Update and a few cleanups, aaron@ ok

6 files changed, 41 insertions, 14 deletions

diff --git a/share/man/man4/man4.sun3/bwtwo.4 b/share/man/man4/man4.sun3/bwtwo.4
index 21d33550086..41bea307e68 100644
--- a/share/man/man4/man4.sun3/bwtwo.4
+++ b/share/man/man4/man4.sun3/bwtwo.4
@@ -49,7 +49,8 @@
 The
 .Nm
 is a memory based black and white frame buffer.
-It supports the minimal ioctl's needed to run X11.
+It supports the minimal ioctl's needed to run
+.Xr X 1 .
 .Sh SEE ALSO
 .Xr cgfour 4 ,
 .Xr cgtwo 4
diff --git a/share/man/man4/man4.sun3/cgfour.4 b/share/man/man4/man4.sun3/cgfour.4
index a2a33429ac3..d9bd4236480 100644
--- a/share/man/man4/man4.sun3/cgfour.4
+++ b/share/man/man4/man4.sun3/cgfour.4
@@ -48,8 +48,15 @@
 .Sh DESCRIPTION
 The
 .Nm
-is a memory based color frame buffer.
-It supports the minimal ioctl's needed to run X11.
+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
+.Xr mmap 2
+system call.
+The
+.Nm
+driver supports the minimal ioctl's needed to run
+.Xr X 1 .
 .Sh SEE ALSO
 .Xr bwtwo 4 ,
 .Xr cgtwo 4
diff --git a/share/man/man4/man4.sun3/cgtwo.4 b/share/man/man4/man4.sun3/cgtwo.4
index d809db93f0d..44cece3b8cc 100644
--- a/share/man/man4/man4.sun3/cgtwo.4
+++ b/share/man/man4/man4.sun3/cgtwo.4
@@ -44,12 +44,19 @@
 .Nm cgtwo
 .Nd 8-bit color frame buffer
 .Sh SYNOPSIS
-.Cd "cgtwo0 at vmes0 addr 0xff400000 level 4 vect 0xA8"
+.Cd "cgtwo0 at vmes0 addr 0xff400000 level 4 vect 0xa8"
 .Sh DESCRIPTION
 The
 .Nm
 is a memory based color frame buffer.
-It supports the minimal ioctl's needed to run X11.
+Its control pixel memory can be mapped into a user process address
+space by using the
+.Xr mmap 2
+system call.
+The
+.Nm
+driver supports the minimal ioctl's needed to run
+.Xr X 1 .
 .Sh SEE ALSO
 .Xr bwtwo 4 ,
 .Xr cgfour 4
diff --git a/share/man/man4/man4.sun3/ie.4 b/share/man/man4/man4.sun3/ie.4
index e2f9b632bd4..09d34938b35 100644
--- a/share/man/man4/man4.sun3/ie.4
+++ b/share/man/man4/man4.sun3/ie.4
@@ -51,18 +51,25 @@ The
 .Nm
 interface provides access to the 10 Mb/s Ethernet network via the
 .Tn Intel
-82586 Ethernet chip set.
+82586 Ethernet chip set.  The
+.Nm
+is found as an on-board interface on Sun 3/75, 3/1x0 and 3/2x0
+workstations.
+The
+.Nm
+also exists as a VME card.
 .Pp
 Each of the host's network addresses
 is specified at boot time with an
 .Dv SIOCSIFADDR
-.Xr ioctl .
+.Xr ioctl 2 .
 The
 .Nm
 interface employs the address resolution protocol described in
 .Xr arp 4
 to dynamically map between Internet and Ethernet addresses on the local
 network.
+.Pp
 .Sh SEE ALSO
 .Xr arp 4 ,
 .Xr inet 4 ,
diff --git a/share/man/man4/man4.sun3/le.4 b/share/man/man4/man4.sun3/le.4
index 573d931725c..ccc3f35d381 100644
--- a/share/man/man4/man4.sun3/le.4
+++ b/share/man/man4/man4.sun3/le.4
@@ -48,11 +48,14 @@
 .Sh DESCRIPTION
 The
 .Nm
-interface provides access to the 10 Mb/s Ethernet network via the
+interface provides access to the 10 Mb/s
+.Tn Ethernet
+network via the
 .Tn AMD
-7990
-.Tn LANCE
-Ethernet chip set.
+Am7990
+Local Area Network Controller for Ethernet
+.Pq Tn LANCE
+chip set.
 .Pp
 Each of the host's network addresses
 is specified at boot time with an
@@ -62,8 +65,9 @@ The
 .Nm
 interface employs the address resolution protocol described in
 .Xr arp 4
-to dynamically map between Internet and Ethernet addresses on the local
-network.
+to dynamically map between Internet and
+.Tn Ethernet
+addresses on the local network.
 .Sh SEE ALSO
 .Xr arp 4 ,
 .Xr ie 4 ,
diff --git a/share/man/man4/man4.sun3/mem.4 b/share/man/man4/man4.sun3/mem.4
index c5b91d2416b..c7c5b213412 100644
--- a/share/man/man4/man4.sun3/mem.4
+++ b/share/man/man4/man4.sun3/mem.4
@@ -63,8 +63,9 @@ Only kernel virtual addresses that are currently mapped to memory are allowed.
 .Pp
 On the
 .Tn Sun3 ,
+physical memory may be discontiguous;
 kernel virtual memory begins at
-.Ad 0x0E000000 .
+.Li 0x0e000000 .
 .Pp
 Writeability of these devices is controlled by the system
 .Xr securelevel 7 .