Asus H81M-D PLUS - Manual (Page 10)

1-2 Chapter 1: Product introduction
H81M-D PLUS
Place this side towards
the rear of the chassis
1.2.2 Screw holes
Place six screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not overtighten the screws! Doing so can damage the motherboard.
H81M-D Series motherboards include H81M-D and H81M-D PLUS models. Motherboard
features vary between models. The layout illustrations in this user guide are for H81M-D
PLUS only.