diff --git a/src/include/smbios.h b/src/include/smbios.h
index f13d621..1210f0f 100644
--- a/src/include/smbios.h
+++ b/src/include/smbios.h
@@ -32,6 +32,7 @@
 	SMBIOS_MEMORY_DEVICE=17,
 	SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS=19,
 	SMBIOS_SYSTEM_BOOT_INFORMATION=32,
+	SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION=41,
 	SMBIOS_END_OF_TABLE=127,
 } smbios_struct_type_t;
 
@@ -187,6 +188,34 @@
 	u8 eos[2];
 } __attribute__((packed));
 
+typedef enum {
+	SMBIOS_DEVICE_TYPE_OTHER = 0x01,
+	SMBIOS_DEVICE_TYPE_UNKNOWN,
+	SMBIOS_DEVICE_TYPE_VIDEO,
+	SMBIOS_DEVICE_TYPE_SCSI,
+	SMBIOS_DEVICE_TYPE_ETHERNET,
+	SMBIOS_DEVICE_TYPE_TOKEN_RING,
+	SMBIOS_DEVICE_TYPE_SOUND,
+	SMBIOS_DEVICE_TYPE_PATA,
+	SMBIOS_DEVICE_TYPE_SATA,
+	SMBIOS_DEVICE_TYPE_SAS,
+} smbios_onboard_device_type;
+
+struct smbios_type41 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 reference_designation;
+	u8 device_type: 7;
+	u8 device_status: 1;
+	u8 device_type_instance;
+	u16 segment_group_number;
+	u8 bus_number;
+	u8 function_number: 3;
+	u8 device_number: 5;
+	char eos[2];
+} __attribute__((packed));
+
 struct smbios_type127 {
 	u8 type;
 	u8 length;