---------------------------------------------------------------------
                           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
---------------------------------------------------------------------
 EC NUMBER         :  ECC13325     DATE             : 89-06-22
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  FUJI         AVAILABILITY DATE: 89/06

 PURPOSE:                                                                       
 THIS ECA IS RELEASED FOR JAPAN USE ONLY.                                       
 TO FIX 10483/10458 ERROR BY 120MB HARD DISK DRIVE FAILURE                      
 AT POWER ON TIME.                                                              
                                                                                

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

 Plant 97                                                       

 5551 B/MBASIC   MACHINE S/N:              B/M38F7980 01.0 01.0 
 T0B/              9790001 THRU 9791750                         
 TRB               9791812 THRU 9791814                         
                 AND MOREOVER HDD S/N:                          
                 CXXXXXXX                                       
                 20000001 THRU 20133642                         


 PHYSICAL CHECK:                                                                
 TO CHECK AFFECT HDD S/N,SEE A HDD S/N LABEL ON THE TOP COVER OF
 THE HARD DISK DRIVE (P/N 90X9286).                                             
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL: REPLACE A 120MB HDD (P/N 90X9286).                                     
                                                                                
 NOTES: THIS FBM IS AVAILABLE FOR ONE YEAR.                                     
---------------------------------------------------------------------