T he port name in Quartus programmer is not USBx anymore but the FTDI USB Serial Number, e.g.
Furthermore, devices not longer connected could still be displayed in Quartus programmer. Adding or removing programmer hardware after JTAG server (re-)start could lead to a mix-up of ports.
In case of dynamically connect/disconnect FTDI programmer or other FTDI based boards it's sometimes needed to restart HW server service of Quartus to link again to the correct FTDI.įor problems on Windows, please check Troubleshooting Guide and use Diagnostic program, available on Arrow_USB_Programmer Setup Libraries Download Area. HW server service of quartus request only one time programmer from Arrow DLLs.
Instead, two USB Serial Converters should be listed in the section “USB Serial Bus controllers”. After some time, the “Other devices” section should be empty. Windows usually automatically finds the appropriate drivers for these devices.