Its system clock speed is approximately 75 kHz ( derived from a phases generator chip ) , and it weighs approximately 400 grammes .
The MK - 52 has an expansion port to which various ROM ( Read - only memory ) modules could be attached .
MK - 52 's system clock speed is approximately 75 kHz ( derived from a phases generator chip ) , and it weighs approximately 400 grammes .
The MK - 52 has an expansion port to which various ROM ( Read - only memory ) modules could be attached .