abaco systems RTM311 User Manual page 22

UM082 RTM311 User Manual r1.3
Figure 10: Location of the M.2 connector, circled in yellow and the standoff, circled in pink
A validated and supported M.2 module is the Western Digital WDS250G1B0B.
VPX backplane connects to both standard SATA and M.2 devices as shown in Figure 11 below.
Figure 11: Connections between VPX backplane and SATA/M.2 connectors
RTM311 provides reference clock (100MHz) to the M.2 modules. VPX backplane can
control/monitor the M.2 device via on-board CPLD as below. Also, see Appendix A: CPLD
Register map for more details.
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