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In the Transceiver Signal Integrity Development Kit Stratix V GX Edition (DK-SI-5SGXEA7N), when I run ClockControl.exe in the installation directory of "Kit Install", an error occurs and the clock frequency cannot be changed.

Error message
Connecting to the target board...
java.lang.Exception: Could not find device 0x020A40DD

This is probably caused by the difference between the version of Quartus II you are using and the version of the GUI.

Regarding this problem, please refer to the Altera KDB at the URL link below.
"How-To: Setting up the environment variable for the development kit GUIs"
Please check and set the Quartus II version in the mentioned environment variables.
  https://www.altera.com/support/support-resources/knowledge-base/solutions/rd01292013_416.html

The Quartus II version to be set is the version corresponding to the "kit installation" in Table 2 of the URL link below.
  https://www.altera.co.jp/products/boards_and_kits/dev-kits/altera/kit-transceiver-si-stratix-v.html



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