3.  To  write  ECA  information,  select  1.  Write  ECA/rework 
number  from  EEPROM,  and  follow  the  instruction. 
4.  To  write  box  build  date,  select  4.  Write  box  build  date 
from  EEPROM,  and  follow  the  instruction  on  the 
screen. 
If  the  system  board  is  being  replaced,  try  to  read  the  ECA 
information  from  the  old  system  board  and  transfer  the 
information  to  the  new  system.  If  the  system  board  is 
inoperable,  this  will  not  be  possible. 
FRU  replacement  notices  
74  MT  2369/2370/2371/2372/2382/2386