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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!lll-winken.llnl.gov!uwm.edu!vixen.cso.uiuc.edu!howland.reston.ans.net!nntp.crl.com!crl.crl.com!not-for-mail From: ggrant@crl.com (Gary E. Grant) Newsgroups: comp.periphs.scsi,comp.unix.bsd.freebsd.misc Subject: Re: PCI 2940 Config (and NCR) Date: 2 Sep 1995 12:36:03 -0700 Organization: CRL Network Services (415) 705-6060 [Login: guest] Lines: 33 Message-ID: <42abn3$mkv@crl.crl.com> References: <4298im$h4@trauma.rn.com> NNTP-Posting-Host: crl.com Xref: euryale.cc.adfa.oz.au comp.periphs.scsi:36405 comp.unix.bsd.freebsd.misc:5220 In article <4298im$h4@trauma.rn.com>, Larry Snyder <larry@rn.com> wrote: >I recently installed a 2940 Host Adapter in my machine and am using >the default settings including "Extended DOS translation for drives >greater than 1 Gig = Enabled". I have a 2 gig SCSI drive with a 400 >meg partition (the first partiion) as DOS, a 1400 meg BSD partition >(FreeBSD 2.0.5) and the 3rd partition is FreeBSD swap. > >The motherboard is an Opti Chipset P100 with 32 megs of RAM. The >2940 Bios is 1.11. > >Shouldn't I be able to install the NCR host adapter by just plugging it >in the PCI slot on the MB? The machine won't boot completely and acts >like it's having problems with sector translation. How does the NCR >handle drives larger than 1 gig? This isn't mentioned anywhere in >the documentation. > >larry > I suspect that that problem is: Adaptec & NCR use slightly different low=level format programs and the boot block format is not the same. What that means that you need to dump the disk to tape, re-fdisk the disk and the reload from the tape. I too have 2940 as well as NCR 810/825 controllers. NCR 810 wont boot from disk when it was FDISK'ed with 2940 and vice versa.. Future Data Controllers will boot from disks fdisked by either,, just my $.02 worth.... I dont no how to fix this problem, I just understand what it is... Gary :-)