--- linux-4.9.138/drivers/isdn/hardware/mISDN/hfcmulti.c~	2019-01-29 14:42:45.677068684 +0100
+++ linux-4.9.138/drivers/isdn/hardware/mISDN/hfcmulti.c	2019-03-09 23:24:53.216676274 +0100
@@ -5386,6 +5386,8 @@
 	  0xb761, 0, 0, H(33)}, /* BN2S PCIe */
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
 	  0xb762, 0, 0, H(34)}, /* BN4S PCIe */
+	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
+	  0xb742, 0, 0, H(34)}, /* Unlabelled PCIe HFC-4S */
 
 	/* Cards with HFC-8S Chip */
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,