Connect Tech - COM Express Type-6 PMC/XMC Carrier Board - User Manual
Revision 0.03
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PCI Express Allocation Details
Below is a listing of how the PCI Express Links are allocated on the carrier board.
COM Express PCI Express Link
Peripheral Connection
PCIe x1 - 0
PCIe GBE Controller
PCIe x1 - 1
PCIe to PCI Bridge for PMC Slots
PCIe x1 - 2
PCIe UART for 8 x RS-232/RS-485
PCIe x1 - 3
miniPCIe / mSATA Slot 0
PCIe x1 - 4
miniPCIe / mSATA Slot 1
PCIe x1 - 5
miniPCIe Slot 2
PCIe x1 - 6
miniPCIe Slot 3
PCIe x1 - 7
No Connect
PEG (lanes 0-7) PCIe x8 - 0
PMC / XMC Slot 0
PEG (lanes 8-15) PCIe x8 - 1
PMC / XMC Slot 1
USB Allocation Details
Below is a listing of how the USB Ports are allocated on the carrier board. Please note that if you are
intending to use the USB ports to their maximum bandwidth that you should be selecting ports that are
directly connected to the COM Express USB ports and not through the USB hub controller. IE – For
highest USB bandwidth select ports from the table below on the left.
COM Express USB Port
Peripherial Connection
Port 0 (
USB 3.0
)
USB Port 0 (External)
Port 1 (
USB 3.0
)
USB Port 1 (External)
Port 2 (
USB 3.0
)
USB Port 2 (External)
Port 3 (
USB 3.0
)
USB Port 3 (External)
Port 4 (
USB 2.0
)
7-Port USB Hub
------> USB Hub Port
Peripherial Connection
Port 5 (
USB 2.0
)
USB Port 8 (External)
Port 0 (
USB 2.0
)
miniPCIe / mSATA Slot 0
Port 6 (
USB 2.0
)
USB Port 9 (External)
Port 1 (
USB 2.0
)
miniPCIe / mSATA Slot 1
Port 7 (
USB 2.0
)
USB Port 7 (Internal)
Port 2 (
USB 2.0
)
miniPCIe Slot 2
Port 3 (
USB 2.0
)
miniPCIe Slot 3
Port 4 (
USB 2.0
)
USB Port 6 (Internal)
Port 5 (
USB 2.0
)
USB Port 4 (External)
Port 6 (
USB 2.0
)
USB Port 5 (External)
