User's guide for the Sonnet Fusion R400Q 4-bay Serial ATA rack mount drive enclosure with quad interface. These directions apply to storage systems without drives.
Set Windows Device Policy to "Optimize for performance":
1) Click on "Start," right click "My Computer," and select "Manage" from the popup menu.
2) On the left panel tree, select "Disk Management."
3) Highlight the Sonnet Fusion Volume and select "Properties" from the popup menu.
4) Select the "Hardware" tab.
5) Highlight the Sonnet Fusion Volume and click the "Properties" button.
6) Select the "Policies" tab.
7) Select the "Optimize for Performance" radio button.
8) Click OK and exit.
Note: Make sure to use "Safe Removal" before disconnecting a Fusion storage system.
You are using a SATA port that is not port-multiplier aware. For example, the internal SATA ports in a Mac Pro that may be brought to the PCIe rear panel via an eSATA extender cable are not port-multiplier aware. All of Sonnet's Tempo SATA cards with external ports are port-multiplier aware.