diff --git a/src/mainboard/hp/snb_ivb_desktops/cmos.layout b/src/mainboard/hp/snb_ivb_desktops/cmos.layout
index 1fc83b1a55..ac486e553c 100644
--- a/src/mainboard/hp/snb_ivb_desktops/cmos.layout
+++ b/src/mainboard/hp/snb_ivb_desktops/cmos.layout
@@ -23,7 +23,7 @@ entries
 421	1	e	9	sata_mode
 
 # coreboot config options: northbridge
-432	3	e	11	gfx_uma_size
+432	4	e	11	gfx_uma_size
 
 448	128	r	0	vbnv
 
@@ -67,6 +67,15 @@ enumerations
 11	4	160M
 11	5	192M
 11	6	224M
+11	7	256M
+11	8	288M
+11	9	320M
+11	10	352M
+11	11	384M
+11	12	416M
+11	13	448M
+11	14	480M
+11	15	512M
 
 # -----------------------------------------------------------------
 checksums