Name:         5xxx/6xxx Floppy Fix 1.0 
Version:      1.0
Released:     August 21, 1997
Requires:
Mac OS 7.6.1 or 8.0 and a Power Macintosh/Performa
52xx/53xx/62xx/63xx (but not 6360) computers.
Description:
Extension that corrects two problems (slow floppy diskette
mounting and failures copying large files to floppy
diskette) on 52xx/53xx/62xx/63xx (but not 6360) series
computers.


This software consists of a Disk Copy NDIF (New Disk Image
Format) compressed image, which requires Disk Copy 6.1 or
later to use. Download this software to your hard drive and
then double-click it to use it. Disk Copy is available in
the Utilities folder.

Disk Copy 6.1 (or later) or Disk Image Mounter 2.1 (or
later) from Apple are the recommended applications to access
all disk images released by Apple and are the only supported
applications to access NDIF disk images.

From the Read Me included with this software:

This document provides information about 5xxx/6xxx Floppy
Fix version 1.0. This extension is being released to address
two specific floppy related problems that have been reported
to Apple. They are:

- Slow Floppy Diskette mounting under Mac OS 7.6, 7.6.1 or
8.0
Some floppy drives in the Power Macintosh and Performa
52xx/53xx/62xx/63xx series of computers can exhibit slow
mounting when a floppy diskette is first inserted under Mac
OS 7.6, 7.6.1 or 8.0. You may notice that diskettes may take
up to 45 seconds for a floppy diskette to show up after
being inserted into the floppy drive. The 5xxx/6xxx Floppy
Fix extension corrects this problem.

- Large File Copying to Diskette Failures under Mac OS 7.6,
7.6.1 or 8.0
On some Power Macintosh and Performa 52xx/53xx/62xx/63xx
series of computers, errors may occur when copying large
files (>700K) to a floppy diskette. You may receive a
message that says" "The file 'xxx' could not be written
because a disk error occurred." The 5xxx/6xxx Floppy Fix
extension corrects this problem.

The 5xxx/6xxx Floppy Fix extension can be installed on both
Mac OS 7.6.1 and Mac OS 8.0. The extension will not load on
earlier system releases. The fixes included in the 5xxx/6xxx
Floppy Fix extension will be included in future releases of
Mac OS. If you are running under Mac OS 7.6, it is
recommended that you upgrade to Mac OS 7.6.1 before
installing this software. The free update is available on
Apple's Software Update locations at:
<http://www.info.apple.com>.

Who needs the 5xxx/6xxx Floppy Fix 1.0?

The 5xxx/6xxx Floppy Fix should be installed on the below
Apple computers running Mac OS 7.6.1 or Mac OS 8.0. Note
that this extension will have no effect if it is loaded on
any other Mac OS computer.

Power Macintosh 5200
Power Macintosh 5260
Power Macintosh 5300
Macintosh Performa 5200CD
Macintosh Performa 5210CD
Macintosh Performa 5215CD
Macintosh Performa 5220CD
Macintosh Performa 5260CD
Macintosh Performa 5260/120
Macintosh Performa 5270CD
Macintosh Performa 5280
Macintosh Performa 5300CD
Macintosh Performa 5320CD

Power Macintosh 6200
Power Macintosh 6300
Macintosh Performa 6200CD
Macintosh Performa 6205CD
Macintosh Performa 6210CD
Macintosh Performa 6214CD
Macintosh Performa 6216CD
Macintosh Performa 6218CD
Macintosh Performa 6220CD
Macintosh Performa 6230CD
Macintosh Performa 6260CD
Macintosh Performa 6290CD
Macintosh Performa 6300CD
Macintosh Performa 6310CD
Macintosh Performa 6320CD

How to install the 5xxx/6xxx Floppy Fix 1.0? 

To install the 5xxx/6xxx Floppy Fix extension follow these
steps:

1. Locate the System Folder on the computer's hard disk.
Don't open the System Folder.

2. Drag the file named "5xxx/6xxx Floppy Fix" to the System
Folder.

3. A message appears asking if you want to put the
"5xxx/6xxx Floppy Fix" into the Extensions folder. Click OK.
If a second message appears stating that "5xxx/6xxx Floppy
Fix" already exists and asks you if you would like to
replace it, click OK.

4. Open the Special menu and choose Restart.


Technical Details

Slow Floppy diskette mounting under Mac OS 7.6, 7.6.1 or 8.0
Users with one of the computers mentioned above may notice
that floppy diskettes can take up to 1 minute to mount after
upgrading to Mac OS 7.6, 7.6.1 or 8.0. Normally, this should
only take 15 - 20 seconds if the floppy diskette does not
have errors. The floppy disk drive in your Power
Macintosh/Performa requires a piece of software called a
"driver" to interface it to the rest of the Mac OS. Mac OS
7.6, 7.6.1 and 8.0 install a new updated floppy driver for
these computers. The new floppy driver, which is added to
the System file in the System Folder, has an internal cache*
of memory to allow for faster floppy diskette access on
these computers. Unfortunately, this cache of memory is not
turned on under Mac OS 7.6, 7.6.1 and 8.0 and therefore
access to the floppy diskettes is slower without the
5xxx/6xxx Floppy Fix extension installed. The 5xxx/6xxx
Floppy Fix extension insures that this internal cache of
memory is turned on under Mac OS 7.6.1 and 8.0.

*Note: The floppy driver cache is not the same as the "Disk
Cache" (controllable in the Memory Control Panel) or any
processor or "Level 2" cache that may be installed. It is
strictly an internal floppy driver concept.

Large File Copying to Diskette Failures under Mac OS 7.6,
7.6.1 or 8.0 Users with one of the computers mentioned above
may notice that file copies of large files (>700K) to floppy
diskettes may fail more often than normal under Mac OS 7.6,
7.6.1 or 8.0. This can happen even though the same diskette
works fine on other computers. The updated floppy driver
added to Mac OS 7.6, 7.6.1 or 8.0 could cause errors when
copying large files to floppy diskettes. The 5xxx/6xxx
Floppy Fix adjusts the timing of the driver to avoid this
problem under Mac OS 7.6.1 and 8.0


(c) 1997 Apple Computer, Inc. All rights reserved.

Apple, the Apple logo and Power Macintosh are trademarks of
Apple Computer, Inc., registered in the U.S. and other
countries.
