accelerated color frame
machfb* at pci?
wsdisplay* at machfb?
machfb driver supports Sun PCI frame
buffer cards based on the ATI ‘Mach64’ chips, such as the Sun
PGX and PGX64 boards. It does not provide direct device driver entry points
but makes its functions available via the internal
intro(4), pci(4), wscons(4), wsdisplay(4)