- Talk about chips rather than chip sets as AMD LANCE and PCnet are

single-chip.
- Add some more rationale about le(4).
- Add/un-comment hardware notes for C-Bus and ISA adapters.

share/man/man4/le.4

@@ -36,7 +36,7 @@
 .\"	from: @(#)le.4	8.1 (Berkeley) 6/9/93
 .\" $FreeBSD$
 .\"
-.Dd January 30, 2006
+.Dd September 4, 2006
 .Dt LE 4
 .Os
 .Sh NAME
@@ -56,13 +56,21 @@ module at boot time, place the following line in
 .Bd -literal -offset indent
 if_le_load="YES"
 .Ed
-.\" .Pp
-.\" In
-.\" .Pa /boot/device.hints :
-.\" .Cd hint.le.0.at="isa"
-.\" .Cd hint.le.0.port="0x280"
-.\" .Cd hint.le.0.irq="10"
-.\" .Cd hint.le.0.drq="0"
+.Pp
+For C-Bus non-PnP cards, the port address and the IRQ number have to be
+specified in
+.Pa /boot/device.hints :
+.Cd hint.le.0.at="isa"
+.Cd hint.le.0.port="0x03d0"
+.Cd hint.le.0.irq="6"
+.Pp
+For ISA non-PnP cards, the port address as well as the IRQ and the DRQ
+numbers have to be specified in
+.Pa /boot/device.hints :
+.Cd hint.le.0.at="isa"
+.Cd hint.le.0.port="0x280"
+.Cd hint.le.0.irq="10"
+.Cd hint.le.0.drq="0"
 .Sh DESCRIPTION
 The
 .Nm
@@ -71,33 +79,39 @@ driver provides support for Ethernet adapters based on the
 Am7990 and Am79C90 (CMOS, pin-compatible)
 Local Area Network Controller for Ethernet
 .Pq Tn LANCE
-chip set.
+chips.
 .Pp
 The
 .Nm
-driver also supports PCnet adapters based on the
+driver also supports Ethernet adapters based on the
 .Tn AMD 79C9xx
 family of chips, which are single-chip implementations of a
 .Tn LANCE
 chip and a DMA engine.
 This includes a superset of the
 .Tn PCI
-bus Ethernet chip sets supported by the
+bus Ethernet chips supported by the
 .Xr pcn 4
 driver.
 The
 .Nm
 driver treats all of these
 .Tn PCI
-bus Ethernet chip sets as an
+bus Ethernet chips as an
 .Tn AMD Am79C970 PCnet-PCI
 and does not support the additional features like the MII bus and burst mode of
 .Tn AMD Am79C971 PCnet-FAST
-and greater chip sets.
+and greater chips.
 Thus the
 .Xr pcn 4
 driver should be preferred for the latter.
 .Pp
+Generally, the
+.Nm
+driver aims at supporting as many different chips on as many different
+platforms as possible,
+partially at the cost of the best performance with some of these.
+.Pp
 The
 .Nm
 driver supports reception and transmission of extended frames for
@@ -106,21 +120,78 @@ Selective reception of multicast Ethernet frames is provided by a 64-bit mask;
 multicast destination addresses are hashed to a bit entry using the Ethernet
 CRC function.
 .Sh HARDWARE
-.\" .Ss ISA
-.\" The
-.\" .Tn ISA
-.\" bus Ethernet cards supported by the
-.\" .Nm
-.\" driver are:
-.\" .Pp
-.\" .Bl -bullet -compact
-.\" .It
-.\" .Tn BICC Isolan
-.\" .It
-.\" .Tn Novell NE2100
+.Ss C-Bus and ISA
+The
+.Nm
+driver supports
+.Tn C-Bus
+and
+.Tn ISA
+bus Ethernet adapters which are based on the following chips:
+.Pp
+.Bl -bullet -compact
+.It
+.Tn AMD Am7990 and Am79C90 LANCE
+.It
+.Tn AMD Am79C960 PCnet-ISA
+.It
+.Tn AMD Am79C961 PCnet-ISA+
+.It
+.Tn AMD Am79C961A PCnet-ISA II
+.El
+.Pp
+This includes support for the following Ethernet adapters:
+.Pp
+C-Bus non-PnP:
+.Pp
+.Bl -bullet -compact
+.It
+.Tn Contec C-NET(98)S
+.El
+.Pp
+ISA non-PnP:
+.Pp
+.Bl -bullet -compact
+.It
+.Tn BICC Isolan
 .\" .It
 .\" .Tn Digital DEPCA
-.\" .El
+.It
+.Tn Novell NE2100
+.El
+.Pp
+ISA PnP:
+.Pp
+.Bl -bullet -compact
+.It
+.Tn AMD AM1500T/AM2100
+.It
+.Tn AMD PCnet-32
+.It
+.Tn AMD PCnet-ISA
+.It
+.Tn Boca LANCard Combo
+.It
+.Tn Cabletron E2100 Series DNI
+.It
+.Tn Cabletron E2200 Single Chip
+.It
+.Tn Melco Inc. LGY-IV
+.It
+.Tn Novell NE2100
+.It
+.Tn Racal InterLan EtherBlaster
+.El
+.Pp
+The
+.Nm
+driver does not support the selection of media types and options via
+.Xr ifconfig 8
+with
+.Tn C-Bus
+and
+.Tn ISA
+bus Ethernet adapters.
 .\" .Ss EISA
 .\" The
 .\" .Tn EISA
@@ -148,7 +219,7 @@ CRC function.
 .Ss PCI
 The
 .Tn PCI
-bus Ethernet chip sets supported by the
+bus Ethernet chips supported by the
 .Nm
 driver are:
 .Pp
@@ -171,7 +242,7 @@ driver are:
 .Pp
 The
 .Nm
-driver supports the following media types with these chip sets:
+driver supports the following media types with these chips:
 .Pp
 .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
 .It autoselect