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AR# 39544

Virtex-6 FPGA Integrated Block for PCI Express (AXI) - Asynchronous Links Should Change PMA_RX_CFG


Version Found: v2.1, v1,1
Version Resolved and other Known Issues: See (Xilinx Answer 45723).

For asynchronous links, users should modify the PMA_RX_CFG setting in the GTX wrapper file.


Edit the gtx_wrapper_v6.v[hd] file found in the generated core's source directory and change PMA_RX_CFG to be 25'h05CE049. For more information on clocking, see (Xilinx Answer 18329).

Revision History

01/18/2012 - Updated; added reference to 45723
12/24/2010 - Initial Release

Note: "Version Found" refers to the version the problem was first discovered. The problem might also exist in earlier versions, but no specific testing has been performed to verify earlier versions.
AR# 39544
Date 01/09/2012
Status Active
Type ??????
  • Virtex-6 CXT
  • Virtex-6 HXT
  • Virtex-6 LXT
  • Virtex-6 SXT
  • Virtex-6 FPGA Integrated Block for PCI Express ( PCIe )
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