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Path: utzoo!linus!philabs!cmcl2!seismo!hao!noao!terak!jb
From: jb@terak.UUCP (John Blalock)
Newsgroups: net.wanted.sources
Subject: Re: Re: SCSI driver wanted
Message-ID: <722@terak.UUCP>
Date: Wed, 18-Sep-85 12:22:59 EDT
Article-I.D.: terak.722
Posted: Wed Sep 18 12:22:59 1985
Date-Received: Sun, 22-Sep-85 13:24:46 EDT
References: <122@foxvax5.UUCP> <1554@brl-tgr.ARPA>
Organization: Calcomp Display Products Division, Scottsdale, AZ, USA
Lines: 20

> > I am looking for a SCSI (Small Computer Systems Interface)
> > bus device driver that runs on Intel 8086 processors running
> > any of the popular Unix-like opsys (Venix/Xenix/PC-IX).
> > 
> I have written SCSI drivers for a couple of different Host Adapters.
> SCSI is easy and straight forward and it is trivial to modify any
> UNIX disk driver to use it.  However, the hard part is dealing with
> the HOST ADAPTER, which is why it took me forever to get things going.
> The host adapter code is very specific to whichever one you have.
>
Also, there are differences in SCSI controllers ("vendor options") that
may have to be taken into account in your driver.  How one specifies
drive type, step rates, etc. in not uniformly consistent between controllers.
 
John Blalock, W7AAY

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