Power Mac 8100 Quadra 800 840AV – Reset Interrupt Switch $20.00 Programmer’s Switch Power Mac 8100 Quadra 800 840AV - Reset Interrupt Switch quantity Add to cart Add to Quote Continue Shopping Category: Power Mac 8100-8500 Quadra 800 Description Apple 922-0843, 815-1239. Reset/Interrupt or Programmer’s Switch for the Power Mac 8100, WS 8150, Quadra 800 & 840AV