Asus Z8PH-D12/IFB - Manual (Page 47)

ASUS Z8NH-D12 Series 2-29
5. LPC debug card connector (14-1 pin LPC1)
This is a low pin count interface used to plug in the LPC debug card.
6. 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.