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VIA Cyrix III marking & reference 
 
 
  
    
      
        
          | On CPU top | 
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          VIA Cyrix III Processor 
		   
		  133MHz bus 3.0x 2.2V 
		  HEATSINK/FAN REQUIRED | 
         
       
       
      
        
          | VIA Cyrix III Processor Part Mark | 
         
        
          | Cyrix III - CPU type | 
          Cyrix III - Cyrix M3 core | 
         
        
          | 133 - FSB | 
          100MHz 
		  133MHz | 
         
        
          | x5.0 - FSB multiplier | 
          x2.5 
		  x3.0 
		  x3.5 | 
         
        
          | 2.2V - Vcc | 
          1.9-2.5V | 
         
        
          | HEATSINK... | 
          Heatsink / Fan required | 
         
       
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