Hi!
You're not alone. I had the same problem with my old PowerBook G3/233 with 160 MB of RAM, OS 9.2.2. I tried everything - zapped PRAM, rebuilt hard drive, used Norton Utiltie…
After the TiBook's awakened from sleep mode, the cable service becomes disconnected. I have mine hooked up via ethernet to a Linksys router in case that makes a difference. The on…