                Core name: Xilinx Spartan-6 Integrated
                           Block for PCI Express
                Version: 1.3 Rev 1.
                Release Date: July 23, 2010


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This document contains the following sections:

1. Introduction
2. New Features
3. Supported Devices
4. Resolved Issues
5. Known Issues
6. Technical Support
7. Core Release History
8. Legal Disclaimer

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1. INTRODUCTION

For the most recent updates to the IP installation instructions for this
core, please go to:

   http://www.xilinx.com/ipcenter/coregen/ip_update_install_instructions.htm

For system requirements:

   http://www.xilinx.com/ipcenter/coregen/ip_update_system_requirements.htm



This file contains release notes for the Xilinx LogiCORE IP Spartan-6
Integrated Block for PCI Express(R) v1.3 solution. For the latest core
updates, see the product page at:

  http://www.xilinx.com/products/ipcenter/S6_PCI_Express_Block.htm


2. NEW FEATURES

- ISE 12.2 software support
- VHDL source for testbench
- Support for ISIM
- Additional Part/Package support


3. SUPPORTED DEVICES

- Spartan-6 LXT / XA LXT / Q LXT


4. RESOLVED ISSUES

- V6 GTX POWER_SAVE setting changed (in Root Port Model)
   - Version fixed: 1.3 rev 1
   - CR #563643

- V6 MMCM VCO changed from 500 MHz to 1000 MHz (in Root Port Model)
   - Version fixed: 1.2 rev 1
   - CR #543565
   - AR #34341

- Timing error when implementing VHDL example design
   - Version fixed: 1.2 rev 1
   - CR #548007
   - AR #34342

- Designs which use Multi-Vector MSI should check the number of allocated
  vectors before generating an MSI interrupt
   - Version fixed: N/A
     - Previously mentioned as an issue in v1.1 but no longer an issue in v1.2
   - CR #522729
   - AR #32866


5. KNOWN ISSUES

The following are known issues for v1.3 of this core at time of release:

- N/A

The most recent information, including known issues, workarounds, and
resolutions for this version is provided in the IP Release Notes Guide
located at

  http://www.xilinx.com/support/documentation/user_guides/xtp025.pdf


6. TECHNICAL SUPPORT

To obtain technical support, create a WebCase at www.xilinx.com/support.
Questions are routed to a team with expertise using this product.

Xilinx provides technical support for use of this product when used
according to the guidelines described in the core documentation, and
cannot guarantee timing, functionality, or support of this product for
designs that do not follow specified guidelines.


7. CORE RELEASE HISTORY

Date        By            Version      Description
================================================================================
07/23/2010  Xilinx, Inc.  1.3 rev 1    ISE 12.2 support
04/19/2010  Xilinx, Inc.  1.3          ISE 12.1 support
03/09/2010  Xilinx, Inc.  1.2 rev 1    ISE 11.5 support
09/16/2009  Xilinx, Inc.  1.2          ISE 11.3 support
06/24/2009  Xilinx, Inc.  1.1          Initial release
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8. Legal Disclaimer

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laws.

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