This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
The Version 3.0 Kensington TurboMouse ADB works fine on a later model IIgs (such as a mid-late 1987 true ROM-01 IIgs). It will not work correctly on a ROM-00 IIgs even after the standard ROM upgrade to ROM-01. The Version 4.x TM will not work on any IIgs. Dip switches: Right handed use: (L but click, R but click lock) SW1 Up Left handed use: (R but click, L but click lock) SW1 Down The other switches are for what they call "chording" and are listed as:SW2 SW3 SW6 Command N Dn Dn Up Command O Dn Up Dn Command W Dn Up Up Command S Up Dn Dn Command P Up Dn Up Command Q Up Up Dn Command Z Up Up UpBy: Mark Wade
 
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