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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!news.Hawaii.Edu!ames!elroy.jpl.nasa.gov!swrinde!pipex!sunic!trane.uninett.no!eunet.no!nuug!EU.net!uunet!zib-berlin.de!informatik.tu-muenchen.de!ruess From: ruess@Informatik.TU-Muenchen.DE (Tom Ruess) Newsgroups: comp.os.386bsd.questions Subject: Adaptec sector translation feature Date: 20 May 1994 09:14:48 GMT Organization: Technische Universitaet Muenchen, Germany Lines: 28 Distribution: world Message-ID: <2rhv28$p6h@hpsystem1.informatik.tu-muenchen.de> NNTP-Posting-Host: hphalle9d.informatik.tu-muenchen.de Originator: ruess@hphalle9d.informatik.tu-muenchen.de Hello, I just purchased BSD 1.0 on CDROM. On account of all the postings I read in this newsgroup the system seems worthwhile an installation. I use the Adaptec 1542c SCSI controller on my machine. It has a sector translation feature which makes harddisks up to 8 gigs look like a 255-head disk with less or equal than 1024 cylinders. This enables it to boot OSes even if the boot data is stored "at the end" of the storage area. Adaptec says in the documentation that - if this feature is enabled - no two operating systems may be installed on the disk. You are allowed to run only DOS or any other OS on the disk, but not DOS and OS2 for example. Can anybody tell me what is the reason for this limitation? I'd like to install BSD and DOS on the same disk, using the sector translation feature. Thanks in advance, Tom. -- ----------------------------------------------------------- | Thomas Ruess | ruess@informatik.tu-muenchen.de | | Technische Universitaet | 100114.3265@CompuServe.COM | | Muenchen | Fax: +49-(0)89-8343173 | -----------------------------------------------------------