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Cyrix 6x86MX / MII marking & reference 
 
 
 
   
    
     
      | On CPU top | 
       
        
         
          Cyrix MII 
              MII-333GP 83MHz Bus 3x 2.9V FAN/HEATSINK REQUIRED | 
         
         
       | 
      Cyrix MII 
          MII-333GP 83MHz Bus 3x 2.9V FAN/HEATSINK REQUIRED | 
     
     
      | On CPU top | 
      
	    
        
        Cyrix MII 
             MII-433GP 100MHZ BUS 3.0X 2.2V     ES M2433D100-22E HEATSINK REQUIRED | 
     
     
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    Cyrix MII 
       MII-433GP 100MHZ BUS 3.0X 2.2V     ES M2433D100-22E HEATSINK REQUIRED | 
   
   
   
  
    
      | Cyrix 6x86MX / MII Processor Part Mark | 
     
   
    | color of CPU cap | 
    gold - IBM fabbed (0.3µm) black - NatSemi fabbed (0.25µm) | 
   
   
    | MII | 
    MII - 6x86MX | 
   
   
    | 433 | 
    433MHz Pentium Rating | 
   
   
    | 100MHZ BUS | 
    FSB | 
   
   
    | 3.0X | 
    Frequency Multiplier | 
   
  
    | 2.2V | 
    core voltage | 
   
  
    | ES | 
    Engineering sample | 
   
   
    | M2 | 
    M2 | 
   
  
    | 433 | 
    433MHz Pentium Rating | 
   
  
    | D | 
    D | 
   
  
    | 100 | 
    FSB | 
   
  
    | 22 | 
    voltage (?) | 
   
  
    | E | 
    E | 
   
   
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