to irq 10, ioaddr 300, mem cc000. worked great at that setting before i flashed the bios ;) installed 2.2-alpha via the this ethernet card at those settings. i will redo the ICU utility and make sure that these resources are not getting stolen by the pci bus. jmb
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