User`s manual

CyberResearch
®
Motherboards MXGD Series
CyberResearch, Inc. 27
25 Business Park Drive P: [phone]; F: [phone]
Branford, CT USA www.cyberresearch.com
Figure 2-11: USB Connector
2.6 Intel® ICH8DO PCIe Bus Components
2.6.1 PCIe Bus Overview
The MXGD Intel® ICH8DO southbridge PCIe bus is split into two PCIe x1 channels and
one PCIe x4 channel. The two PCIe x1 channels are each connected to a Broadcom PCIe
GbE controller. The PCIe x4 channel is connected to a PCIe x4 slot.
2.6.2 PCIe x4 Expansion
Four of the PCI express root ports are connected to a single PCIe x4 expansion slot
enabling PCIe x4 cards to be installed on the system.