System Software 6.0.5: ADB Problems and Workarounds

This article contains information about compatibility problems between System Software 6.0.5 and some Apple Desktop Bus (AAD)B devices.
Apple made some significant changes to the code handling ADB devices in System Software 6.0.5 (see Macintosh Technical Note 206, "Space Aliens Ate My Mouse"). Because of these changes, certain ADB peripherals don't operate properly.

So far, we've seen the following:

The following Tech Info Library article can help you find the Tech Note mentioned here:

Article 24493: "Apple Tech Notes: What They Are, Where To Find Them"
Published Date: Feb 18, 2012