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040 VM Update
Fixes a problem (reported only on the Macintosh LC 575 and Macintosh LC 630) where 040 based systems can hang when running with the 040 processor caches turned on, VM turned on and the system software is copying data from one part of system memory to another using the 040 move16 instruction. The fix involves using a different data blockmove routine that does not use move16 instructions.
Driver for the Korg 1212 I/O Soundcard. This extension allows software to talk directly to the card and also provides compatibility with the Apple Sound Manager.
Latest Version: 1.1
URL: http://www.korg.com/
2400/3400 Graphics Update
Enhances the graphics driver on the PowerBook 2400 and 3400 series, running Mac OS 8.0 or earlier. These enhancements require version 1.4.2 of the "Monitors Resolution" control strip module. You should install the extension and the control strip module if you connect an external monitor or projection system to your PowerBook 2400 or 3400 and it remains black. This update will allow you to force a particular video timing out the VGA connector on the back of the machine. Note: Before attempting to drive a resolution, make sure that your monitor or projection system supports that resolution. Driving an incorrect resolution might result in permanent damage to your monitor or projection system. Any PowerBook 2400 or 3400 series running MacOS 7.6, Mac OS 7.6.1 or Mac OS 8 which needs the new capabilites should install this update.
Part of QuickDraw GX, 3-Hole Punch is a paper type, not an extension. It allows you to have "3-Hole Punch paper" type in the Page Size selection dialog of Page Setup.
Latest Version: n/a
32-Bit QuickDraw
Allows Macintosh II and Macintosh SE/30 tcomputers to display or work with images that have more than 256 colors. If you have installed a 15-bit or 32-bit video card, you can display the full range of visible color. Even if your model of the Macintosh II or Macintosh SE/30 computer has an 8-Bit video card, you will be able to manipulate and view data with more than 256 colors. In addition, 32-Bit QuickDraw provides better support for processing gray-scale images.
Latest Version: 1.4
32-Bit System Enabler
Adds 32-bit addressing and a larger virtual memory capability to the Macintosh II, Macintosh IIx, Macintosh IIcx, and Macintosh SE/30 computers. 32-bit addressing enables Macintosh computers to use more than 8 MB of RAM. Virtual memory allows you to use hard disk space to supplement your physical RAM. For more information about these features see the documentation that came with your computer or with your system software update kit. You should install the 32-Bit System Enabler if you have a Macintosh II, IIx, IIcx, or SE/30 computer with System 7.1 and 4 MB of RAM or more.
This is a shared library for a 3D accelerator card. Provides support for RAVE standard.
Latest Version: 1.0.0d14
3Dfx_2D3D_Swap
Allows you to toggle 3Dfx support on and off by pressing Control-9. Useful when your application is conflict with your 3D card, you can toggle 3Dfx support without reboot.
Latest Version: 1.0
Email: info@3Dfx.com
URL: http://www.3Dfx.com
3DPC INIT
Part of 3DPC, this extension lets you open the 3DPC Animation Player to display your Play Sequence when you leave your Macintosh idle for a period of time.
Latest Version: 1.0.1
54xx/64xx L2 Cache Reset
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. This extension corrects the problem and improves performance on affected computers.
Latest Version: 1.0
54xx/64xx Update
Ensures that Avid Cinema runs smoothly on Performa 5400, 6400, and 6360 computers, but causes one problem: it disables those computer's Level 2 cache and causes them to run much slower. Unnecessary in System 7.6 or above.
Latest Version: 1.1
5500/6500 ATA Update
Improves performance when Virtual Memory is turned on in the Memory control panel. Power Macintosh 5500/225, 6500/225 and 6500/250 users who have upgraded from System Software 7.5.5 to Mac OS 7.6.1 via the Mac OS Up-To-Date program should check to see if they have the extension in their System Folder. Power Macintosh 5500/225, 6500/225 and 6500/250 users who do not have these extensions, should install the 5500/6500 Extras Update. Current Power Macintosh 6500/225, 6500/250, 6500/275 and 6500/300 pre-installed with Mac OS 7.6.1, already include these 5500/6500 Updates. These users do not need to install this Update.
Latest Version: 1.0
5500/6500 L2 Cache Disable
Temporarily disables the L2 cache on your computer. The Power Macintosh 5500/225, 6500/225 and 6500/250 computers include an L2 cache module which improves your overall system performance. Apple is investigating an issue with some L2 cache modules on the Power Macintosh 5500/225, 6500/225 and 6500/250 computers where a user is unable to install system and application software on their hard drive without errors. The symptoms can appear as follows: 1.The installation is interrupted by a dialog box that reads, for example, "Unable to decompress file 'xxxx' because of a data mismatch error." After dismissing the dialog box, the user is either able to continue installing or the only option is to stop the installation depending on which type of installer is being used. 2. During software installation, system hangs (cursor arrow still moves), system freezes (cursor arrow does not move), or Type 10 errors can occur requiring a reboot. This extension will only load under System Software 7.5.5, System Enabler 1.0 on a Power Macintosh 5500 and 6500. Apple is investigating this issue and hopes to have a program in place with a permanent solution for this issue by the end of May, 1997. Until that time, Apple recommends that users use this extension to avoid this issue. Please check Apple's website at http://www.info.apple.com or contact the Apple Assistance Center at 1-800-SOS-APPL for the latest information about this issue.
Latest Version: 1.0
5500/6500 Video Input Update
Enhances system stability on Power Macintosh 5500, 6500, and Twentieth Anniversary Macintosh models when running video capture applications. Requires U.S. English Mac OS 8.1 or earlier and any Power Macintosh 5500, Power Macintosh 6500, or Twentieth Anniversary Macintosh
Latest Version: 1.0.7
5xxx/6xxx Floppy Fix
Corrects two problems (Slow Floppy Diskette mounting under Mac OS 7.6, 7.6.1 or 8.0 and Large File Copying to Diskette Failures under Mac OS 7.6, 7.6.1 or 8.0) on Power Macintosh/Performa 52xx/53xx/62xx/63xx (but not 6360) series computers.
Latest Version: 1.0
630 SCSI Update
Corrects a problem involving large block SCSI transfers (commonly used by backup programs when backing up data to SCSI DAT Tape drives) where the system may hang. Macintosh LC630, Quadra 630, Performa 630 series computers should install this extension
Latest Version: 1.0
7.0/7.1 Apple Guide Enabler
Allows your Mac to use the Apple Guide help system on pre-System 7.5 Macintosh computers.
Latest Version: 1.1
7.5.2 Printing Fix
For Power Mac 7200, 7500, 8500 and 9500 users with System 7.5.2 only! This extension fixes printing problems where your computer may freeze when you are printing using a network printer. It is not necessary with later systems.
Latest Version: 1.1
7.6.1 Streaming Audio Update
Poor streaming audio performance can occur from slow internet connections, slow servers, or when the computer is concurrently engaged in other work. On certain revisions of the PowerPC 5xx0, Performa 5xxx, PowerPC 6x00 and Performa 6xxx models, an additional cause of poor streaming audio performance was an interaction with the serial driver software, sound driver software, and serial hardware. This extension changes the behavior of the serial and sound driver software to better support the demanding, real time nature of streaming audio. At times when the sound driver is busy servicing the sound hardware, extra checks are made to ensure that the serial driver can properly service the serial hardware. For some computers this results in a significant improvement in streaming audio performance. The extension can be installed on Mac OS 7.6.1, 7.6, or 7.5.5. It will not load on earlier system releases. The improvement delivered in this extension will be included in future releases of Mac OS, and the extension will not load on releases after 7.6.1.
Latest Version: 1.0b2
7200 Graphics Acceleration
For Power Macintosh 7200 only. Helps accelerate screen redraw, video display and other graphics that require large amounts of computation and processing. Also helps to speed up QuickDraw graphics by using built-in graphics accelerator chip. It does nothing on other models and should not be present on them.
Latest Version: 1.0.1
7200 Graphics Driver
Gives smoother graphics in certain circumstances on the 7200 PowerMacs.
Latest Version: n/a
720K Floppy Disk Formatter
Part of System 7.1 Update 3.0, this extension allows you to format low-density floppy disks as 720K MFM disks.
Latest Version: n/a
7500/8500 Graphics Driver
Gives smoother graphics in certain circumstances on the 7200, 7500, or 8500 PowerMacs.
Latest Version: n/a
7500/Fireball Fix
Solves an occasional shutdown problem with Quantum Fireball drives on Power Macintosh 7500.
Latest Version: n/a
8ﾂｷ24 GC QuickTime Video
Enables graphics acceleration with the Macintosh Display Card 8ﾂｷ24 GC when playing QuickTime Video. Will not work on a Mac Quadra.
Latest Version: 1.5.5
950 Color Addition
Fixes a minor problem on Macintosh Quadra 950 computers, but does nothing on other computers. The problem addressed only manifests itself under certain conditions. When a color monitor is connected to the on-board video circuitry and the Monitors control panel is set to millions of colors, certain color manipulation commands may not work in some graphics application programs. The problem is not destructive. Your machine will not crash and data will not be corrupted. Required only by Quadra 950, System 7.0.1 users. This fix is incorporated in System 7.1 and is therefore not needed by System 7.1 users.
Helps accelerate screen redraw, video display and other graphics functions that require large amounts of computations and processing, by taking advantage of the IMS video card which comes with the PowerMac 9600. The 9600 Graphics Accelerator extension was included as part of a standard bundle of system software which was installed on Power Macintosh 7300, 7600 (Japan only), 8600, and 9600 systems at the factory. On systems that don't need this extension, a red X will be displayed across the extension's icon when the system starts up. The 9600 Graphics Accelerator extension will not be loaded, and there is no harm done.
Latest Version: 4.06 (From Mac OS 8.5)
Graphics Accelerator
Helps accelerate screen redraw, video display and other graphics that require large amounts of computation and processing by taking advantage of the IMS video card which comes with PowerMac .
Latest Version: 3.8.1
~Aaron
A shareware extension that transforms your Mac Graphic User Interface (GUI) to resemble the new Copland 3D (System 8) style. It requires a 68020 or better processor to run. An attractive 3D device.
