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- Mac System 7.5.3: About the Extensions folder Read Me (6/96)
-
- Article Created: 20 June 1996
- Article Reviewed/Updated: 28 June 1996
-
- TOPIC -----------------------------------------------------------
-
- This article is the About the Extensions Folder ReadMe for Macintosh System
- 7.5.3.
-
- DISCUSSION ------------------------------------------------------
-
- Macintosh System 7.5.3, What's Inside the Extensions Folder?
-
- About this document
- -------------------
- If you're curious about the contents of the Extensions folder, this document
- provides a brief description of each extension. You can use these descriptions
- to help determine which extensions you may need and which ones you may not
- need.
-
- What is an extension?
- ---------------------
- An extension is a small file that changes how your computer operates. Unlike a
- control panel, you typically do not have any direct interaction with an
- extension. An extension makes the appropriate changes when you start your
- computer and remains active until you shut down your computer.
-
- Depending on the type of computer you have, the contents of your Extensions
- folder may vary. You might have extensions that were added by third-party
- applications, and you don't need to have all the extensions described below.
- You can use the Extensions Manager control panel to turn off any extension you
- don't need.
-
- 9500 Guide Additions: Adds step-by-step instructions for using features
- specific to the Power Macintosh 9500 to the onscreen help provided in Macintosh
- Guide. You can access Macintosh Guide from the Guide (question mark) menu when
- the Finder is active.
-
- A/ROSE: Allows communication between your computer's main logic board and NuBus
- cards that run the Apple Real-Time Operating System. Examples of such NuBus
- cards include the Apple Token Ring 4.16 NB card and the Apple Serial NB card.
-
- About Apple Guide: Provides information about how to use Apple's onscreen help
- system. You can access About Apple Guide from the Guide (question mark) menu
- when the Finder is active.
-
- AppleCD Audio Player Guide: Provides step-by-step instructions for using the
- AppleCD Audio Player. You can access the AppleCD Audio Player Guide from the
- Guide (question mark) menu, after you install and open AppleCD Audio Player.
-
- Apple CD-ROM: Enables your computer to use an Apple CD-ROM drive.
-
- Apple Color Printer: Enables your computer to print documents on an Apple Color
- Printer.
-
- Apple Color SW Pro CMM: Contains color-matching information used by ColorSync
- 2.0 to maintain consistent color between documents.
-
- Apple Guide: Adds Apple Guide functionality to your computer. Apple Guide is
- Apple's integrated onscreen help system.
-
- Apple Photo Access: Part of the CD-ROM software for viewing Kodak PhotoCDs.
-
- AppleScriptLib: Provides native support for AppleScript on PowerPC-based
- computers.
-
- AppleScript: Enables automation of repetitive tasks in applications that
- support it.
-
- AppleShare: Gives you access to shared disks on the network.
-
- AppleTalk ImageWriter: Enables your computer to print documents on a networked
- ImageWriter II.
-
- AppleVision Guide Additions: Adds step-by-step instructions to Macintosh Guide
- about how to use AppleVision displays with your computer. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- Assistant Toolbox: This is the base extension for AutoRemounter. AutoRemounter
- works on Macintosh PowerBook computers and allows file synchronization, battery
- management, and easy mobile computing. It also provides support for a
- persistent RAM disk and deferred printing. This extension may conflict with the
- LaserWriter Select 310 printer software to block printing. A solution is to
- turn off background printing in the Chooser.
-
- Audio CD Access: Lets you play audio CDs on your internal or external CD-ROM
- drive. Requires the AppleCD Audio Player or equivalent application to control
- the audio CD.
-
- AV Guide Additions: Adds step-by-step instructions to Macintosh Guide about how
- to use AV monitors with your computer. You can access Macintosh Guide from the
- Guide (question mark) menu when the Finder is active.
-
- AV Setup: Used to control AppleVision displays.
-
- Caps Lock: Provides a visual indication of the state of the Caps Lock key on a
- Macintosh PowerBook. When Caps Lock is turned on, an "up" arrow appears in the
- menu bar next to the Guide (question mark) menu. (Not needed on Macintosh
- PowerBook 500 series computers.)
-
- Clipping Extension: Lets you use the drag-and-drop feature to create clipping
- files on your desktop.
-
- Color Picker: Presents a standard interface for color selection. Applications
- can use this tool to let you choose colors.
-
- Color SW 2000 Series CMM: Color-matching information used by ColorSync 2.0 to
- maintain consistent color between documents printed on a Color StyleWriter 2000
- series printer and other color devices.
-
- Color SW 2400: Enables your computer to print documents on a Color StyleWriter
- 2200 or Color StyleWriter 2400.
-
- Color SW Pro: Enables your computer to print documents on a Color StyleWriter
- Pro.
-
- ColorSync: Matches colors on your display with the closest matching colors on
- your printers, scanners, and other devices.
-
- EM Extension: Works with the Extensions Manager control panel, which lets you
- specify which extensions are turned on when you start your computer.
-
- Energy Saver Guide Additions: Adds step-by-step instructions for using Energy
- Saver to the onscreen help provided in Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- Ethernet (Built-In): Used by Open Transport to allow access to the built-in
- Ethernet port on your computer.
-
- EtherTalk Phase 2: Lets you connect your computer to an Ethernet network.
-
- File Sharing Extension: Enables your computer to share files and folders with
- other computers on your network.
-
- Find File Extension: Lets you search for files and view the results in a single
- window. If you turn off this extension and choose Find from the File menu,
- you'll get the System 7.1 Find dialog box instead of the Find File window.
-
- Finder Help: Provides Balloon Help support for the Finder.
-
- Finder Scripting Extension: Allows you to use AppleScript to automate tasks in
- the Finder.
-
- Foreign File Access: Enables your computer to work with CD-ROM discs whose
- contents don't use the standard Mac OS file system (for example, ISO 9660 or
- High Sierra formats).
-
- Graphics Accelerator: Provides video acceleration for the PCI video card.
-
- High Sierra File Access: Part of the CD-ROM software that lets you view CDs
- with High Sierra file systems.
-
- IIci/IIsi Monitors: Describes the capabilities of the built-in video card for
- the Macintosh IIci and IIsi. If you remove this file, your computer can still
- use the video card and you can still select the number of colors displayed on
- your monitor, but monitor options (such as gamma settings) may not be
- available.
-
- ImageWriter: Enables your computer to print documents on an ImageWriter or
- ImageWriter II connected to a serial port.
-
- ImageWriter LQ: Enables your computer to print documents on an ImageWriter LQ
- connected to a serial port.
-
- ISO 9660 File Access: Part of the CD-ROM software that lets you view CDs with
- ISO 9660 file systems.
-
- LaserWriter: (version 7.2) Enables your computer to print documents on a
- PostScript printer connected to an AppleTalk network.
-
- LaserWriter 300: Enables your computer to print documents on a Personal
- LaserWriter 300, LaserWriter Select 300, or a Personal LaserWriter LS.
-
- LaserWriter 8: (version 8.x) A PostScript level II print driver that enables
- your computer to print documents on a PostScript printer connected to an
- AppleTalk network.
-
- LaserWriter IISC: Enables your computer to print documents on a LaserWriter
- IISC connected to a SCSI port. Replaced by Personal LaserWriter SC.
-
- LW Select 310: Enables your computer to print documents on a LaserWriter Select
- 310.
-
- MacinTalk Pro: Lets your computer read text documents in human-like voices.
- Older computers (with 68030 or 020 processors) should use MacinTalk 3 instead.
-
- MacinTalk 3: Lets your computer read text documents in human-like voices. Used
- by MacinTalk version 3. Computers with 68040 or PowerPC processors should use
- MacinTalk Pro instead.
-
- Macintosh Guide: Contains step-by-step instructions for working in the Finder.
- You access Macintosh Guide from the Guide (question mark) menu when the Finder
- is active.
-
- MacTCP Token Ring Extension: Enables you to connect to a Token Ring network
- using TCP/IP protocol.
-
- Mailbox Extension: Supports your PowerTalk mailbox. Enables the Mailbox icon to
- appear on your desktop.
-
- Monitors & Sound Guide Additions: Adds step-by-step instructions for using the
- Monitors & Sound control panel to Macintosh Guide. You access Macintosh Guide
- from the Guide (question mark) menu when the Finder is active.
-
- My Speech Macros: Supports the Speech Macro Editor.
-
- Network Extension: Lets you set Personal File Sharing from the Finder.
-
- Network Guide Additions: Adds step-by-step instructions for using your
- computer's network to Macintosh Guide. You access Macintosh Guide from the
- Guide (question mark) menu when the Finder is active.
-
- ObjectSupportLib: A library developers use to support AppleScript on
- PowerPC-based computers.
-
- Open Transport Guide Additions: Adds step-by-step instructions for using Open
- Transport to Macintosh Guide. You access Macintosh Guide from the Guide
- (question mark) menu when the Finder is active.
-
- Open Tpt AppleTalk Library: Used by Open Transport for the AppleTalk
- communication protocol.
-
- Open Tpt Internet Library: Used by Open Transport for the TCP/IP communication
- protocol.
-
- Open Transport Library: Used by Open Transport.
-
- OpenTptAppleTalkLib: Used by Open Transport for AppleTalk communication
- protocol.
-
- OpenTptInternetLib: Used by Open Transport. for the TCP/IP communication
- protocol.
-
- OpenTransportLib: Used by Open Transport.
-
- PB 500 Upgrade Guide Additions: Adds step-by-step instructions for using
- features specific to the PowerBook 500 to Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- PB 190 Upgrade Guide Additions: Adds step-by-step instructions for using
- features specific to the PowerBook 190 to Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- PB 2300 Upgrade Guide Additions: Adds step-by-step instructions for using
- features specific to the PowerBook 2300 to Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- PB 5300 Upgrade Guide Additions: Adds step-by-step instructions for using
- features specific to the PowerBook 5300 to Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- Personal LaserWriter SC: Enables your computer to print documents on a Personal
- LaserWriter SC or a LaserWriter IISC.
-
- Portable StyleWriter: Enables your computer to print documents on a Portable
- StyleWriter.
-
- PowerBook Guide Additions: Adds PowerBook-specific topics to Macintosh Guide.
- You can access Macintosh Guide from the Guide (question mark) menu when the
- Finder is active.
-
- PowerBook Monitors Extension: Describes the PowerBook built-in display. If you
- remove this file, your computer can still use the PowerBook video card and you
- can still select the number of colors your screen can display, but certain
- options (such as gamma settings) may not be available.
-
- PowerPC Monitors Extension: Supports the AudioVision 14 monitor.
-
- PowerTalk Extension: Supports PowerTalk services. Includes information used by
- the PowerTalk key chain.
-
- PowerTalk Guide: Provides step-by-step instructions for using PowerTalk. You
- can access the PowerTalk Guide from the Guide (question mark) menu, after you
- install PowerTalk.
-
- PowerTalk Manager: Manages your PowerTalk mailbox and services.
-
- Printer Descriptions: Contains descriptions for all printers that use the
- LaserWriter 8 printer software.
-
- Printer Share: Provides the ability to share non-network printers (for example,
- the StyleWriter II) across a network.
-
- PrintMonitor: Controls the printing process when background printing is
- activated.
-
- Quadra AV Monitors Extension: Describes the capabilities of the built-in video
- card for the Macintosh Quadra and Centris AV computers. If you remove this
- file, your computer can still use the video card and you can still select the
- number of colors displayed on your monitor, but monitor options (such as gamma
- settings) may not be available.
-
- Quadra Monitors Extension: Describes the capabilities of the built-in video
- card for the Macintosh Quadra and Macintosh Centris computers. If you remove
- this file, your computer can still use the video card and you can still select
- the number of colors displayed on your monitor, but monitor options (such as
- gamma settings) may not be available.
-
- QuickTime: Provides built-in multimedia support for applications.
-
- QuickTime PowerPlug: Provides native support of QuickTime for PowerPC-based
- computers when used in combination with QuickTime 2.0. This extension must be
- used in addition to QuickTime 2.0.
-
- QuickTime Musical Instruments: Supports 30 Roland Standard MIDI sound samples
- that can be accessed by QuickTime applications with no additional MIDI
- equipment.
-
- Scripting Additions: Extends the AppleScript language with special features,
- such as finding the date or time of day. With scripting additions installed,
- AppleScript acts as if these features are part of the language. Scripting
- additions are required only when a script uses them.
-
- Serial (Built-In): Used by Open Transport to allow access to the built-in
- serial port on your computer.
-
- Shared Library Manager: Provides native support for Open Transport.
-
- Shortcuts: Explains common keyboard equivalents and other shortcuts to use in
- the Finder. You can access Shortcuts in the Guide (question mark) menu when the
- Finder is active.
-
- SimpleText Guide: Provides step-by-step instructions for using SimpleText. You
- can access the SimpleText Guide from the Guide (question mark) menu, after you
- open SimpleText.
-
- Speech Guide Additions: Adds step-by-step instructions for using speech
- recognition to the onscreen help provided in Macintosh Guide. You can access
- Macintosh Guide from the Guide (question mark) menu when the Finder is active.
-
- Speech Recognition: Provides support for speech recognition.
-
- SR Monitor: Used to monitor and interpret speech.
-
- Startup Tuner: Ensures correctly starting up from the disk selected in the
- Startup Disk control panel.
-
- StyleWriter II: Enables your computer to print documents on a StyleWriter II.
- Replaced by StyleWriter 1200.
-
- StyleWriter 1200: Enables your computer to print documents on a StyleWriter,
- StyleWriter II, or StyleWriter 1200.
-
- SystemAV: Used for audio-video input.
-
- System Speech Rules: Supports voices and speech dialects.
-
- TokenTalk Phase 2: Used by the Apple Token Ring card.
-
- TokenTalk Prep: Supports TokenTalk Phase II.
-
- Tutorial Items: Provides instructions for learning basic skills on your
- computer. You can access the tutorial from the Guide (question mark) menu when
- the Finder is active.
-
- Video Guide Additions: Adds step-by-step instructions for using video to the
- onscreen help provided in Macintosh Guide. You can access Macintosh Guide from
- the Guide (question mark) menu when the Finder is active.
-
- Video Startup: Used by the Apple Video Player.
-
- WorldScript Power Adapter: Supports language kit software on PowerPC-based
- computers.
-
-
- Article Change History:
- 28 Jun 1996 - Change status at product release.
-
-
-
- Copyright 1996, Apple Computer, Inc.
-
-