CGFOUR(4)             OpenBSD Programmer's Manual (SPARC)            CGFOUR(4)

NAME
     cgfour - 8-bit color frame buffer

SYNOPSIS
     cgfour0 at obio0 addr 0xfb300000 level 4 (sun4/300)
     cgfour0 at obio0 addr 0x0b300000 level 4 (sun4/100)

DESCRIPTION
     The cgfour is a memory based color frame buffer with overlay plane.  Its
     pixel memory and control planes can be mapped into a user process address
     space by using the mmap(2) system call.  The cgfour driver supports the
     minimal ioctl(2)s needed to run X(1).

SEE ALSO
     bwtwo(4), cgeight(4), cgfourteen(4), cgsix(4), cgthree(4), cgtwo(4),
     p9100(4), tcx(4)

OpenBSD 3.0                      June 23, 1996                               1
