Asus A55-C - Manual (Page 16)

1.3 Motherboard overview
1.3.1 Placement direction
When installing the motherboard, ensure that you place it into the chassis in the correct
orientation. The edge with external ports goes to the rear part of the chassis as indicated in
the image below.
DO NOT overtighten the screws! Doing so can damage the motherboard.
1.3.2 Screw holes
Place six screws into the holes indicated by circles to secure the motherboard to the chassis.
A55-C
Place this side towards
the rear of the chassis.
Chapter 1: Product introduction 1-4