From: ohland@charter.net   
      
   CLK_FAC Clock Factor. These bits are used to select whether the clock   
   selected by EBCS is used directly or if it is divided down to give a   
   slower clock for running the Expansion Bus access cycles. The possible   
   factors are given in Table 39.   
      
   CLK_FAC Clock Factor   
   000 1   
   001 1/2 (divide by 2)   
   010 Reserved   
   011 1/4 (divide by 4)   
   1XX Reserved   
      
   > Nothing earth-shattering   
      
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