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[FAQ] How do I resolve PAMB EVM connectivity and/or driver installation issues

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I got the following error message when running an EVM GUI, how do I resolve it?

NOTE: The "SCB" and "PAMB" boards utilize the same USB drivers, so this information is equally applicable to the SCB-based EVMs...

 

 

Best regards,
Chris Hall
Applications Engineer | Precision ADCs


Check out these helpful resources...
TI Precision Data Converters | TI Precision Labs - ADCs | Analog Engineer's Calculator | Data Converters Learning Center | Selection Guide

 

  • If you are using Windows 7 or Window 8.1, you will need to download and install the PAMB USB drivers from here:

    http://www.ti.com/lit/zip/sbac253 

    If you are using Windows 10, downloading and installing there drivers is not required, but if you are experiencing connectivity issues, downloading and re-installing these drivers can often resolve most problems.

    BEFORE installing these drivers...
    Avoid using long USB cables and USB hubs when connecting to the EVM. If you have another USB cable or another USB port on your machine, try using a different cable and also switching to a different USB port, especially if you have not manually installed the PAMB drivers on your computer before. Automatic driver detection/installation can often be hindered by indirect connections to the EVM.

    AFTER installing these drivers...
    If you are still having issues and have previously connected the PAMB board to your PC, you may need to manually associate the device drivers to the connected device. To do this follow the steps below:

    1. Open Windows Device Manager and locate the unknown device.

      NOTE: Unknown devices usually have the following symbol on the device icon: 

    2. Right-click on the device and select "Update driver":


    3. Click "Browse my Computer for driver software":


    4. Click "let me pick from a list of drivers on my computer":


    5. Click "Show All Devices" then click next:


    6. Click "Have Disk":


    7. In the pop-up window, click "Browse..."


    8. Navigate to C:\Program Files(x86)\Texas Instruments\Drivers\PAMB and select the appropriate INF driver file.


      1. Use "boot_usb.inf" file for the Tiva Device Firmware Update device.

      2. Use "usb_dev_bulk_com.inf" file for the WinUSB Generic Bulk device
        (This device has a hardware ID of USB\VID_1CBE&PID_00AB&MI_00).

      3. Use the "usb_dev_serial_com.inf" file for the Serial COM port device
        (This device has a hardware ID of USB\VID_1CBE&PID_00AB&MI_01).

    9. Click "OK":



    10. Click "Next":


    11. NOTE: Windows may display a pop-up message warning you that the device driver is not compatible with this device. This is OK - Windows shows this message when it is unsure of driver compatibility; click to proceed anyways.

    12. Finally, click "Close": 

    images.zip

    Best regards,
    Chris Hall
    Applications Engineer | Precision ADCs


    Check out these helpful resources...
    TI Precision Data Converters | TI Precision Labs - ADCs | Analog Engineer's Calculator | Data Converters Learning Center | Selection Guide

     

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