Epson 2000 - Manual (Page 52)

5. Push the SIMM into the socket until it is seated firmly in the
slot. Then tilt it upright, as shown above, guiding the hole
at each end of the SIMM over the retaining post at each end
of the SIMM socket. If it does not go in smoothly, do not
force it; pull it all the way out and try again.
6. Repeat steps 4 and 5 for each additional SIMM.
7. Replace any option cards you removed. (See page 3-13 for
instructions.)
Removing SIMMs
If you need to remove SIMMs from your computer (to install
different ones, for example), follow the steps below:
1. Remove any option cards that may be blocking your access
to the SIMM sockets. (See page 3-16 for instructions.)
Installing and Removing Options 3-11