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Altera_Forum's avatar
Altera_Forum
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11 years ago

Use two Kinds PCIe REFCLK in SOC Development Kit

Hi, I am using Cyclone V SoC Development Kit. and this board as PCI Express endpoint is connected to Host PC. But this board is not recognized by Host PC. I observed the "Itssmstate" sig...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi,

This is resolved.

clock generator(Si52112A1) in altera soc board does not has Spread spectrum Clocking(SSC) function.

But, Host PC is using this SSC function.

By turning off this SSC function in BIOS menu, Host PC recognized this SOC board.

thanks