If your computer sees the device as "Unknown" or "USB Serial Port" instead of "Ross-Tech Direct USB," you need to flash the FTDI chip. Use to change the Vendor ID (VID) and Product ID (PID) to match Ross-Tech standards (usually VID 0403, PID FA20). 5. Testing the Result Once flashed, put the cable back together and: Install the VCDS version compatible with your firmware. Run the VCDS Loader (often required for clone cables).
Set the "Fuses." For most VCDS clones, the standard fuse bits are: Low: 0xCD High: 0x19 vcds atmega162 reflash
Open your VCDS cable casing (usually held by 4 screws under the sticker). Identify the chip. If your computer sees the device as "Unknown"
Go to . You should see "Interface Found!" and "Status: Ready." Safety Warning Testing the Result Once flashed, put the cable
Next to it, look for a row of holes or pads labeled . Connect your USBASP programmer to these points.