TITLE 54xx/64xx L2 Cache Reset: Read Me Article ID: Created: Modified: 21210 4/24/97 2/8/01 TOPIC This article contains the 54xx/64xx L2 Cache Reset Read Me document and a link to the 54xx/64xx L2 Cache Reset software. DISCUSSION <TABLE BORDER=1 WIDTH=640> <TR BGCOLOR="#CCFFFF"> <TD WIDTH=140 ALIGN=CENTER> <B> Language </B> </TD> <TD WIDTH=100 ALIGN=CENTER> <B> Release <BR> Date </B> </TD> <TD WIDTH=80 ALIGN=CENTER> <B> Software <BR> Update </B> </TD> <TD WIDTH=80 ALIGN=CENTER> <B> Read Me< /B> </TD> <TD WIDTH=240 ALIGN=CENTER> <B> OS Required </B> </TD> </TR> <TR> <TD WIDTH=140> <P> North American English </TD> <TD WIDTH=100 ALIGN=CENTER> 1997-04-23			North American Mac OS
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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

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.

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