diff --git a/sys/alpha/conf/GENERIC b/sys/alpha/conf/GENERIC
index 217dfe5fa66..2be16f3b2c2 100644
--- a/sys/alpha/conf/GENERIC
+++ b/sys/alpha/conf/GENERIC
@@ -143,8 +143,9 @@ device		sc
 
 device		mcclock		# MC146818 real time clock device
 
-# Serial (COM) ports (required)
+# Serial (COM) ports
 device		sio		# 8250, 16[45]50 based serial ports
+device		uart		# Generic UART driver
 
 # Parallel port
 device		ppc
@@ -155,7 +156,7 @@ device		ppi		# Parallel port interface device
 
 # If you've got a "dumb" serial or parallel PCI card that is
 # supported by the puc(4) glue driver, uncomment the following
-# line to enable it (connects to the sio and/or ppc drivers):
+# line to enable it (connects to sio, uart and/or ppc drivers):
 #device		puc
 
 # PCI Ethernet NICs.
diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC
index 861bb462a89..7ba46da677d 100644
--- a/sys/amd64/conf/GENERIC
+++ b/sys/amd64/conf/GENERIC
@@ -164,6 +164,7 @@ device		cardbus		# CardBus (32-bit) bus
 
 # Serial (COM) ports
 device		sio		# 8250, 16[45]50 based serial ports
+device		uart		# Generic UART driver
 
 # Parallel port
 device		ppc
@@ -175,7 +176,7 @@ device		ppi		# Parallel port interface device
 
 # If you've got a "dumb" serial or parallel PCI card that is
 # supported by the puc(4) glue driver, uncomment the following
-# line to enable it (connects to the sio and/or ppc drivers):
+# line to enable it (connects to sio, uart and/or ppc drivers):
 #device		puc
 
 # PCI Ethernet NICs.
diff --git a/sys/i386/conf/GENERIC b/sys/i386/conf/GENERIC
index d07fc46e18c..d9be28da1ec 100644
--- a/sys/i386/conf/GENERIC
+++ b/sys/i386/conf/GENERIC
@@ -176,6 +176,7 @@ device		cardbus		# CardBus (32-bit) bus
 
 # Serial (COM) ports
 device		sio		# 8250, 16[45]50 based serial ports
+device		uart		# Generic UART driver
 
 # Parallel port
 device		ppc
@@ -187,7 +188,7 @@ device		ppi		# Parallel port interface device
 
 # If you've got a "dumb" serial or parallel PCI card that is
 # supported by the puc(4) glue driver, uncomment the following
-# line to enable it (connects to the sio and/or ppc drivers):
+# line to enable it (connects to sio, uart and/or ppc drivers):
 #device		puc
 
 # PCI Ethernet NICs.