NEC IMAGE P100E Service Manual page 121

3-16 Options
Figure Section 3-10 Memory Expansion Board Removal
Remove the memory expansion board from the system board's memory
3.
expansion board connector at location J9 (see Figure Section 3-4).
Set the memory expansion board on a non-conductive surface.
4.
5. Install the SIMM as follows.
n
Locate the notched end of the SIMM (see Figure Section 3-11).
Screws
(Underside of Bracket Bar)
Figure Section 3-11 Notched End of SIMM
Memory Expansion
Board
Notch
Bracket Bar