You need either to purchase the Warp3D SI driver from A-Eon's Amistore (Not the same product as Warp3D Nova which is part of the Enhancer package ) or see if the programs work with minigl4gl4es.lha
I have only heard of 2 Oland based cards workings with a Sam460ex. The same model of 1 of the 2 did not work for me. Elwood had one and Hans had one. His model did not work for me. So not impossible but very low probability . so even the same models may have variations that do not work .
This Card uses the original Verde chipset(HD7750,HD7770,R7-250E,R7-250X) so should work. The problem cards for the Sam460ex are Oland based and some of the newer Verde variants .
A Polaris based card should be the best option in the long term. Radeon RX550 or RX560 . You would also need the Polaris driver that is available as part of a pre purchase option of A-Eon's Enhancer Software v2.0
But it may not so easy finding a single slot version so you may need to use a pciex16 riser cable If you need to use the pci slot. Also a large enough case would be required to mount the card properly in this case.
I am currently using a RX550 with pciex16 riser cable with my Sam460ex .Have also used an RX560 with the same setup. Have sourced a single slot RX550 version but may not get it in my hands to test until next month. Problem with low profile video card models is that the SATA card in the pci slot can restrict airflow and make the cards run hotter than normal.
Thanks. If I remember correctly there were some sound frequency issues with the onboard sound using a Radeon SI card and Warp3DSI with some Warp3D games.