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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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  ECA number:          ECA051          Service code:      33
  EC number:           ECC40168        Parts source:      RAL
  Plant of control:    98              Mandatory:           N               
  Automatic shipment:  N               Date created:      O92/02/27
  Availability date:   03/01           Date last altered: A93/06/21
 
  Abstract:  4683 LOOP ADAPTER EC THAT CORRECTS LOAD PROBLEM
 
  USA=A, EMA=A, AFE=A
 
  PURPOSE:
    This EC replaces THE LOOP ADAPTER FOR THE PC-AT (5170)
    STORE CONTROLLER. EC expires 6/1/94
 
           IF
 
       1.  LOADING ITEM FILES INTO A TERMINAL RAM DISK AND IT TAKE
    __
           LONGER TO COMPLETE THIS TASK THAN NORMAL.
 
           AND
 
       2.  ERROR LOG 4 (THE CONTROLLER EVENT LOG), SOURCE 008 OR
    __
           009 EVENT 23 WITH UNIQUE DATA = 68.
 
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  Type,                  Machines Affected
  Model,   With          and/or Feature/Device     B/M to be    Service  System
  Stage    B/M           Description               Installed    Hours    Hours
 
  849      B/MNONE       INSTRUCTIONS              B/MNONE      00.3     00.3
  839      B/MNONE
  820      B/MNONE
  819      B/MNONE
 
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  PHYSICAL CHECK: CARD P/N INSTALLED AT EITHER LOOP POSITION.
 
  PREREQUISITES: NONE
 
  COMPANION: NONE
 
  CONCURRENT: NONE
 
  DETAIL:
  REPLACE THE STORE LOOP ADAPTER CARD IF THE P/N IS:
 
              6347800 Family 1 Card Part Number
 
              6487810 Family 1 Card Part Number
 
     IBM  Installation Instruction
 
              60X5878 Family 1 Card Part Number
 
              61X6600 Family 1 Card Part Number
 
              96X4822 Family 1 Card Part Number
              67X0885 Family 1 Card Part Number
 
              25F9638 Family 1 Card Part Number
 
              53F7447 Family 1 Card Part Number
 
  ORDER REPLACEMENT CARD P/N 6347798.(RAW CARD P/N SHOULD BE
  74F7501)
 
  NOTES: ******* THIS ECA EXPIRES 6/01/94 **************
 
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