This Release Notes and Known Issues Answer Record is for the Virtex-5 GTX RocketIO Wizard v1.4 and contains the following information:
- New Features
- Known Issues
- OBSAI, PCIe Gen2 protocol templates
- GTX_DUAL Fast Functional Model support
- Synplify 9.2 support
- The TX Phase Alignment circuit generated by the GTX Wizard v1.4 might not work under certain system-level conditions and data rates. Refer to "TX Buffering, Phase Alignment, and TX Skew Reduction" in Chapter 6, Section 1, of UG198 for more details on the Phase Alignment recommendations.
- For some of the designs, timing closure at fabric rates of 312.5 MHz and higher might require significant effort. For best results, use a 16/20/32/40-bit interface for line rates higher than 2.5 Gbps.