1120  CPU 
For  access,  remove  these  FRUs  in  order: 
v  “1010  Battery  pack”  on  page  68 
v  “1030  Hard  disk  drive”  on  page  70 
v  “1050  Keyboard”  on  page  73 
v  “1090  Keyboard  bezel”  on  page  82 
v  “1110  Fan  assembly”  on  page  90 
Rotate  the  head  of  the  screw  in  the  direction  of  arrow  1 
to  release  the  lock;  then  remove  the  CPU  2. 
2
1
b
a
 
 
When  installing:  Place  the  CPU  on  the  CPU  socket  a, 
and  then  rotate  the  head  of  the  screw  in 
the  direction  of  arrow  b  to  secure  the 
CPU.
 
Removing  and  replacing  a  FRU 
ThinkPad  R50/R50p  and  R51  Series  91