diff --git a/src/mainboard/asus/p8x7x-series/acpi/platform.asl b/src/mainboard/asus/p8x7x-series/acpi/platform.asl
index b5c3fc333a..d7dcaeeec5 100644
--- a/src/mainboard/asus/p8x7x-series/acpi/platform.asl
+++ b/src/mainboard/asus/p8x7x-series/acpi/platform.asl
@@ -12,10 +12,12 @@ Method(_PTS, 1)
 	{
 	    BLINK_POWER_LED = 1
 	}
+	\_SB.PCI0.LPCB.SIO0.SIOS(Arg0)
 }
 
 Method(_WAK, 1)
 {
 	BLINK_POWER_LED = 0
+	\_SB.PCI0.LPCB.SIO0.SIOW(Arg0)
 	Return(Package(){0, 0})
 }
diff --git a/src/mainboard/asus/p8x7x-series/acpi/superio.asl b/src/mainboard/asus/p8x7x-series/acpi/superio.asl
index 55b1db5b11..3fb0be5bef 100644
--- a/src/mainboard/asus/p8x7x-series/acpi/superio.asl
+++ b/src/mainboard/asus/p8x7x-series/acpi/superio.asl
@@ -1,3 +1,31 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
+#define SUPERIO_DEV		SIO0
+#define SUPERIO_PNP_BASE	CONFIG_SUPERIO_NUVOTON_PNP_BASE
 
-#include <drivers/pc80/pc/ps2_controller.asl>
+/* Defines to have ASLs below make visible some devices */
+#if !CONFIG(NO_UART_ON_SUPERIO)
+#define NCT677X_SHOW_SP1
+#endif
+
+/* TODO: Exclude next lines for variants without PS/2 port */
+#define NCT677X_SHOW_KBC
+#define SUPERIO_KBC_PS2KID	PS2K
+#define SUPERIO_KBC_PS2MID	PS2M
+
+/*
+ * This series uses one of four SIO chips:
+ * NCT6776 (p8c_ws)
+ * NCT6779D
+ * NCT5535D
+ * IT8771E (P8H77-I and P8H77-V LE, both not yet supported)
+ *
+ * Include the correct ASL file.
+ */
+
+#if CONFIG(SUPERIO_NUVOTON_NCT6779D)
+#include <superio/nuvoton/nct6779d/acpi/superio.asl>
+#elif CONFIG(SUPERIO_NUVOTON_NCT5535D)
+#include <superio/nuvoton/nct5535d/acpi/superio.asl>
+#elif CONFIG(SUPERIO_NUVOTON_NCT6776)
+#include <superio/nuvoton/nct6776/acpi/superio.asl>
+#endif