Asus Book Size Barebone System Prodigy - Manual (Page 29)

Prodigy Book Size Barebone System 29
4.2 Horizontal placement
The Prodigy may also be set-up in a horizontal position. The Prodigy is
supplied with four rubber footpads to protect the chassis and the surface
below.
If you wish to place the system in the
horizontal position, attach the four
rubber footpads to the bottom of the
chassis.
Rubber footpad