88SE91xx SATA/IDE Controllers Chipsets
Marvell 88SE91xx chipsets are SATA / IDE controllers. Marvell doesn't provide public information for these chipsets on their website. The only page for their SATA chipsets is: Product Selector
For Marvell the 88SE91xx chips, there is a product brief document .
Read more about this topic: List Of Marvell Technology Group Chipsets