User guide
Chapter 3 Hardware
32 Reference Manual Express-IBR
SDVO
The PCH provides Serial Digital Video Output (SDVO) functionality and may be alternatively used for one
third party SDVO compliant device connected to Digital Port B of the PCH.
USB 3.0 Interface
The Express-IBR offers state-of-the-art USB 3.0 support through the PCH using a USB 3.0 xHCI host
controller. Features of the USB 3.0 interface include SuperSpeed, High-Speed, and Full-Speed signals, and
support for data transfers up to 5Gb/s. The USB 3.0 interface delivers the signals for four USB 3.0 ports,
ideal for HDTV, set-top box, and gaming console applications.
Table 3-6 provides the pin signals for the COM Express C-D connector (CN7).
Table 3-6. COM Express C-D Connector Signal Descriptions (CN7)
Pin # Row C Pin # Row D
C1 GND D1 GND
C2 GND D2 GND
C3 USB3_SSRX0- D3 USB3_SSTX0-
C4 USB3_SSRX0+ D4 USB3_SSTX0+
C5 GND D5 GND
C6 USB3_SSRX1- D6 USB3_SSTX1-
C7 USB3_SSRX1+ D7 USB3_SSTX1+
C8 GND D8 GND
C9 USB3_SSRX2- D9 USB3_SSTX2-
C10 USB3_SSRX2+ D10 USB3_SSTX2+
C11 GND D11 GND
C12 USB3_SSRX3- D12 USB3_SSTX3-
C13 USB3_SSRX3+ D13 USB3_SSTX3+
C14 GND D14 GND
C15 DDI1_PAIR6+ D15 DDI1_CTRLCLK_AUX+
(DisplayPanel 1 Aux+ / HDMI1 / SDVO)
C16 DDI1_PAIR6- D16 DDI1_CTRLDATA_AUX-
(DisplayPane1 1 Aux- / HDMI1 / SDVO)
C17 RSVD D17 RSVD
C18 RSVD D18 RSVD
C19 PCIE_RX7+ D19 PCIE_TX7+
C20 PCIE_RX7- D20 PCIE_TX7-
C21 GND D21 GND
C22 PCIE_RX8+ (Not Available) D22 PCIE_TX8+ (Not Available)
C23 PCIE_RX8- (Not Available) D23 PCIE_TX8- (Not Available)
C24 DDI1_HPD (Hot Plug Detect) D24 RSVD
C25 DDI1_PAIR4+ D25 RSVD
C26 DDI1_PAIR4- D26 DDI1_PAIR0+
C27 RSVD D27 DDI1_PAIR0-
C28 RSVD D28 RSVD
C29 DDI1_PAIR5+ D29 DDI1_PAIR1+










