ATI_CHIP_264VT
{ PCI_CHIP_MACH64VT, "ATI264VT (Mach64 VT)", 170, 67, 67, 80, ATI_CHIP_264VT },
par->features = ATI_CHIP_264VT;
par->features = ATI_CHIP_264VT | M64F_MAGIC_POSTDIV;