Epson Equity 286 PLUS - Manual (Page 127)

4.
5.
Caution
If you do not correctly align the holes with the pins in the
socket, you could severely damage your computer when
you push in the connector.
Connect power supply connector P5 to the remaining six
pins in the socket using the same procedure.
Carefully lower the front of the subassembly onto the
computer. Make sure that all four tabs on the back of the
computer are inserted into the slots on the subassembly as
you lower it.
small tabs
Installing and Removing Options
5-37