Index: src/sys/dev/ata/ata-chipset.c
===================================================================
RCS file: /ncvs/src/sys/dev/ata/ata-chipset.c,v
retrieving revision 1.212
diff -u -p -r1.212 ata-chipset.c
--- src/sys/dev/ata/ata-chipset.c	7 Mar 2008 09:29:19 -0000	1.212
+++ src/sys/dev/ata/ata-chipset.c	25 Mar 2008 10:33:59 -0000
@@ -1810,6 +1810,7 @@ ata_intel_ident(device_t dev)
      { ATA_I82801IB_AH2, 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_I82801IB_R1,  0, AHCI, 0x00, ATA_SA300, "ICH9" },
      { ATA_I31244,       0,    0, 0x00, ATA_SA150, "31244" },
      { 0, 0, 0, 0, 0, 0}};
 
Index: src/sys/dev/ata/ata-pci.h
===================================================================
RCS file: /ncvs/src/sys/dev/ata/ata-pci.h,v
retrieving revision 1.83
diff -u -p -r1.83 ata-pci.h
--- src/sys/dev/ata/ata-pci.h	7 Mar 2008 09:29:19 -0000	1.83
+++ src/sys/dev/ata/ata-pci.h	25 Mar 2008 10:33:59 -0000
@@ -176,6 +176,7 @@ struct ata_connect_task {
 #define ATA_I82801IB_AH2        0x29218086
 #define ATA_I82801IB_AH6        0x29228086
 #define ATA_I82801IB_AH4        0x29238086
+#define ATA_I82801IB_R1         0x29258086
 #define ATA_I82801IB_S2         0x29268086
 #define ATA_I31244              0x32008086