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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         :  ECA27705A    DATE             : 89-08-24
 MANDATORY         :  N                             : 90-11-08
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  EMO          AVAILABILITY DATE: 89/06

 PURPOSE: TO FIX THE FOLLOWING PROBLEM.                                         
 DISPLAY SCREEN IMAGE BECOMES REDDISH OR BLUISH COLOR,BECAUSE OF
 MISSING ANY ONE SIGNAL OF THE THREE PRIMARY COLORS (RED/BLUE/
 GREEN).
                                                                                

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

 Plant 99                                                       

 HO4  B/M0005555 S/N RANGE                 B/M65X1281 00.3 00.3 
                  99X0001 THRU 99X5335                          
                  99XA001 THRU 99XZ999                          
                  99Y0001 THRU 99YL696                          
                  99D0001 THRU 99D8820                          


 PHYSICAL CHECK: NONE                                                           
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL: REPLACE A DISPLAY UNIT.
                                                                                
 NOTES: THIS EC APPLICABLE UNTIL THE END OF APRIL IN 1990, AND
        AFFECTED S/N RANGE WAS EXPANDED ON 10/02/89.
 ------ REVISED
 APPLICABLE PERIODE OF THIS FBM WAS EXPANDED UNTIL THE END
 OF APRIL IN 1991.
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