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...