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USB Blaster Fix Hardware Port Number

Alvin_00
Beginner
832 Views

Hi all,

I'm having issue when connecting Multiple USB Blaster to a single PC.  I'm writing to script to automatically program my FPGA using theses USB Blasters.

 

The issue is when I disconnect any of them then the hardware port name will change incrementally.

 

Example:

Initial Stage

Blaster 1 -- USB Blaster [USB-2]

Blaster 2 -- USB Blaster [USB-3]

Blaster 3 -- USB Blaster [USB-4]

 

When I disconnect and reconnect example Blaster 3. It seems that the blaster driver is being reinstall then it became like below.

Blaster 1 -- USB Blaster [USB-2]

Blaster 2 -- USB Blaster [USB-3]

Blaster 3 -- USB Blaster [USB-5]

Blaster.png

 

This causes an issue when I'm trying to program using Blaster 3 which the port number was off. 

Does anyone know how to fix the value of the port number?

 

 

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YuanLi_S_Intel
Employee
779 Views

The value is not fixed. It is not working in that way.


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