diff --git a/cm108.c b/cm108.c
index 4ec4ae0..cb713dd 100644
--- a/cm108.c
+++ b/cm108.c
@@ -149,6 +149,7 @@ static int cm108_write (char *name, int iomask, int iodata);
 #define CMEDIA_PID_CM108B	0x0012		// CM108B
 #define CMEDIA_PID_CM119A	0x013a		// CM119A
 #define CMEDIA_PID_CM119B	0x0013		// CM119B
+#define CMEDIA_PID_HS100	0x013c		// HS100
 
 // The SSS chips seem to be pretty much compatible but they have only two GPIO.
 // https://irongarment.wordpress.com/2011/03/29/cm108-compatible-chips-with-gpio/
@@ -169,6 +170,7 @@ static int cm108_write (char *name, int iomask, int iodata);
 //	CM119		0d8c	0008-000f *	8
 //	CM119A		0d8c	013a *		8
 //	CM119B		0d8c	0013		8
+//	HS100		0d8c	013c		0
 //
 //	SSS1621		0c76	1605		2 	per ZL3AME, Can't find data sheet
 //	SSS1623		0c76	1607,160b	2	per ZL3AME, Not in data sheet.