52529
All units ran much faster than the original TRS-80 , at 4 MHz , ( with a software selectable throttle to the original speed for compatibility purposes ) and the display supported upper and lower case , hardware snow suppression ( video ram bus arbitration logic ) , and an improved character font set .
 TRS-80
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 TRS-80