The term refers to internal TV tuner cards that plug into a PCI slot on a desktop motherboard. These were very popular in the late 1990s and early 2000s for recording TV shows or converting VHS tapes to digital formats.
If you have the card installed and need the "complete piece" (the driver software) to make it work: Lifeview FlyTV Prime 30 sound cards drivers - DriverHub
The Fix: If 64-bit drivers do not exist for your chipset, your best option is to set up a virtual machine (using VirtualBox or VMware) running Windows XP, or build a dedicated legacy "retro PC" dual-booting Windows XP/7. The Death of Analog Television
Find the correct driver
Linux note (if relevant)
Are there any printed directly on the largest square microchip on the card?
The search data strongly indicates the LightWave card uses the or SAA7130 chipset. This is excellent news for anyone trying to get it working today, as these chipsets are incredibly well-supported. In the Linux world, they are handled by the robust saa7134 kernel module. In Windows, generic drivers often exist.
If your Hardware ID leads to a or Philips SAA713x , you have two excellent open-source generic driver packages that ignore the "LWPCI" nonsense: