diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/devicetree.cb
index 4da94d9734..d08ac368a4 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/devicetree.cb
@@ -64,11 +64,11 @@ chip soc/intel/elkhartlake
 	register "PcieClkSrcClkReq[5]" = "0xFF"
 
 	# Storage (SATA/SDCARD/EMMC) related UPDs
-	register "SataSalpSupport" = "1"
+	register "SataSalpSupport" = "0"
 	register "SataPortsEnable[0]" = "1"
 	register "SataPortsEnable[1]" = "1"
 	register "SataPortsDevSlp[0]" = "0"
-	register "SataPortsDevSlp[1]" = "1"
+	register "SataPortsDevSlp[1]" = "0"
 
 	register "ScsEmmcHs400Enabled" = "1"
 	register "ScsEmmcDdr50Enabled" = "1"