Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!biar!jhood From: jhood@biar.UUCP (John Hood) Newsgroups: comp.unix.i386 Subject: Re: 1540 and sync. SCSI drives Message-ID: <897@biar.UUCP> Date: 3 Oct 89 15:45:19 GMT References: <307@dksoft.incom.de> Reply-To: jhood@biar.UUCP (John Hood) Organization: Biar Games Inc., Ithaca, NY Lines: 15 Keywords: SCSI AHA1540 386/ix ISC In article <307@dksoft.incom.de> dirk@dksoft.incom.de (Dirk Koeppen) writes: >Does it work to connect a synchronous (4 MB/sec) disk drive and >an asynchronous (1.5 MB/sec) streamer onto the same SCSI bus on >the 386/ix Adaptec 1540 controller ? Does the driver switch the >disk drive into sync. mode or does it use both devices at async >mode ? According to Adaptec documentation, the controller itself handles negotiation for synchronous/asynchronous operation. This is an option selected by a jumper on the board. --jh-- John Hood, Biar Games snail: 10 Spruce Lane, Ithaca NY 14850 domain: jhood@biar.uu.net bang: anywhere!uunet!biar!jhood Looking for a OS hacking programming job in the Ithaca area...