This is the hwID dump with the bios setting @ auto raid/ata ... dumped using the savehwids.exe tool while in Windows 7 64bit
RAID Devices
============
PCI\VEN_8086&DEV_3B20&SUBSYS_02DA1028&REV_05\3&172E68DD&0&FA
Name: Standard Dual Channel PCI IDE Controller
Hardware ID's:
PCI\VEN_8086&DEV_3B20&SUBSYS_02DA1028&REV_05
PCI\VEN_8086&DEV_3B20&SUBSYS_02DA1028
PCI\VEN_8086&DEV_3B20&CC_01018F
PCI\VEN_8086&DEV_3B20&CC_0101
Compatible ID's:
PCI\VEN_8086&DEV_3B20&REV_05
PCI\VEN_8086&DEV_3B20
PCI\VEN_8086&CC_01018F
PCI\VEN_8086&CC_0101
PCI\VEN_8086
PCI\CC_01018F
PCI\CC_0101
PCI\VEN_8086&DEV_3B26&SUBSYS_02DA1028&REV_05\3&172E68DD&0&FD
Name: Standard Dual Channel PCI IDE Controller
Hardware ID's:
PCI\VEN_8086&DEV_3B26&SUBSYS_02DA1028&REV_05
PCI\VEN_8086&DEV_3B26&SUBSYS_02DA1028
PCI\VEN_8086&DEV_3B26&CC_010185
PCI\VEN_8086&DEV_3B26&CC_0101
Compatible ID's:
PCI\VEN_8086&DEV_3B26&REV_05
PCI\VEN_8086&DEV_3B26
PCI\VEN_8086&CC_010185
PCI\VEN_8086&CC_0101
PCI\VEN_8086
PCI\CC_010185
PCI\CC_0101
PCI\VEN_8086&DEV_3B66&SUBSYS_02DA1028&REV_06\3&172E68DD&0&B2
Name: Standard Dual Channel PCI IDE Controller
Hardware ID's:
PCI\VEN_8086&DEV_3B66&SUBSYS_02DA1028&REV_06
PCI\VEN_8086&DEV_3B66&SUBSYS_02DA1028
PCI\VEN_8086&DEV_3B66&CC_010185
PCI\VEN_8086&DEV_3B66&CC_0101
Compatible ID's:
PCI\VEN_8086&DEV_3B66&REV_06
PCI\VEN_8086&DEV_3B66
PCI\VEN_8086&CC_010185
PCI\VEN_8086&CC_0101
PCI\VEN_8086
PCI\CC_010185
PCI\CC_0101