Index: drivers/storage/ide/uniata/bm_devs.h
===================================================================
--- drivers/storage/ide/uniata/bm_devs.h	(revision 74635)
+++ drivers/storage/ide/uniata/bm_devs.h	(working copy)
@@ -155,7 +155,7 @@
 
     PCI_DEV_HW_SPEC_BM( 2920, 8086, 0x00, ATA_SA300, "Intel ICH9"       , I6CH | UNIATA_SATA                      ),
     PCI_DEV_HW_SPEC_BM( 2926, 8086, 0x00, ATA_SA300, "Intel ICH9"       , I6CH2 | UNIATA_SATA                     ),
-    PCI_DEV_HW_SPEC_BM( 2921, 8086, 0x00, ATA_SA300, "Intel ICH9"       , UNIATA_SATA | UNIATA_AHCI               ),/* ??? */
+    PCI_DEV_HW_SPEC_BM( 2921, 8086, 0x00, ATA_UDMA5, "Intel ICH9"       , 0                                       ),
     PCI_DEV_HW_SPEC_BM( 2922, 8086, 0x00, ATA_SA300, "Intel ICH9"       , UNIATA_SATA | UNIATA_AHCI               ),
     PCI_DEV_HW_SPEC_BM( 2923, 8086, 0x00, ATA_SA300, "Intel ICH9"       , UNIATA_SATA | UNIATA_AHCI               ),
     PCI_DEV_HW_SPEC_BM( 2925, 8086, 0x00, ATA_SA300, "Intel ICH9"       , UNIATA_SATA | UNIATA_AHCI               ),