SGI Graphics Back End (GBE) frame buffer
gbe0 at mainbus0
wsdisplay* at gbe?
driver provides support for the
on-board Graphics Back End (GBE) frame buffer found in SGI O2 machines.
Console support is provided by the
A special option nosog
can be passed from the ARCS
firmware to the driver via the OSLoadOptions
environment variable to disable Sync-on-Green signal.
driver first appeared in
driver was written by
Hardware initialization must currently be performed by the ARCS firmware. The
resolution configured by the firmware will be used, with a fixed color depth
of 8 bits.