diff --git a/drivers/fxp/fxp.c b/drivers/fxp/fxp.c
index bc752527d..077c8b2ea 100644
--- a/drivers/fxp/fxp.c
+++ b/drivers/fxp/fxp.c
@@ -509,6 +509,9 @@ static int fxp_probe(fxp_t *fp, int skip)
 	case FXP_REV_82801DB:	str= "82801DB"; 		/* 0x81 */
 				fp->fxp_type= FT_82801;
 				break;
+	case FXP_REV_82550_4:	str= "82550(4)"; 		/* 0x83 */
+				fp->fxp_type= FT_82559;
+				break;
 	}
 
 #if VERBOSE
diff --git a/drivers/fxp/fxp.h b/drivers/fxp/fxp.h
index 638634ca9..58a7e93bb 100644
--- a/drivers/fxp/fxp.h
+++ b/drivers/fxp/fxp.h
@@ -29,6 +29,7 @@ Created:	Nov 2004 by Philip Homburg <philip@f-mnx.phicoh.com>
 #define FXP_REV_82551_2		0x10
 #define FXP_REV_82801CAM	0x42
 #define FXP_REV_82801DB		0x81
+#define FXP_REV_82550_4		0x83
 
 /* Control/Status Registers (CSR). The first 8 bytes are called
  * System Control Block (SCB)