diff --git a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio_early.c b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio_early.c
index 3ea21e0321..ea3ec6d0ae 100644
--- a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio_early.c
+++ b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/gpio_early.c
@@ -14,6 +14,9 @@ static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1),
 	PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),
 	PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1),
+
+	/* BMC POST_COMPLETE */
+	PAD_CFG_GPO(GPP_B20, 0, PLTRST),
 };
 
 void mainboard_configure_early_gpios(void)
diff --git a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/overridetree.cb b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/overridetree.cb
index 8bf60d3894..5845607142 100644
--- a/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/overridetree.cb
+++ b/src/mainboard/supermicro/x11-lga1151-series/variants/x11ssm-f/overridetree.cb
@@ -91,6 +91,7 @@ chip soc/intel/skylake
 			chip drivers/ipmi
 				use pch_gpio as gpio_dev
 				register "bmc_jumper_gpio" = "GPP_D22" # JPB1
+				register "post_complete_gpio" = "GPP_B20"
 				# On cold boot it takes a while for the BMC to start the IPMI service
 				register "wait_for_bmc" = "1"
 				register "bmc_boot_timeout" = "60"