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Altera_Forum
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11 years ago

cyclon 4 gx pcie card is not detection problem

Hi all, i am doing pci express by using cyclone 4 gx device (ep4cgx75f23i7). when i inserted the card into the pcie slot and restarted it .but my pc is not recognising it. To check the pr...
Altera_Forum's avatar
Altera_Forum
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11 years ago

For IP Compiler for PCI express:

1) The maximum frequency of reconfig_clk is 50 MHz. Your reconfig_clk should not exceed 50MHz.

2) fixedclk frequency must be 125MHz.

3) Both fixedclk and reconfig_clk must be free running, it can’t be generated from the 100MHz refclk or its derived clocks.