...I always wondered how much power these machines drew, whether on stand-by, powered-up idle, booting, SIO active, etc. Moreover, I also wondered how much my IndusGT/Ramcharger drives ever consumed, also relative to their host computer...   Well, here's a first look at how much power these computers draw, along a multitude of different stages / tasks... Results are quite interesting:     Part I: ​HW Configuration [UPDATE: Atari 1050 now included): ​Atari 800 + Incognito//SIDE (Sandisk