Fujitsu M10-4 Service Manual page 239

Figure 9-45 Correct position of the CPU memory unit board
OK
Figure 9-46 Wrong position of the CPU memory unit board
NO
- For the SPARC M10-4/M10-4S with a FRAME-A CPU memory unit
Install the board so that the bent tip of the frame (C in the figure) can be
inserted into the space (B in the figure) between the end face on the far side of
the CPU memory unit board and the radiator (A in the figure).
a. Insert the board carefully into the frame, keeping it horizontal.
b. If the threaded hole of the board and the threaded hole of the frame (D in
the figure) do not match when you are inserting the board, place the board
Installing the
board horizontally
Installing the
board tilted
Chapter 9 Maintaining the CPU Memory Unit/Memory 225