Filter
Top Products
CX-MB-EVA2 User's Manual Hardware
21
4.3 PCI Express x1 Slots
One PCIe x1 slot is assigned to each of the 6 PCIe lanes of the COM Express module.
Note: The order of the connectors has changed on the new layout. Now X6 is near PEG
slot.
Note : The number of PCIe lanes available will depend on the COM Express module
used – not all modules can support 6 PCIe lanes.
PCIe Lane References
PCIe Lane 0 X6
PCIe Lane 1 X7
PCIe Lane 2 X8
PCIe Lane 3 X9
PCIe Lane 4 X10
PCIe Lane 5 X11
Table 5 Assignment PCIe Lane to connector reference
Specification:
References: X6 - X11
Connector: AMP / Tyco 4-1612163-1
Pinout: Refer to PCI express specification
Pin Signal Pin Signal
A1 PRSNT1# B1 12V
A2 12V B2 12V
A3 12V B3 12V
A4 GND B4 GND
A5 JTAG_TCK B5 SMB_CLK
A6 JTAG_TDI B6 SMB_DAT
A7 JTAG_TDO B7 GND
A8 JTAG_TMS B8 3V3
A9 3V3 B9 JTAG_RST#
A10 3V3 B10 3V3_AUX
A11 PE_RST# B11 WAKE#
KEY
A12 GND B12 RSVD
A13 REFCLK+ B13 GND
A14 REFCLK- B14 PET_p0
A15 GND B15 PET_n0
A16 PER_p0 B16 GND
A17 PER_n0 B17 PRSNT2#
A18 GND B18 GND
Table 6 Pin out PCI Express