*BSD News Article 34403


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From: kentp@isy.liu.se (Kent Palmkvist)
Newsgroups: comp.os.386bsd.questions
Subject: Re: [FreeBSD] ST01 SCSI controller + tape driver
Date: 16 Aug 94 11:10:50 GMT
Lines: 31
Message-ID: <kentp.777035450@isy.liu.se>
References: <31odnb$fg3@masala.cc.uh.edu> <MYCROFT.94Aug6072750@duality.gnu.ai.mit.edu> <320ijgINNo4r@uwm.edu> <32keue$1mv@masala.cc.uh.edu> <32oaioINN9jk@bonnie.sax.de>
NNTP-Posting-Host: lin.isy.liu.se

j@uriah.sax.de (J Wunsch) writes:

>wjin@moocow.cs.uh.edu (Woody Jin) writes:

>>I tried st01 with Wangtek SCSI drive (QIC) with FreeBSD 1.0,
>>but it didn't work at that time. ...

>>I wonder whether FreeBSD 1.1.5 fixed this problem.
>>(I don't have the Wangtek drive any longer. It was my friend's.)

>I'm not absolutely sure - someone might correct me here. But as far as
>i know, those cheapy silly SCSI connectors like ST-01 and compat's are
>build for the only purpose of attaching one or two hard drives at ID 0
>and 1.

Their BIOS only supports up to 2 hard drives, but theres nothing that
stops you from attaching more devices, including tape and CDROM. Then it
will be up to you to write the appropriate routines to use the devices.

I have tested a ST02 with a Wangtek 6200HS (DAT) and a 340MB Maxtor disk
using FreeBSD 1.1. The driver is included in FreeBSD 1.1.5 and has even
been tested with 386bsd. It did work. The drawback with these boards are
that they use the CPU to do everything, the same as with IDE.

/Kent

kentp@isy.liu.se