DX8.1 cards can be used with updated drivers in dx9 renderless mode.
BUT then some off the work is done by CPU not GPU as it is case with DX9 cards.
So actually it is up to your cards drivers how vm9 handles.
CoolHammer
__________________ AMD Sempron 2400+ / ATI AIW 9000 Pro / Samsung 120Gb / Asus A7N8X-VM/400 / Windows XP pro Fi /LG 32LP1 LCD TV connected with DVI /Sony amp connected with S/PDIF |