Asus AP120R User Guide - Page 25

2.5.2 DIMM installation Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components. Follow these steps to install a DIMM. 1. Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. DDR DIMM notch 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. Unlocked retaining clip 3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated. Locked retaining clip 2.5.3 Removing a DIMM Follow these steps to remove a DIMM. 1. Simultaneously press the retaining clips outward to unlock the DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. 2. Remove the DIMM from the socket. ASUS AP120-E1 user guide 2-9