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From: bmug@well.UUCP (Frederick A. Huxham)
Newsgroups: net.micro.mac
Subject: Only 391K in disk?
Message-ID: <486@well.UUCP>
Date: Tue, 14-Jan-86 03:44:26 EST
Article-I.D.: well.486
Posted: Tue Jan 14 03:44:26 1986
Date-Received: Wed, 15-Jan-86 01:38:24 EST
Organization: Whole Earth Lectronic Link, Sausalito, CA
Lines: 23
Keywords: 1000 bytes vs. 1024

Someone recently posted something about formatting floppys with
Finder 5.* and coming up with only 391K in disk?  They were somewhat
upset.  

No need to worry, the reason you (seem to) lose 9K on every disk
is that Apple used to count 1K as 1000 bytes.  Unfortunately, 1K =
1024 bytes.  They figured it out by the time they got to Finder
5.* so now when it adds up how much space you have on disk it 
comes up with a slightly smaller number.

Also, for the people that have copied black holes into their
HD20's, there are 2 programs floating around called
HD Diag, and Scavenger Mac which are HD utilities.  The programs
seem to allow you to format individual tracks, zero and initialize the
disk, recover lost files and a zillion other things.  I don't have 
an HD20 so I can only boot them up and read the menus, I'm not
absolutely sure what the applications do, but they seem like they
might be what you want.  

They're Apple's programs so I'm not in a position to post them, but
if Apple would like to...

Fred A. Huxham