SATA III 6 Gbps PCI Express Controller Card (2 Usable/Switchable Internal or eSATA Ports)
Jumpers Settings:Use only the 2 Internal SATA ports - Jumpers of LEFT and RIGHT blocks are connected to the TOP 2 pins.(Original Default)Use only the 2 External eSATA ports - Jumpers of LEFT and RIGHT blocks are connected to the BOTTOM 2 pins.(Some batch had this as default)Use top eSATA and right SATA ports - Jumpers of LEFT block are on the BOTTOM 2 pins and jumpers of Right block are on TOP 2 pins.Use bottom eSATA and left SATA ports - Jumpers of LEFT block are on TOP 2 pins and jumpers of RIGHT block are on BOTTOM 2 pins.