The HP StorageWorks IO Accelerator is a custom version of the ioDrive specifically designed for HP BladeSystem server blades and workstation blades. HP provides its own driver install packages for each supported operating system.
Here are the specific links to the HP StorageWorks IO Accelerator resources from HP.
Product Information Page:
http://h18000.www1.hp.com/products/storageworks/io_accelerator/index.html
Drivers and Firmware (by product and Operating System):
http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=329290&prodSeriesId=3900933&taskId=135
Product Documentation (user guide, release notes, etc.):
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&lang=en&cc=us&docIndexId=64180&taskId=101&prodTypeId=329290&prodSeriesId=3900933
John Cagle, HP BladeSystem, IO Accelerator