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From: Warner Losh <imp@FreeBSD.org>
Date: Wed, 15 Sep 2010 19:40:42 +0000 (UTC)
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Subject: svn commit: r212693 - head/share/man/man4
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Author: imp
Date: Wed Sep 15 19:40:42 2010
New Revision: 212693
URL: http://svn.freebsd.org/changeset/base/212693

Log:
  Add note abotu bwn and newer chipsets

Modified:
  head/share/man/man4/bwi.4

Modified: head/share/man/man4/bwi.4
==============================================================================
--- head/share/man/man4/bwi.4	Wed Sep 15 19:40:08 2010	(r212692)
+++ head/share/man/man4/bwi.4	Wed Sep 15 19:40:42 2010	(r212693)
@@ -90,6 +90,20 @@ driver supports Broadcom BCM43xx based w
 .It "TRENDnet TEW-401PCplus	BCM4306	CardBus	b/g"
 .It "US Robotics 5411	BCM4318	CardBus	b/g"
 .El
+.Pp
+The 
+.Nm 
+driver uses the older v3 version of Broadcom's firmware.
+While this older firmware does support most BCM43xx parts, the
+.Xr bwn 4 
+driver works better for the newer chips it supports.
+You must use the 
+.Nm 
+driver if you are using older Broadcom chipsets (BCM4301, BCM4303 and
+BCM4306 rev 2).
+The v4 version of the firmware that 
+.Xr bwn 4 
+uses does not support these chips.
 .Sh EXAMPLES
 Join an existing BSS network (i.e., connect to an access point):
 .Pp