diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c
index 6fa2fe5..51c5be5 100644
--- a/board/solidrun/clearfog/clearfog.c
+++ b/board/solidrun/clearfog/clearfog.c
@@ -90,9 +90,14 @@
 
 	/* Apply runtime detection changes */
 	if (sr_product_is(&cf_tlv_data, "Clearfog GTR")) {
-		board_serdes_map[0].serdes_type = PEX0;
-		board_serdes_map[0].serdes_speed = SERDES_SPEED_5_GBPS;
-		board_serdes_map[0].serdes_mode = PEX_ROOT_COMPLEX_X1;
+		if (IS_ENABLED(CONFIG_CLEARFOG_GTR_SERDES0_SATA)) {
+			/* serdes 0 is sata (like clearfog pro) */
+		} else if (IS_ENABLED(CONFIG_CLEARFOG_GTR_SERDES0_PCIE)) {
+			/* serdes 0 is pci */
+			board_serdes_map[0].serdes_type = PEX0;
+			board_serdes_map[0].serdes_speed = SERDES_SPEED_5_GBPS;
+			board_serdes_map[0].serdes_mode = PEX_ROOT_COMPLEX_X1;
+		}
 	} else if (sr_product_is(&cf_tlv_data, "Clearfog Pro")) {
 		/* handle recognized product as noop, no adjustment required */
 	} else if (sr_product_is(&cf_tlv_data, "Clearfog Base")) {