diff --git a/sys/dev/disk/nata/ata-chipset.c b/sys/dev/disk/nata/ata-chipset.c
index 7e9228d..79ce2b6 100644
--- a/sys/dev/disk/nata/ata-chipset.c
+++ b/sys/dev/disk/nata/ata-chipset.c
@@ -1273,9 +1273,12 @@ ata_ati_ident(device_t dev)
     {{ ATA_ATI_IXP200,    0x00, 0,        0, ATA_UDMA5, "IXP200" },
      { ATA_ATI_IXP300,    0x00, 0,        0, ATA_UDMA6, "IXP300" },
      { ATA_ATI_IXP400,    0x00, 0,        0, ATA_UDMA6, "IXP400" },
+     { ATA_ATI_SB600,     0x00, 0,        0, ATA_UDMA6, "SB600"  },
      { ATA_ATI_IXP300_S1, 0x00, SIIMEMIO, 0, ATA_SA150, "IXP300" },
      { ATA_ATI_IXP400_S1, 0x00, SIIMEMIO, 0, ATA_SA150, "IXP400" },
      { ATA_ATI_IXP400_S2, 0x00, SIIMEMIO, 0, ATA_SA150, "IXP400" },
+     { ATA_ATI_SB600_S1,  0x00, SIIMEMIO, 0, ATA_SA300, "SB600"  },
+     { ATA_ATI_SB600_S2,  0x00, SIIMEMIO, 0, ATA_SA300, "SB600"  },
      { 0, 0, 0, 0, 0, 0}};
     char buffer[64];
 
diff --git a/sys/dev/disk/nata/ata-pci.h b/sys/dev/disk/nata/ata-pci.h
index c61f659..7f11c3b 100644
--- a/sys/dev/disk/nata/ata-pci.h
+++ b/sys/dev/disk/nata/ata-pci.h
@@ -107,9 +107,12 @@ struct ata_connect_task {
 #define ATA_ATI_IXP200          0x43491002
 #define ATA_ATI_IXP300          0x43691002
 #define ATA_ATI_IXP400          0x43761002
+#define	ATA_ATI_SB600		0x438c1002
 #define ATA_ATI_IXP300_S1       0x436e1002
 #define ATA_ATI_IXP400_S1       0x43791002
 #define ATA_ATI_IXP400_S2       0x437a1002
+#define	ATA_ATI_SB600_S1	0x43801002
+#define	ATA_ATI_SB600_S2	0x43811002
 
 #define ATA_CENATEK_ID          0x16ca
 #define ATA_CENATEK_ROCKET      0x000116ca