re interesting adb behaviour on c in article apr waikato ac nz ldo waikato ac nz lawrence d oliveiro waikato university writes in article apr waikato ac nz i said i know that plugging and unplugging adb devices with the power on is not supported and you can hit problems if you have multiple devices with clashing addresses and all that i ve had a couple of e mail responses from people who seem to believe that this sort of thing is not only unsupported it is downright dangerous i have heard of no such warnings from anybody at apple just to be sure i asked a couple of our technicians one of whom has been servicing macs for years there is no danger of damaging logic boards by plugging and unplugging adb devices with the power on noooooooo i ve been servicing macs for years too and i ve had to repair a number of motherboards that had been damaged this way it s rare but it does happen mind you this doesn t mean you shouldn t do it the parts that can blow the adb power fuse and rf filter aren t too expensive so if you have a someone around who can do component level repair it may be worth the risk especially if you re around seattle cause you might get to pay me to fix it on the other hand if your only repair option is the apple standard logic board swap major you should probably play it safe scsi yes adb no scsi yes adb yes floppies yes they can all cause trouble gordon davisson davisson stein u washington edu westwind computing university way ne suite seattle wa
