9.1 Basic information
The system board is equipped with four expansion slots.
Figure 75: PCI slot overview
I An additional PCI 32-bit slot is available with an optional riser card. This
riser card can be mounted on two spacer bolts positioned under slot 1. In
this case a PCI adapter board occupies slot 1 (see section "Installing the
new riser card" on page 185).
PCI slot Type Function
1
PCe Gen2 x1
(mechanical x4)
slot for optional PCI adapter board (connected
with riser card)
2
PCIe Gen 2 x4
(mechanical x8)
3 PCIe Gen3 x8
4 PCIe Gen3 x8 dedicated slot for boot controllers