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                           IBM ECA
              Engineering Change Announcement

Parts removed from this machine and returned to IBM must be genuine,
                      unaltered IBM Parts

         IBM World Trade Corporation, CE Department Germany
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 EC NUMBER         :  ECC27232     DATE             : 90-01-11
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  FUJI         AVAILABILITY DATE: 89/12

 PURPOSE: THIS ECA IS RELEASED FOR JAPAN USE ONLY                               
 TO FIX SYSTEM HUNG UP CAUSED BY ERRATA OF KEYBOARD MPU DURING                  
 MOUSE OPERATION.                                                               
 THIS PROBLEM MAYBE OCCUR HIGH INTERMITTENTLY ON SMART/MICRO                    
 CADAM APPLICATION S/W.                                                         

 Type            Machines Affected                              
 Mod. With       and/or Feature/Device     B/M to be  Serv Syst 
 Stg. B/M        Description               Installed  Hour Hour 

 Plant 97                                                       

 S0A  B/M0005571 9700001 THRU 9701200      B/M57F0083 00.5 00.5 
 T0A/                                                           
  TRA B/M0005571 9710001 THRU 9716113      B/M57F0083 00.5 00.5 
 T0B/                                                           
  TRB B/M0005571 9730001 THRU 9734765      B/M57F0083 00.5 00.5 
 TOC/                                                           
  TRC B/M0005571 9750001 THRU 9751120      B/M57F0083 00.5 00.5 
 V0B  B/M0005571 9770001 THRU 9771188      B/M57F0083 00.5 00.5 
 V0C  B/M0005571 9780001 THRU 9780405      B/M57F0083 00.5 00.5 

                                                                                
 PHYSICAL CHECK:                                                                
 CHECK KEYBOARD MPU ON SYSTEM BOARD                                             
 IF I8742(P/N 72X8455) IS USED, APPLY THIS FBM.                                 
 FOR KEYBOARD MPU LOCATION,REFER TO FBM INSTALLATION INSTRUCTION.               
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL:                                                                        
 CHANGE KEYBOARD MPU ON SYSTEM BOARD FROM I8742(P/N 72X8455) TO                 
 I8042AH(P/N 90X9052).                                                          
                                                                                
 NOTES:                                                                         
 THE FBM IS AVAILABLE FOR ONE YEAR.                                             
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