Path: utzoo!utgpu!water!watmath!clyde!bellcore!decvax!mandrill!gatech!rutgers!mailrus!utah-gr!utah-cs!cs.utexas.edu!utastro!werner
From: werner@utastro.UUCP (Werner Uhrig)
Newsgroups: comp.sys.mac
Subject: Re: 20 mb hard disk
Summary: I can, usually, get the disk to mount with MacZap-Tools ..
Message-ID: <2931@utastro.UUCP>
Date: 24 Jul 88 09:55:55 GMT
References: <487@dogie.edu> <46700039@uxf.cso.uiuc.edu>
Organization: U. Texas, Astronomy, Austin, TX
Lines: 41

In article <46700039@uxf.cso.uiuc.edu>, msf1537@uxf.cso.uiuc.edu writes:
 
> >I have a Mac SE 20 mb hard disk. The hard disk had been working fine
> >until one day the Mac was powered up and the system refused to recognize
> >the existence of the hard disk. I've tried using several hard disk utilities 
> >but to no avail. Is there any way short of re-initializing the hard
> >disk solve this problem.
 
> 	Does the system completely refuse to acknowledge the hard disk, or is
> it just failing to boot from it?
 
> 	If this is not the problem, and the hard disk simply does not show up
> AT ALL, then you have a hardware problem, and I can't help you.
 
when I encounter a hard-disk which doesn't want to mount after I boot from
a floppy and try to mount it with the help of the CDEV SCSI-Bus-1.0, I pull
out MacZap-Tools-5.1 and use it (and it's built-in SCSI-driver) to access
the disk, after which it shows up on the desktop when I quit Zap-Tools,
IFF I was able to access the disk with ZAP-Tools ... which is usually the
case.  I then back things up (if they weren't already), run DiskFirstAid and
MacExpress (I think there are some other useful programs I have not become
familiar with yet), and whatever other analyzing tools the disk came with ...

My Dataframe has shown these symptoms for quite some time now and I suspect
a transient failure in the boot-blocks (or some other critical area).

SUM (the successor of ZAP) may also have this ability to revive disks with
unusable SCSI-drivers, but I have not bothered to search for it, given that
ZAP-Tools does the trick for me ...

This sounds like a good time and reason to take out a pen and paper
and write a letter to Apple asking them when they will follow the lead of
Jasmine and provide some usefull Hard-Disk recovery tools and instructions.

Don't tell Apple how much you enjoy practicing your manual writing skills
again ... that would be counter-productive ....(-:
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