Forum: µC & Digital Electronics Howto use MKII with AVR Studio under WIN 7 64 bit (solution)

Author: Werner A. (homebrew)
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This hopefully helps if anybody has the same problem than me.

The problem was, that I could not use my original MKII under WIN7 64 
The firmware upgrade worked, but for flashing I always got this 
    Unable to connect to tool AVRISP mkII
    Timestamp:    2012-01-03 23:10:27.138
    Severity:        ERROR
    ComponentId:    20000
    StatusCode:    0
    Unable to connect to tool context: 'Atmel.VsIde.AvrStudio.Services.TargetService.TCF.Internal.Services.Remote.ToolProxy+ToolContext'.

    Failed to get interface clock value
    Timestamp:    2012-01-03 23:12:00.376
    Severity:        ERROR
    ComponentId:    20000
    StatusCode:    0
    Unable to connect to tool context: 'Atmel.VsIde.AvrStudio.Services.TargetService.TCF.Internal.Services.Remote.ToolProxy+ToolContext'.
I used AVR Studio 5.0.1163 (update check mentioned no updates availible)

Therefore I contacted the Atmel support and they proposed following 
We recommend to install the latest version of AVR Studio5.1 available in the link below which has updated solutions for known issues and tools compatibility issues.
Note that the AVR Studio 5.1 BETA can co-exist with your 5.0 installation.

With this BETA version everything works fine now (at least for me ;-)


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