diff --git a/src/northbridge/intel/sandybridge/early_init.c b/src/northbridge/intel/sandybridge/early_init.c
index b060831..c184fa2 100644
--- a/src/northbridge/intel/sandybridge/early_init.c
+++ b/src/northbridge/intel/sandybridge/early_init.c
@@ -97,7 +97,8 @@
 	case 0x0116: /* GT2 Mobile */
 	case 0x0122: /* GT2 Desktop >=1.3GHz */
 	case 0x0126: /* GT2 Mobile >=1.3GHz */
-	case 0x0166: /* IvyBridge ??? */
+	case 0x0156: /* IvyBridge */
+	case 0x0166: /* IvyBridge */
 		break;
 	default:
 		printk(BIOS_DEBUG, "Graphics not supported by this CPU/chipset.\n");
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 8c09571..52707bd 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -318,6 +318,7 @@
 	case 0x80860116:		/* GT2 Mobile */
 	case 0x80860122:		/* GT2 Desktop >=1.3GHz */
 	case 0x80860126:		/* GT2 Mobile >=1.3GHz */
+	case 0x80860156:                /* IVB */
 	case 0x80860166:                /* IVB */
 		new_vendev=0x80860106;	/* GT1 Mobile */
 		break;
@@ -660,7 +661,7 @@
 };
 
 static const unsigned short gma_ids[] = {
-	0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x166,
+	0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x0156, 0x166,
 	0,
 };
 static const struct pci_driver gma_gt1_desktop __pci_driver = {