Asus T2-R - Manual (Page 25)

25 ASUS Terminator 2 barebone system
2.6.2 DIMM installation
To install a DDR DIMM.
1. Locate the two DIMM sockets on the motherboard.
2. Unlock a socket by pressing the retaining clips outward.
3. Align a DIMM on the socket such that the notch on the DIMM
matches the break on the socket.
4. Firmly insert the DIMM into the socket until the retaining clips snap
back in place and the DIMM is properly seated.
Retaining clips
1
2
3
4
4
2
A DDR DIMM is keyed with a notch so that it fits in only one direction.
DO NOT force a DIMM into a socket to avoid damaging the DIMM!