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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!news.sprintlink.net!newsfeed.internetmci.com!news.mathworks.com!news.kei.com!eff!news.umbc.edu!cs.umd.edu!not-for-mail From: jdowdal@cs.umd.edu (John Dowdal) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: NCR 815 SCSI problems w/2.0.5R and snap Date: 17 Jul 1995 15:46:58 -0400 Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742 Lines: 15 Message-ID: <3ueeni$hr1@lovedog.cs.umd.edu> References: <3u8sul$4sr@amanda.cs.umd.edu> NNTP-Posting-Host: lovedog.cs.umd.edu In article <3u8sul$4sr@amanda.cs.umd.edu>, John Dowdal <jdowdal@cs.umd.edu> wrote: >I have attempted to boot the floppies from both the 2.0.5R and 950622-SNAP >leading to a "integer divide fault panic" after detecting SCSI devices, but >before completing the boot. I solved my problem. The future domain used a geometry of 1MB/cyl. The NCR used a geometry to yield <1024 cylinders. Thus, the controller transplant led to the problem. I re-fdisk'd the disk and the problem went away. There seems to be no problem with the disk portion of NCR. I got 3MB/sec (6MB combined) from both disks at the same time and up to 5MB/sec from the DEC disk depending on zone (from dd if=/dev/rsd? of=/dev/null bs=256k) John