Asus AP7500 - Manual (Page 21)

AP7500 Hardware Reference Guide 21
II. Components
Motherboard Secure
Motherboard Securing
Remove the fan module before installing or removing the motherboard. All
screws are necessary to provide the needed stabilization to support all the
motherboard expansion cards used in a server.
Spacer Mounts
These spacers are used to give added support to the motherboard. Make
sure that these are placed in the screw mount locations shown here for the
P2B-D2 motherboard, do not place them in other locations or else damage
may occur to the motherboard.
Installed P2B-D2 motherboard
Spacer Mount
(four required)
Motherboard spacer mounts
II. System Components