diff --git a/sys/dev/ti/if_ti.c b/sys/dev/ti/if_ti.c
index 8748f26ec0b..5b00f305d77 100644
--- a/sys/dev/ti/if_ti.c
+++ b/sys/dev/ti/if_ti.c
@@ -144,6 +144,8 @@ static struct ti_type ti_devs[] = {
 		"Netgear GA620 Gigabit Ethernet" },
 	{ SGI_VENDORID, SGI_DEVICEID_TIGON,
 		"Silicon Graphics Gigabit Ethernet" },
+	{ DEC_VENDORID, DEC_DEVICEID_FARALLON_PN9000SX,
+		"Farallon PN9000SX Gigabit Ethernet" },
 	{ 0, 0, NULL }
 };
 
diff --git a/sys/dev/ti/if_tireg.h b/sys/dev/ti/if_tireg.h
index b66303bb2ea..8b7d5b146ab 100644
--- a/sys/dev/ti/if_tireg.h
+++ b/sys/dev/ti/if_tireg.h
@@ -79,6 +79,13 @@
 #define SGI_VENDORID			0x10A9
 #define SGI_DEVICEID_TIGON		0x0009
 
+/*
+ * DEC vendor ID, Farallon device ID. Apparently, Farallon used
+ * the DEC vendor ID in their cards by mistake.
+ */
+#define DEC_VENDORID			0x1011
+#define DEC_DEVICEID_FARALLON_PN9000SX	0x001a
+
 /*
  * Tigon configuration and control registers.
  */
diff --git a/sys/pci/if_ti.c b/sys/pci/if_ti.c
index 8748f26ec0b..5b00f305d77 100644
--- a/sys/pci/if_ti.c
+++ b/sys/pci/if_ti.c
@@ -144,6 +144,8 @@ static struct ti_type ti_devs[] = {
 		"Netgear GA620 Gigabit Ethernet" },
 	{ SGI_VENDORID, SGI_DEVICEID_TIGON,
 		"Silicon Graphics Gigabit Ethernet" },
+	{ DEC_VENDORID, DEC_DEVICEID_FARALLON_PN9000SX,
+		"Farallon PN9000SX Gigabit Ethernet" },
 	{ 0, 0, NULL }
 };
 
diff --git a/sys/pci/if_tireg.h b/sys/pci/if_tireg.h
index b66303bb2ea..8b7d5b146ab 100644
--- a/sys/pci/if_tireg.h
+++ b/sys/pci/if_tireg.h
@@ -79,6 +79,13 @@
 #define SGI_VENDORID			0x10A9
 #define SGI_DEVICEID_TIGON		0x0009
 
+/*
+ * DEC vendor ID, Farallon device ID. Apparently, Farallon used
+ * the DEC vendor ID in their cards by mistake.
+ */
+#define DEC_VENDORID			0x1011
+#define DEC_DEVICEID_FARALLON_PN9000SX	0x001a
+
 /*
  * Tigon configuration and control registers.
  */