Slow SCSI Extension is an INIT for PowerBook 5300 series computers that addresses a potential conflict with slow SCSI devices such as 1x CD-ROM drives (like the Apple CD150), Zip drives, and PowerBooks in SCSI disk mode. Not all PowerBooks will...

This replaces MODE32 and enables 32-bit memory features in System 7.1 on the Macintosh II, IIx, IIcx, and SE/30.

AutoFlush is a system extension which will help to prevent those unwanted corrupted resource files.  When your computer system crashes, is reset by the programmer's switch, or is turned off without shutting down, it is possible for one or...

Black Box is an INIT that you place in your System Folder which adds several system enhancements. An enhanced analog or digital clock, task strip, a stars screen saver, screen capture and printing any portion of the screen, Finder effects and...

Speeds up disk-related activities on the Macintosh Centris 660AV and the Macintosh Quadra 660AV and 840AV.

G3Strip is a Control Strip Module to control the PowerPC750's back-side cache and display a range of CPU information. kykz's Software. (1999). READ ME. Electronic Document.

SCSI Accelerator is a patch to the Mac's SCSI-dispatch code: the author reports that it substantially increases hard-disk throughput (especially if the disk is subsequently reformatted with a lower Interleaving ratio). Unknown Author....

Trackpad Climate Control is a system extension that will reduce or eliminate unexpected movements of the pointer caused by moisture on the trackpad or humidity.  The extension is designed for the  Macintosh PowerBook 190,  Macintosh...

This extension provides a performance improvement on Quadra 840 and 660 AVs for any programs which use AddResource/ChangedResource a lot. (eg development environments especially). Gough, Matt; Stroud, Brian. (1993). AV Speedup v1.0. Electronic...

IMPORTANT INFORMATION FOR MACINTOSH QUADRA 950 USERS This file duplicates the printed information you may have received with the "Macintosh Quadra Extra" disk. If you received printed instructions, follow them; you do not need this...

Extensions Manager allows you turn "off" or "on" the code that executes at startup in certain "extension documents" such as Control Panels, Chooser devices and INITs (known before as startup documents). With System...

The Apple Multimedia Tuner system extension includes a set of software enhancements that improve the performance and reliability of some software applications and multimedia titles that utilize Apple's QuickTime and Sound Manager software on...