
Extensions
http://www.AmbrosiaSW.com/DEF/PP/ext.html Friday, September 5, 1997
Text Preview: when using ClarisWorks 4.0, and other compatible applications, shows previews of TEXT files in the preview window of
the "open" dialog box.
Thread Manager (v2.1): an addition to the Macintosh Toolbox that enables "concurrent programming" for real multitasking within an
application. Supports cooperative and preemptive threads of execution at the application level, but not at the system level. This is sort of the
Mac's version of "multi-tasking" (although true multitasking occurs across applications and includes System operations). Incorporated into
the system starting with 7.5. Version 2.0.1 was the last "official" Apple release, but some applications, such as TurboGopher 2.0.3, seem
to install version 2.1. Regardless, if you are running System 7.5 or later you don't need it.
TokenTalk Phase 2 (v2.5.7): driver used by the Apple Token Ring card and the Network/AppleTalk control panels.
TokenTalk Prep (v2.5.2): provides driver support for TokenTalk Phase II
Trackpad Climate Control (v1.1): reduces unexpected pointer movements caused by humidity or moisture on the trackpad. Only works on
the PowerBook 190, 1400, and Duo 2300. You should not use this extension if you don't have pointer movement problems, as it could
actually make the pointer less responsive.
TrueType: needed by System 6.0.7 and all subsequent versions of System 6 to print TrueType fonts, as well as to display them on screen.
Video Out Default (PAL) (v11.2): used by the Apple Video Player. On the standard U.S. System, the default video-out for the Apple Video
Player is NTSC. Outside of the U.S., the standard video format is PAL; this extension changes the Apple Video Player default to PAL.
Video Startup (v1.4.2) [22/0]: provides support for the Apple Video Player; needed to use the AVP. NOTE: If you are going to install
System 7.5 Update 2.0, first check the version number of both Video Startup and the Apple Video Player. During the installation, you may
get a message that says something like "a newer version is already installed." However, chances are it really isn't, and you do need to
install. If you did already have 1.4 installed, leave it. If you have a version prior to 1.4, ignore the installer's warning and install the "older"
version. This is a bug in the 7.5 Update 2.0 installer. You should end up with v1.4. If not, you should go back and do a custom install of
only the Apple Video Player software. There is a version 1.4.2 which is available from the CoolTalk for MacOS package.
WorldScript Power Adapter (v7.5.3): see entry in the "WorldScript" section of the "Groups" chapter.
~AudioVision: part of the AudioVision 14" monitor software package. Only needed on pre-7.5 systems.
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