diff --git a/sys/dev/uart/uart_bus_pci.c b/sys/dev/uart/uart_bus_pci.c
index 7d977a0d00c2..b2975020f268 100644
--- a/sys/dev/uart/uart_bus_pci.c
+++ b/sys/dev/uart/uart_bus_pci.c
@@ -121,6 +121,7 @@ static const struct pci_id pci_ns8250_ids[] = {
 { 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 },
 { 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller", 0x10 },
 { 0x8086, 0x2a07, 0xffff, 0, "Intel AMT - PM965/GM965 KT Controller", 0x10 },
+{ 0x8086, 0x2a47, 0xffff, 0, "Mobile 4 Series Chipset KT Controller", 0x10 },
 { 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 },
 { 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller",
 	0x10 },