Asus RS724Q-E6/RS12 - Manual (Page 60)

4-14 Chapter 4: Motherboard information
4. LPC debug card connector (14-1 pin LPC1)
This is a low pin count interface used to plug in the LPC debug card.
5. Serial General Purpose Input/Output connector (6-1 pin SGPIO1)
This connector is used for the SGPIO peripherals for the LSI MegaRAID and
Intel Matrix RAID SATA LED.