The X11R5.cpio.Z file includes a full release of X11R5 for the
SPARCbook2 and SPARCbook3, running Solaris 1.
 
You will need about 40MB of free disk space in /usr in order to load
the full distribution.
 
To install the full distribution do the following as root:

        # cd /[path]
        # uncompress < [path]/X11R5.cpio.Z | cpio -imud 
	# ./install_X11R5
	# set path = (/usr/bin/X11 $path)
	# rehash
	# ldconfig
	# startx

Please report any problems to support@tadpole.com.