4-12Chapter 4: Motherboard information5.Serial General Purpose Input/Output connectors(8-1 pin ISGPIO1, SGPIO1)The SGPIO 1 connectors are used for the Intel Rapid Storage TechnologyEnterprise SGPIO interface that controls the LED pattern generation, deviceinformation and general purpose data.•The ISGPIO 1 connector is for SATA connectors—ISAS connectors.