dc Amperes Available — dc current available for system expansion @ + 5 V and @ + 12 V for Q-bus systems and 245 MB SCSI 3,25" @ + 5 V, @ + 15 V, and - 15 V for UNIBUS systems. ac Amperes Available — ac current available for system expansion @ 120 V within a specific system cabinet for peripheral expansion. dc Amperes Drawn — dc current drawn from the system 245 MB SCSI 3,25" @ + 5 V and @ + 12 V for Q-bus systems and @ + 5 V, @ + 15 V, and @ - 15 V for UNIBUS options. ac Amperes Drawn — ac current drawn by the option @ 120 V or @ 240 V. System Bus Loads — The number of ac and dc loads remaining an the Q-bus or UNIBUS. System Bus Loads Drawn — The number of bus loads the option draws from the Q-bus or UNIBUS and 245 MB SCSI 3,25". K = 1,024 M = 1,024 2(1,048,576) b/in = bits per inch b/s = bits per second in/s = inches per second (formerly ips) cm/s = centimeters per second 1/min = lines per minute 1/in = lines per inch 1/cm = lines per centimeter