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From: rs4u+@ANDREW.CMU.EDU (Richard Siegel)
Newsgroups: comp.sys.mac
Subject: Mac II horrors
Message-ID: 
Date: Mon, 13-Jul-87 13:58:29 EDT
Article-I.D.: andrew.cUyFz5y00WI8MT00Un
Posted: Mon Jul 13 13:58:29 1987
Date-Received: Tue, 14-Jul-87 06:48:39 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
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THis morning, I carried my hard drive from my Mac Plus
to a newly acquired Mac II. I hooked everything up, turned
on the disk, waited 10 seconds, and turned on the Mac II. 
Whiole the Mac was booting, I moved the keyboard to a more
comfortable position; in the process, the
keyboard cable snagged (not my fault; I've alread shot
the installer), and the keyboard got disconnected.
The Mac II stopped dead in its tracks. Screen went dark,
disk stopped running. So I turn everything off, 
reroute the cables from the keyboard, and
fire everything up. No response from the hard drive.
The Mac II sits there and blinks the question mark, so
I stick in a floppy. The system boots; I get
the floppy's icon, then I get the message: "This is
not a Macintosh disk; do you want to initialize it?"

After some sincere curses, I click "Cancel". I fire up 
the Apple HD SC Setup (I'm using HD 20SC), and initialize
the hard disk. But when I quit to the Finder, the Hard drive's
icon doesn't appear! So I go back intoh HD SC setup, and
it says that my hard disk (SCSI 5) is not a Macintosh-format
hard disk.

So I carry the whole deal back to my Plus, and restore the
hard disk (DiskFit is *wonderful*). Then I go back to the
Mac II, hook up everything, and power on.
This time, I get a System Error 33 on startup. I click Restart,
and once again, my hard disk is destroyed!

Why is my hard disk getting ruined?! Here's the background:

	Mac II with 1mb memory, one floppy drive.
	Apple Extended Keyboard
	Apple Hard Disk 20SC (platinum) set to SCSI address 5
	Apple 12" monochrome monitor
	Apple Video Card

The software:

	System 4.1
	Finder 5.5
	Hard Disk SC Setup version 1.3

I don't have any strange startup software; the only INIT
I have is for LaserSpeed (a LaserWriter print spooler).
I suspect that this INIT *may* have caused the system error, 
but why? I've since un-installed it, but
I'm not especially interested in risking the information
on my hard disk
again.

I didn't actually lose anything, since I backed up the hard drive
before moving it, but it is a real inconvenience to restore
a hard disk; it takes a while.

Can anyone offer help? Has anyone had a similar problem?
I remember hearing about problems with early hard disks
on the SE; is this possibly related?

Any assistance would be greatly appreciated.

		--Rich