Looking on the boards I found a generic driver for the chipset, but I couldn't seem to get it working. Came across this one, specifically for the Legend 64MT, and I had no problems with it.
The following files are found inside the driver download file.
|Ark.drv||30.0 KB||12 Jun 1997|
|tvinit1.exe||151.6 KB||30 Jul 1997|
|Ark.inf||4.6 KB||3 Nov 1997|
|Ark.vxd||15.6 KB||12 Jun 1997|
|propext.dll||310.8 KB||1 Aug 1997|
|Arkdd32.dll||20.5 KB||27 May 1997|