You need to update the BIOS to Version 2.55 Rev A or newer available here: http://h20565.www2.hp.com/hpsc/swd/public/readIndex?sp4ts.oid=5228610&lang=en&cc=us
No. There is something non-standard about these products that are not supported by in-box AHCI SATA drivers. There is nothing Sonnet can do to fix this.