MSC C6-MB-EVA
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4.2 PCI Express Lanes
8 PCIe lanes are defined at the COM Express module.
Some lanes can be routed to various connectors.
Note: The number of PCIe lanes available will depend on the COM Express module used
– not all
modules can support 8 PCIe lanes.
PCIe Lane
References
default
References
Change via resistors
References
Change via switch
PCIe Lane 0
X701 Slot 0
PCIe Lane 1
X701 Slot 0
PCIe Lane 2
X701 Slot 0
PCIe Lane 3
X701 Slot 0
PCIe Lane 4
X702 Slot 1
PCIe Lane 5
X801 Slot 2
X702 Slot 1
PCIe Lane 6
X802 Slot 3
X702 Slot 1
X901 Mini PCIe
PCIe Lane 7
X803 Slot 4
X702 Slot 1
Table 3 Assignment PCIe Lane to connector reference
To change PCIe lanes from Slot 1 to Slots 2/3/4 remove resistors and replace them at:
PCIe Lane
Remove (red)
place at (green) Mini PCIe
PCIe Lane 5
RJ713, RJ714,
RJ715, RJ716
RJ701, RJ702,
RJ707, RJ708
PCIe Lane 6
RJ717, RJ718,
RJ719, RJ720
RJ703, RJ704,
RJ709, RJ710
Don’t move resistors. When
plugging the device, lane 6
switches automatic.
PCIe Lane 7
RJ721, RJ722,
RJ723, RJ724
RJ705, RJ706,
RJ711, RJ712
Table 4 PCIe Lane configuration