SLOT   ADDRESS        CARD TYPE       S/N            FUNCTION
   ----   -------       -----------      ---            --------
                                                     
    27       58         CAT2  Rev. B     040   ADDER  + PY SUM              
                                       -------  ECO                         
    26       56         CAT2  Rev. B     106   ADDER  - PY SUM              
                                       -------  ECO                         
    25       54         CAT2  Rev. B     037   ADDER  + PX SUM              
                                       -------  ECO                         
    24       52         CAT2  Rev. B     102   ADDER  - PX SUM              
                                       -------  ECO                         
    23       46         CAT2  Rev. B     103   ADDER    HD SUM ETA  17 TO  20 
                                       -------  ECO                         
    22       42         CAT2  Rev. B     133   ADDER    EM SUM ETA  17 TO  20 
                                       -------  ECO                         
    21                  open                            
                                                                            
    20                  open                            
                                                        ----------------------- 
    19       28         CAT2  Rev. B     146            TOT Et RS#3    ETA      
                                       -------                                  
    18       26         CAT2  Rev. B     135            TOT Et RS#2    17       
                                       -------                                  
    17       24         CAT2  Rev. B     256            TOT Et RS#1    TO       
                                       -------                                  
    16       22         CAT2  Rev. B     139            TOT Et RS#0    20       
                                       -------          ----------------------- 
    15        8         CAT2  Rev. B     204            EM  Et RS#3    ETA      
                                       -------                                  
    14        6         CAT2  Rev. B     174            EM  Et RS#2    17       
                                       -------                                  
    13        4         CAT2  Rev. B     140            EM  Et RS#1    TO       
                                       -------                                  
    12        2         CAT2  Rev. B     160            EM  Et RS#0    20       
                                       -------          ----------------------- 
    11                  open                                                   
         
    10                  open
         
     9                  open
         
     8                  open
         
     7                  open
         
     6                  open
         
     5                  open
         
     4                  open
         
     3                  open
         
     2                  open
         
     1      ---         CTMBD Rev. A      01            MBA =    249         
                                       _______