Open Transport 1.3 to 1.3.1 Update Version: 1.0 was released on February 13, 1998. This update requires the US English Mac OS 8.1 Update and version 1.3 of Open Transport. It can be downloaded from the Apple Software Updates Web site at http://www.apple.com/swupdates .

Note: Open Transport 1.3 is installed with the Mac OS 8.1 Update. For more information refer to article 30345: " Mac OS 8.1: About Mac OS 8.1 Update ".

Use of this Open Transport 1.3 to 1.3.1 Update application is optional and is not required. Use of this application will only correct how these files are viewed by certain utility software. Use of this application will not correct any other issues. There is no functional difference between Open Transport version 1.3 and version 1.3.1. Open Transport files with the version number 1.3.1 have simply been resized to remove the extra bytes of unused data. International releases of Mac OS 8.1 do not contain the extra bytes.

For complete information, refer to the Open Transport Read Me articles:

• Article 30411: " Open Transport 1.3: Read Me - Part 1 "
• Article 30412: " Open Transport 1.3: Read Me - Part 2 "

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.

This article can help you locate the software update mentioned here:

• Article 14724: " Where To Find Apple Software Updates " - Lists online services for free Apple software updates.

• Article 75098: " Help: Downloading Software "