Array Configuration Utility not finding controller

Based on recommendation in prior question, I downloaded HP's ACU so I can view and configure my RAID1.  The ACU installed, but when I start it, I get:

ACU did not detect any supported controllers in your system.

I have 2 drives, currently not mirrored. Drive 1 is partitioned as C and D (user drive).  Second drive is Dynamic and unallocated.

As you may guess, I am not a hardware person!  Ideas?
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Dr. KlahnPrincipal Software EngineerCommented:
If the RAID controller is working, then the key phrase is probably "supported controllers."  The configuration utility in question may not support your hardware.  Check the documentation for the ACU to see which controllers it supports.

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lbitAuthor Commented:
Here's where my hardware ignorance really shows...I have the original order/config from the server, and it says "4 port embedded SATA controller".  Included in the file from the original packaging is a flyer with "important information using the HP smart array E200 Controller".  And the E200 is supported by the ACU.  

How do I confirm the model/type of controller?
Dr. KlahnPrincipal Software EngineerCommented:
Sometimes the documents shipped with a system are a generic package that covers all possible configurations of that system.  The flyer may or may not apply to your system.

When a controller is "embedded", it usually means "on the motherboard."  This can be confirmed if the RAID array is cabled directly to the motherboard, not to an expansion card.  The manual for the motherboard will have a technical specifications section, and somewhere in that section it will state what controllers are on the motherboard, who manufactured the controllers, and the controller types or model numbers.  In this case, see the "Note" below.

On the other hand, if the RAID array is cabled to an expansion card, then pull out the expansion card, look it over carefully, jot down anything that looks like manufacturer, model number or chipset ID, and then Google that info.

The gripping hand is, no matter where the controller is located, you can always use a device identification utility.  A decent free one can be downloaded here:

This lists the ID strings of all PCI-compliant devices in the system, and make a guess at what they are.  Given the device ID string, you can chase it back to the manufacturer by the manufacturer substring, and the device type by the device-ID substring.

Note:  Even if the ACU appears to support the device / chipset in question, if the controller is embedded on the motherboard, it may have a unique vendor-specific ID that the ACU does not recognize.  In that case, it would be necessary to go to the system or motherboard manufacturer's web site and see what utilities are available for that system / motherboard.

Good luck with your search.
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