Locations  —  Models  840,  SB3  system  unit  with  processor  tower  and  FC  9079  Base 
I/O  Tower 
For  use  by  authorized  service  providers. 
The  following  diagrams  show  FRU  layout  in  the  Models  840,  SB3  system  unit  with  processor  tower  and 
FC  9079  base  I/O  tower.  Use  it  with  the  tables  and  additional  diagrams  below.  If  you  need  address 
information,  refer  to  Addresses  —  Models  840,  SB3  system  unit  with  processor  tower  and  FC  9079  base 
I/O  tower. 
Figure  1a.  Model  840,  SB3  processor  tower  (single  line  cord) 
 
270  Hardware  (Remove  and  Replace;  Part  Locations  and  Listings)