On 21/04/2011 10:16, Xiaofan Chen wrote: > I have an issue with the Xilinx Spartan 3E Starter Kit on-board > USB JTAG. It is enumerated fine and recognized by Windows > XP SP3 as the Platform Cable USB. But Impact (from Xilinx > ISE Webpak 13.1) failed to detect it. > > The only thing I found a bit relevant is this topic. The Xilinx > employee says "The 13.1 software will continue to support > the original Platform USB Cable. There is one small caveat, > the firmware must have been updated to the latest version in > the 12.x tools in order to continue working with the > 13.x software." > http://forums.xilinx.com/t5/Virtex-Family-FPGAs/Does-Virtex-6-require-upg= rade-to-Platform-Cable-USB-II/td-p/128814 > > However, a standalone Platform Cable USB (not the latest > Platform Cable USB II) works just fine under 13.1. It has > not been used with 12.x. So the above thread may not > really apply here. > > Any one has a similar board and similar problem? I remember an issue with version 11 on XP pro and Spartan 3E starter=20 kit. Driver issues. I forget how I solved it., Obviously Xilinx don't know how to do a USB / JTAG driver reliably. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .