Canopus was acquired by Grass Valley (a Belden brand) in 2005. Official support for most legacy Canopus hardware ended over a decade ago. This means finding a working driver is a challenge, but not impossible.
Are you using a or a Thunderbolt-to-FireWire adapter ? I can help identify the specific driver version you need. Share public link canopus u13pc211 driver
The Canopus U13PC211 (ACEDVio) is a robust and versatile video capture card that was ahead of its time. Its driverless OHCI design means you never have to hunt for a specific driver; you simply rely on the built‑in Windows FireWire stack. However, on modern operating systems—especially 64‑bit versions of Windows 7 and later—you may need to replace the default FireWire driver with the “legacy” version to restore full functionality. Canopus was acquired by Grass Valley (a Belden
video capture card bridges the gap between older multimedia formats and computer editing systems. Are you using a or a Thunderbolt-to-FireWire adapter