diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index b930de50407aaac9536c9a74adb8b740ce3bae67..3f7da8cf3a80aa0b95b2d98875c3a742f50cd8d1 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -41,7 +41,8 @@ static u8 pc8736x_gpio_shadow[4];
 #define SIO_BASE2       0x4E	/* alt command-reg to check */
 
 #define SIO_SID		0x20	/* SuperI/O ID Register */
-#define SIO_SID_VALUE	0xe9	/* Expected value in SuperI/O ID Register */
+#define SIO_SID_PC87365	0xe5	/* Expected value in ID Register for PC87365 */
+#define SIO_SID_PC87366	0xe9	/* Expected value in ID Register for PC87366 */
 
 #define SIO_CF1		0x21	/* chip config, bit0 is chip enable */
 
@@ -91,13 +92,17 @@ static inline int superio_inb(int addr)
 
 static int pc8736x_superio_present(void)
 {
+	int id;
+
 	/* try the 2 possible values, read a hardware reg to verify */
 	superio_cmd = SIO_BASE1;
-	if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+	id = superio_inb(SIO_SID);
+	if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
 		return superio_cmd;
 
 	superio_cmd = SIO_BASE2;
-	if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+	id = superio_inb(SIO_SID);
+	if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
 		return superio_cmd;
 
 	return 0;