diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC
index 0367ac253df5..db756325c61e 100644
--- a/sys/amd64/conf/GENERIC
+++ b/sys/amd64/conf/GENERIC
@@ -188,6 +188,7 @@ device		ppi		# Parallel port interface device
 device		de		# DEC/Intel DC21x4x (``Tulip'')
 device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card
 device		ixgb		# Intel PRO/10GbE Ethernet Card
+device		le		# AMD Am7900 LANCE and Am79C9xx PCnet
 device		txp		# 3Com 3cR990 (``Typhoon'')
 device		vx		# 3Com 3c590, 3c595 (``Vortex'')
 
@@ -202,7 +203,7 @@ device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
 device		lge		# Level 1 LXT1001 gigabit Ethernet
 device		nge		# NatSemi DP83820 gigabit Ethernet
 device		nve		# nVidia nForce MCP on-board Ethernet Networking
-device		pcn		# AMD Am79C97x PCI 10/100
+device		pcn		# AMD Am79C97x PCI 10/100 (precedence over 'le')
 device		re		# RealTek 8139C+/8169/8169S/8110S
 device		rl		# RealTek 8129/8139
 device		sf		# Adaptec AIC-6915 (``Starfire'')
diff --git a/sys/ia64/conf/GENERIC b/sys/ia64/conf/GENERIC
index 2067a81decd2..993cfa4573a7 100644
--- a/sys/ia64/conf/GENERIC
+++ b/sys/ia64/conf/GENERIC
@@ -111,6 +111,7 @@ device		ums		# Mouse
 # PCI Ethernet NICs.
 device		de		# DEC/Intel DC21x4x (``Tulip'')
 device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card
+device		le		# AMD Am7900 LANCE and Am79C9xx PCnet
 device		txp		# 3Com 3cR990 (``Typhoon'')
 device		vx		# 3Com 3c590, 3c595 (``Vortex'')
 
@@ -118,7 +119,7 @@ device		vx		# 3Com 3c590, 3c595 (``Vortex'')
 device		bge		# Broadcom BCM570xx Gigabit Ethernet
 device		dc		# DEC/Intel 21143 and various workalikes
 device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
-device		pcn		# AMD Am79C97x PCI 10/100 NICs
+device		pcn		# AMD Am79C97x PCI 10/100 (precedence over 'le')
 device		re		# RealTek 8139C+/8169/8169S/8110S
 device		rl		# RealTek 8129/8139
 device		sf		# Adaptec AIC-6915 (``Starfire'')