diff --git a/src/mainboard/amd/dbm690t/mptable.c b/src/mainboard/amd/dbm690t/mptable.c
index 7273b545f4..b776116754 100644
--- a/src/mainboard/amd/dbm690t/mptable.c
+++ b/src/mainboard/amd/dbm690t/mptable.c
@@ -134,6 +134,8 @@ void *smp_write_config_table(void *v)
 			 bus_isa, 0x6, apicid_sb600, 0x6);
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
 			 bus_isa, 0x7, apicid_sb600, 0x7);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			 bus_isa, 0xc, apicid_sb600, 0xc);
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
 			 bus_isa, 0xd, apicid_sb600, 0xd);
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,