Epson Equity 320SX PLUS - Manual (Page 93)

7. Lift the entire subassembly out of the computer and
carefully place it on your work surface.
Replacing the Subassembly
Follow the steps below to replace the subassembly inside
your computer:
1. Notice that there are four mounting slots on the back of
the subassembly: two in the upper comers and two in the
lower corners.
Accessing Internal Components 5-9