I did the same process as Mike mentions when we first got our Optiplex 755's, 760's and Latitude E series laptops. Here's my reg files that I had to inject into my image for the 755 and 760. In addition, I added the latest drivers in the appropriate locations on my master image. With regards to the reg files, the best thing is to do the compare process like Mike mentions on your own so my little disclaimer is to
***Use this info at your own risk***.
AHCI Registry Entries for Optiplex 755 – install on master image before sysprep and have CD with drivers in CD drive during sysprep:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2922&cc_0106]
"Service"="iaStor"
"ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor]
"Type"=dword:00000001
"Start"=dword:00000000
"Group"="SCSI miniport"
"ErrorControl"=dword:00000001
"ImagePath"="system32\\drivers\\iaStor.sys"
"tag"=dword:00000019
"DisplayName"="Intel AHCI Controller"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters]
"queuePriorityEnable"=dword:00000000
"BusType"=dword:00000003
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\PnpInterface]
"5"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port0]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port1]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port2]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port3]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port4]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Parameters\Port5]
"AN"=dword:00000000
"LPM"=dword:00000000
"LPMSTATE"=dword:00000000
"LPMDSTATE"=dword:00000001
"GTF"=dword:00000000
"DIPM"=dword:00000000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Enum]
"0"="PCI\\VEN_8086&DEV_2922&SUBSYS_02111028&REV_02\\3&172e68dd&0&FA"
"Count"=dword:00000001
"NextInstance"=dword:00000001
AHCI Registry Entries for 760, E6400 and E6500 computers – install on master image before sysprep and have CD with drivers in CD drive during sysprep:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3a02&cc_0106]
"Service"="iaStor"
"ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iastor\Enum]
"0"="PCI\\VEN_8086&DEV_2922&SUBSYS_02111028&REV_02\\3&172e68dd&0&FA"
"Count"=dword:00000002
"NextInstance"=dword:00000002
"1"="PCI\\VEN_8086&DEV_3A02&SUBSYS_027F1028&REV_02\\3&172e68dd&0&FA"