AOpen DEX4500 series Assembly Manual page 7

2-4 Install Memory
2-4-1.
Loosen 2 pcs of DIMM heatsink screw (FPH
M3 screw) by the screw driver and remove it.
Unscrew
2-4-2.
Insert the memory on the upper socket as this
angle.
Upper socket
Insert DIMM as this angle
30°
6
MB