Community > Arrow USB Programmer2

Driver not loading using Ubuntu 20.04

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tcmichals:
Here is a screen shot of the device manager

tcmichals:
USBview

tcmichals:
Did not attach screen shot.

JH:
Hi,

in this case the EEPROM is empty (your last picture with USB viewer).

But your wrote at the beginning:

--- Quote ---The USB Arrow driver is not found using Quartus.  This was all working until I upgraded from 18.04 to 20.04.
--- End quote ---

If I understand this correctly, eeprom content was correct before you has done the update?

So did you try to modify eeprom with some tools? I can't imagine how linux update can influence eeprom content.

br
John

tcmichals:
"If I understand this correctly, eeprom content was correct before you has done the update?"

-The EEPROM was changed before the OS grade. via the FTDI - FT Prog tool.  There was no test performed to validate the change. The change was made to Hardware Specific/Port B/Hardware to set RS232 UART.

The attached screen shot was taken from a WIN10 PC, no VM installed. So how can the EEPROM be blank? The Product Name, Desc etc looks valid. Is there invalid CRC or checksum? special key?

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