6.Serial General Purpose Input/Output connector
This connector is used for the SGPIO peripherals for the LSI MegaRAID
SATA LED.
SDATAOUT0 SDATAOUT1 | GND SATA SLOAD SATA SCLK |
PIN1 SGPIO1
7.Serial General Purpose Input/Output connectors
These connector is used for the SAS chip SIO interface that controls the LED pattern generation, device information and general purpose data.
SIO DIN SIO DOUT GND | SIO DIN SIO DOUT GND |
SGPIO3 
SGPIO2
PIN 1 | PIN 1 |
GND GND SIO END SIO CLK | GND GND SIO END SIO CLK |
These connectors functions only when you install a PIKE SAS RAID card.
Chapter 4: Motherboard information |