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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         :  EC341221E    DATE             : 89-01-19
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  EMO          AVAILABILITY DATE: 88/03

 ABSTRACT:  4 MB MEMORY CARD
                                                                                
 PURPOSE:                                                                       
 THIS ECA IS RELEASED FOR WORLD TRADE USE ONLY                                  
 TO FIX HUNG CAUSED BY MEMORY PARITY ERROR WHICH OCCURRS                        
 WHEN 5551 MODELS M/P IS OPERATING WITH OS/2.                                   
                                                                                

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

 Plant 99                                                       

 5551 B/M5962858 SEE PHYSICAL CHECK        B/M65X1219 00.3 00.3 
 M/P                                                            

                                                                                
 PHYSICAL CHECK:                                                                
 CHECK EC NO. ON 4 MB MEMORY CARD P/N65X2413.                                   
 IF EC NO. IS PRIOR TO 341224-D, REPLACE IT WITH EC NO.341224-E                 
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL:                                                                        
 INSTALL FBM 65X1219.                                                           
                                                                                
 NOTES: THE FBM IS AVAILABLE FOR ONE YEAR.                                      
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