59763
According to Microsoft , " The basic goal for these requirements is that the operating system , devices , and end users can not detect the presence of the following : ISA slots or devices ; legacy floppy disk controller ( FDC ) ; and PS/2 , serial , parallel , and game ports . "
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None