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Altera_Forum
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18 years ago

How to implement PCI Express into my project.

Hello, I have created the PCIe project according to example mentioned in PCI Express Compiler User Guide(2nd chapter). After compilation, pin assignment and programming the StratixIIGX my PC ca...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hi, First you can determine if you have the Link training state machine in L0 state and the LED on the board indicating x1 or x4 or x8 link established. (depending if you have an adapter connected to the board to plug it into a x4 or a x1 slot). The link training bits are bits 324..320 of the test_out port and you can see them in signaltap.

If you are not linking properly, double check that you are meeting timing in your project and if not, add constraints. You may want to monitor other test_out port signals to see what else is happening.