User Guide
2-17
ASUS ESC4000 G3/G3S Series
2.5.1 The PCI Express riser card
The onboard PCI Express slot on the motherboard comes pre-installed with a riser card that
supports one x16 slot (x8 Gen3 link) for installing PCI-E x16 low prole cards and one x8 slot
(x8 Gen3 link) for installing ASUS PCI-E x8 proprietary cards.
2.5 Expansion slots
Ensure to unplug the power cord before adding or removing expansion cards. Failure to do
so may cause you physical injury and damage motherboard components.
PCI-E x8 slot proprietary
PCI-E x16 slot low-profile
To install PCI-E expansion cards to the riser card:
1. Remove the the screw that secures the riser card to the chassis.