We are using Intel's Atom processor with Springville I210 controller as Ethernet PHY.
The PCIe port of Atom processor is connected to Springville to convert PCIe into MDI signals which are then connected to an Ethernet PHY switch.
We are using this link at a speed of 100Mbps.
Concern here is that, the voltage levels of MDI signals which are coming out from Springville is around 5V pk-pk. This is not as per the standard specs of MDI signals.
Can any one please suggest if any settings has to be changed to get proper voltage swing,
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