Index: src/sys/dev/uart/uart_bus_acpi.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/uart/uart_bus_acpi.c,v
retrieving revision 1.3
diff -u -r1.3 uart_bus_acpi.c
--- src/sys/dev/uart/uart_bus_acpi.c	6 Jan 2005 01:43:26 -0000	1.3
+++ src/sys/dev/uart/uart_bus_acpi.c	1 Nov 2009 19:40:51 -0000
@@ -59,6 +59,7 @@
 static struct isa_pnp_id acpi_ns8250_ids[] = {
 	{0x0005d041, "Standard PC COM port"},		/* PNP0500 */
 	{0x0105d041, "16550A-compatible COM port"},	/* PNP0501 */
+	{0x04f0235c, "Wacom Tablet PC Screen"},		/* WACF004 */
 	{0}
 };