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Sonnet Processor unified installer installs files necessary to support various Sonnet processor upgrades in the listed applicable computers. This software is not necessary for Encore/ZIF G3 nor Crescendo/7200 upgrades.

This installer also installs (or updates) the Startup Disk X control panel, and moves the original Startup Disk Control Panel to the Control Panels (Disabled) folder. This control panel enables universal switching between Mac OS 9.x and Mac OS X System Folders on systems where Mac OS X has already been installed.

Note: If you have altered the extension name (ie: added spaces to the file name) of a

What's New

Version 3.1 adds support for Encore/MDX G4 Duet processor upgrades.


Applies to Following Computers:

Apple Maces

  • Performa¨ 5400, 5410, 5420, 5430, 5440, 6110, 6112, 6115, 6116, 6117, 6118, 6360, 6400, 6430, 6440
  • PowerBook¨ 1400 Series Power Mac 4400, 5400, 5500, 6100, 6400, 6500, 7100, 7220, 7300, 7500, 7600, 8100, 8115, 8500, 8515, 8600, 9500, 9515, 9600
  • Power Mac G3 All-in-one, Blue & White, Desktop, Minitower, Server
  • Power Mac G4
  • Twentieth Anniversary Mac
  • Workgroup Server 6150, 7350, 8150, 8550, 9150, 9650
Mac OS Clones
  • DayStar Genesis and Millennium Series
  • MacTell XB-Pro
  • Power Computing Power 100, 120, PowerBase, PowerCenter, PowerCenter Pro, PowerCurve, PowerTower, PowerTower Pro, PowerWave
  • Radius System 100, 81/110
  • StarMax 3000, 4000, 5000, 5500
  • UMAX C500, C600, C600X, J700, S900
Supports System Software:
  • System 7.1.2 - Mac OS 9.1 (9.2.2 for Encore)
Many systems upgraded with Sonnet Encore/ZIF or Crescendo/PCI processor upgrades support OS X, although this software is not for OS X; systems upgraded with Crescendo/PCI also require third-party software to run OS X.

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Current Version (3.x)


Downloads 926
Version Downloads 926
License Free
Date 09 Jun 2007
Platform OS Classic / PPC 32
Price Free
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