ECS C7VCM2 Manual page 19

Installation Procedure
Refer to the following to install the memory modules.
1 This motherboard supports unbuffered DDR2 SDRAM only.
2 Push the latches on each side of the DIMM slot down.
3 Align the memory module with the slot. The DIMM slots are keyed with notches
and the DIMMs are keyed with cutouts so that they can only be installed
correctly.
4 Check that the cutouts on the DIMM module edge connector match the notches
in the DIMM slot.
5 Install the DIMM module into the slot and press it firmly down until it seats
correctly. The slot latches are levered upwards and latch on to the edges of
the DIMM.
Installing the Motherboard
13