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Best solution
Storage Expert
>
Should I adjust both options to AHCI?
No. As I explained above, Intel strongly recommends that you start out
with the Intel chipset initialized to RAID: this makes it a LOT easier
to migrate from JBOD (non-RAID) to RAID mode at a future date.
Since you want the HDD's interface to operate at 6G,
you'll need to set the Marvell controlled to AHCI mode
and wire your Caviar Black to one of the gray ports.
AHCI supports native
command queuing (NCQ), and
you definitely want that feature operational with
the Caviar Black, which is a very sophisticated HDD.
One thing is generally true about most ASUS motherboards:
the extra controllers that are installed on those motherboards
all need their own device drivers, so you'll need to find a
working PC in order to extract the Marvell device driver
from the Support CD.
You may also want to enable the Marvell Option ROM,
so you can invoke it after exiting the BIOS the first time:
it will allow you to confirm that the Marvell controller
sees and correctly identifies the WD Caviar Black.
After exiting the Marvell Option ROM, you should
also go back into the BIOS to make sure that
the Caviar Black shows up in the list of possible
boot devices (e.g. under Boot Priority).
Of course, to run Windows Setup the Boot Priority
will need to be set to boot from the optical drive.
One last thing: I assume that your optical drive
is also SATA, so you'll need to decide which SATA port
to connect it to. Generally, it's best to install your OS
with only a single HDD connected to the motherboard.
Once it's installed and working, you can then enable
the other on-board functions one at a time.
There is another reason why this sequence is preferred:
Windows Plug-and-Play logic makes it very easy to
attach new devices, once the OS is correctly installed
and working.
So, my recommendation is to try installing the OS
with a SATA optical drive connected to the other
SATA/6G (gray) port. Since I don't have direct experience
with this approach, I can't give you any assurances:
please double-check your User Manual to see if
it is even possible to connect an optical drive
to that Marvell controller:
the problem that may arise is that you will be loading
the Marvell device driver AFTER the Windows Setup disc
has been read, and I don't know what Windows Setup
will do if it is required to change to a different device driver
for the Marvell controller "mid-stream".
Accordingly, if that approach fails, you'll need to
attach your optical drive to one of the P55's SATA/3G ports
instead.
Sorry I can't be more specific on this point, because
I just don't have direct first-hand experience with your motherboard
and your hardware configuration.
(In my opinion, Intel has been dragging its feet concerning
the SATA/6G standard, so the P55 chipset does not have
"native" support for 6G functionality.)
Please let me know how things turn out -- good or bad.
As my high school teacher always said:
"failure is a postponed success!"
MRFS