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Article #27774

Re: protecting my HD20, turn off SCSI!

#27774
From: Bruce Hoof
Date: Wed, 04 May 1988 15:16
35 lines
2293 bytes
In article <2737@phoenix.Princeton.EDU> mjschmel@phoenix.Princeton.EDU (Michael J. Schmelzer) writes:
>I test a lot of potentially dangerous programs on my SE with an
>internal HD20. (i.e. I download a lot of goodies) 
>How can I "unmount" the HD so I can test a program in
>an insulated environment without fear of infecting all of my files
>on it? (God forbid the virus should reach a backup of the hd!)

	"It was not like this when I was a kid", ah yes, the good old days.
If I was testing some dangerous software on my computer and I had a external
drive I would disconnect it, turn the power off, and take it to the other
end of my house.  But since you have a internal drive, like me, you can do
the next best thing.  Do this:

	1) Restart your computer and insert disk right after.

	2) Hold down the  SHIFT-OPTION-COMMAND-DELETE  at the same time
		during reboot, until the computer is booting off of floppy.

This will disconnect the SCSI port.  It is only a software disconnect, I
think, so It may not be perfect but you will not be able to mount any hard
drive.  Hope this helps.

Bruce.

-- 
------------------------------------------------------------------------------
DISCLAIMER: I am not attached to any organization.  I am just a poor student
		getting through school. Hopefully soon.

                  Bruce Hoof +-------------------------------------------------
    Computer Science Student | uunet  \                  hoofb@psu-cs   (LOCAL)
Portland State University CS | ucbvax  }!tektronix!psu-cs!hoofb          (UUCP)
Portland Center for Advanced | gatech /              hoofb@cs.pdx.edu   (CSNET)
                             | ihnp4 /  hoofb%cs.pdx.edu@relay.cs.net (ARPANET)
-----------------------------+-------------------------------------------------
Technical Details
Message-ID: <667@psu-cs.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!tektronix!reed!psu-cs!hoofb
References: <2737@phoenix.Princeton.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!tektronix!reed!psu-cs!hoofb
From: hoofb@psu-cs.UUCP (Bruce Hoof)
Newsgroups: comp.sys.mac
Subject: Re: protecting my HD20, turn off SCSI!
Message-ID: <667@psu-cs.UUCP>
Date: 4 May 88 15:16:28 GMT
References: <2737@phoenix.Princeton.EDU>
Reply-To: hoofb@psu-cs.UUCP (Bruce Hoof)
Organization: Dept. of Computer Science, Portland State University; Portland OR
Lines: 35
Keywords: SCSI, HD20, virus
Summary: How do turn off the SCSI port.