Upgrading Your Server 9-41
SGPIOA Connector
Used to connect with the first 3.5-inch disk cage in the lower slot (PORT0 to PORT3).
SGPIOB Connector
Used to connect with the additional 3.5-inch disk cage in the upper slot (PORT4 to PORT7).
Mother board
SGPIOB
SGPIOA
connector
connector
Install an optional RAID Controller (N8103-129/130) here.