diff --git a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio.c b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio.c
index dc41573224..335171e446 100644
--- a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio.c
+++ b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio.c
@@ -80,13 +80,13 @@ static const struct pad_config gpio_table[] = {
 	PAD_NC(GPP_C19, NONE),
 	PAD_NC(GPP_C20, NONE),
 	PAD_NC(GPP_C21, NONE),
-	PAD_CFG_GPI_SMI(GPP_C22, UP_20K, DEEP, EDGE_SINGLE, NONE),
+	PAD_CFG_GPI_SMI_LOW(GPP_C22, UP_20K, DEEP, EDGE_SINGLE), /* BMC SMI# */
 	PAD_NC(GPP_C23, NONE),
 
 	/* GPIO Group GPP_D */
 	PAD_NC(GPP_D0, NONE),
 	PAD_CFG_GPO_GPIO_DRIVER(GPP_D1, 1, DEEP, NONE),
-	PAD_CFG_GPI_NMI(GPP_D2, UP_20K, DEEP, EDGE_SINGLE, NONE),
+	PAD_CFG_GPI_NMI(GPP_D2, UP_20K, DEEP, EDGE_SINGLE, INVERT), /* BMC NMI# */
 	PAD_NC(GPP_D3, NONE),
 	PAD_CFG_GPO_GPIO_DRIVER(GPP_D4, 0, PLTRST, NONE),
 	PAD_NC(GPP_D5, NONE),
@@ -116,7 +116,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_NC(GPP_E3, NONE),
 	PAD_NC(GPP_E4, NONE),
 	PAD_NC(GPP_E5, NONE),
-	PAD_CFG_GPI_NMI(GPP_E6, UP_20K, PLTRST, EDGE_SINGLE, NONE),
+	PAD_CFG_GPI_NMI(GPP_E6, UP_20K, PLTRST, EDGE_SINGLE, INVERT), /* NMI# (BMC WDT + JF1) */
 	PAD_NC(GPP_E7, NONE),
 	PAD_CFG_NF(GPP_E8, NONE, DEEP, NF1),
 	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1),
@@ -169,8 +169,8 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_GPI_INT(GPP_G15, NONE, PLTRST, OFF),
 	PAD_CFG_GPI_INT(GPP_G16, NONE, PLTRST, OFF),
 	PAD_NC(GPP_G17, NONE),
-	PAD_CFG_NF(GPP_G18, NONE, DEEP, NF1),
-	PAD_CFG_NF(GPP_G19, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_G18, NONE, DEEP, NF1), /* BMC NMI# */
+	PAD_CFG_NF(GPP_G19, NONE, DEEP, NF1), /* BMC SMI# */
 	PAD_NC(GPP_G20, NONE),
 	PAD_NC(GPP_G21, NONE),
 	PAD_NC(GPP_G22, NONE),