--- sys/dev/ata/ata-pci.h.orig	2007-07-09 10:50:35.000000000 +0200
+++ sys/dev/ata/ata-pci.h	2007-07-17 20:35:45.000000000 +0200
@@ -167,6 +167,10 @@
 #define ATA_I82801HB_S2         0x28258086
 #define ATA_I82801HBM_S1        0x28298086
 #define ATA_I82801HBM_S2        0x282a8086
+#define ATA_I82801IB_S1         0x29208086
+#define ATA_I82801IB_AH6        0x29228086
+#define ATA_I82801IB_AH4        0x29238086
+#define ATA_I82801IB_S2         0x29268086
 #define ATA_I31244              0x32008086
 
 #define ATA_ITE_ID              0x1283
--- sys/dev/ata/ata-chipset.c.orig	2007-07-09 10:50:35.000000000 +0200
+++ sys/dev/ata/ata-chipset.c	2007-07-17 20:35:35.000000000 +0200
@@ -1710,6 +1710,10 @@
      { ATA_I82801HB_AH6, 0, AHCI, 0x00, ATA_SA300, "ICH8" },
      { ATA_I82801HBM_S1, 0, AHCI, 0x00, ATA_SA300, "ICH8M" },
      { ATA_I82801HBM_S2, 0, AHCI, 0x00, ATA_SA300, "ICH8M" },
+     { ATA_I82801IB_S1,  0, AHCI, 0x00, ATA_SA300, "ICH9" },
+     { ATA_I82801IB_S2,  0, AHCI, 0x00, ATA_SA300, "ICH9" },
+     { ATA_I82801IB_AH4, 0, AHCI, 0x00, ATA_SA300, "ICH9" },
+     { ATA_I82801IB_AH6, 0, AHCI, 0x00, ATA_SA300, "ICH9" },
      { ATA_I31244,       0,    0, 0x00, ATA_SA150, "31244" },
      { 0, 0, 0, 0, 0, 0}};
     char buffer[64];