SGI Graphics Back End (GBE) frame buffer
gbe0 at mainbus0
wsdisplay* at gbe?
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 wscons(4) console
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.
gbe driver first appeared in
gbe driver was written by Joel
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.