#define PCI_SUBDEVICE_ID_OCTPRO422     0x0208
 #define PCI_SUBDEVICE_ID_POCTAL232     0x0308
 #define PCI_SUBDEVICE_ID_POCTAL422     0x0408
+#define PCI_VENDOR_ID_ADVANTECH                0x13fe
+#define PCI_DEVICE_ID_ADVANTECH_PCI3620        0x3620
 
 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */
 #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584        0x1584
 #endif
 
 static struct pci_device_id serial_pci_tbl[] = {
+       /* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */
+       {       PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620,
+               PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0,
+               pbn_b2_8_921600 },
        {       PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960,
                PCI_SUBVENDOR_ID_CONNECT_TECH,
                PCI_SUBDEVICE_ID_CONNECT_TECH_BH8_232, 0, 0,