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First of all you need to install Microsoft's Platform Builder for Windows Embedded CE 6.0:
Visual Studio 2005
Visual Studio SP1 (Service Pack 1)
Windows Embedded CE 6.0 (Platform-Builder Plug-In for Visual Studio 2005)
Windows Embedded CE 6.0 SP1 (Service Pack 1)
Windows Embedded CE 6.0 R2 Update
Windows Embedded CE 6.0 R3
Windows Embedded CE 6.0 Cumulative Product Update Rollup Package (through 12/31/2012)
Remaining Windows CE 6.0 QFEs
If asked during install for which platforms, you must select ARMV4I and XScale. If you already have an installation, you can add those platform, by running the Platform-Builder installer. Before using the latest Trizeps-BSP, update the Platform-Builder using Windows Embedded CE Downloads.
Install the Seco BSP for Trizeps V.
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In the next step you might want to add further features or delete some to reduce size or licensing cost.
Download
Demo-Project: ce6demo_2008_10_14.zip
Retail-Image: ce6demo_tr5conxs_2008_10_14.nb0