Name:         54xx/64xx L2 Cache Reset
Version:      1.0
Released:     April 23, 1997
Requires:
A Power Macintosh or Performa 6360/54xx/64xx computer with either
of the following installed:
- Mac OS 7.6.1 Update
or
- "54xx/64xx Update 1.1" with System Software 7.5.3 or later.
Description:
This software corrects a problem which disables the L2 cache
feature on some Performa and Power Macintosh computers, as well
as some Mac OS-compatible computers based on Apple's logic boards,
with an L2 cache. This problem can also appear after installing Mac
OS 7.6.1 Update or after installing 54xx/64xx Update 1.1. With this
software, the L2 cache is enabled and improves performance on
affected computers.

This software consists of a Disk Copy 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 6.1
is available in the Utilities folder here.

From the Read Me included in this software:

Important Information about the 54xx/64xx L2 Cache Reset

This document provides information about the 54xx/64xx L2 Cache
Reset extension version 1.0.

Many Apple Performa and Power Macintosh computers now include an
L2 cache which improves your overall system performance. Apple is
aware of a problem which disables the L2 cache feature on some
Performa and Power Macintosh computers after installing Mac OS
7.6.1 or the 54xx/64xx Update extension version 1.1.  This
problem also occurs on several models of Mac OS-compatible
computers based on Apple's logic boards with an L2 cache.

The 54xx/64xx L2 Cache Reset extension corrects this problem and
improves performance on affected computers.

The following Apple products may be affected by this problem:

Power Macintosh 5400
Macintosh Performa 5400
Macintosh Performa 5410
Macintosh Performa 5420
Macintosh Performa 5430
Macintosh Performa 5440
Macintosh Performa 6360
Power Macintosh 6400
Macintosh Performa 6400
Macintosh Performa 6410
Macintosh Performa 6420

How to Install the 54xx/64xx L2 Cache Reset

To install the 54xx/64xx L2 Cache Reset 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 "54xx/64xx L2 Cache Reset" to the System
Folder.

3. A message appears asking if you want to put the "54xx/64xx L2
Cache Reset" into the Extensions folder. Click OK. If a second
message appears stating that "54xx/64xx L2 Cache Reset" already
exists and asks you if you would like to replace it, click OK.

4. Open the Special menu and choose Restart.


April 21, 1997

(c)1997  Apple Computer. Inc. Apple, the Apple logo, Macintosh,
Mac OS, Performa, and Power Macintosh are trademarks of Apple
Computer, Inc., registered in the U.S. and other countries. All
other product names are trademarks or registered trademarks of
their respective holders. Mention of non-Apple products is for
informational purposes and constitutes neither an endorsement nor
a recommendation. Apple assumes no responsibility with regard to
the selection, performance, or use of these products.