Henry Courbis of ReactiveMicro.com has scanned many of the Apple Service Technical Procedures Manuals and provided them to Apple2Scans.net to be hosted.  You can download them here.  A big thanks to Henry for doing this.
Howto
Posted inElsewhere, Help, Howto
Alex Lee on IIGS System Extensions
Alex Lee (What Is the Apple IIGS) has published a definitive collection of Apple IIGS system extensions and is sharing his advice and opinions on many of them. System extensions can expand the usefulness of your IIGS, or they can slow down your machine — even to the point of making it less stable. Sometimes, […]
Posted inHowto
Apple II to Mac intelligent serial terminal file transfers
Use the Mac OS X Terminal and the rz and sz commands to make exchanging files between a Mac and an Apple II fast and easy.