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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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*** OBSOLETED ***

 EC NUMBER         :  ECA27685     DATE             : 89-01-19
 MANDATORY         :  N                               93-10-07
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  FUJI         AVAILABILITY DATE: 88/03

 ABSTRACT:  PERFORMANCE UP 5571 SOA WITH MICRO CADAM
                                                                                
 PURPOSE:                                                                       
 THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY                                  
 TO SOLVE SYSTEM PERFORMANCE DOWN PROBLEM ON 5571 SOA                           
 WITH MICRO CADAM.                                                              

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

 Plant 97                                                       

 5571 B/MBASIC   ALL                       B/M65X1167 01.0 01.0 

 PHYSICAL CHECK:                                                                
 CHECK P/N OF PROM ON HARD DISK ADAPTER P/N90X8063,72X8587,                     
 15F6586 OR 15F6593.                                                            
 IF P/N OF PROM IS OTHER THAN P/N94X5730,INSTALL FBM WHICH IS                   
 TO BE REPLACED NEW PROM P/N94X5730.                                            
                                                                                
 PREREQUISITES: NONE                                                            
 COMPANION: NONE                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL:                                                                        
 NOTES:  THE FBM IS AVAILABLE FOR ONE YEAR.                                     
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