Asus Pedestal/5U Rackmount Server TS500-E4 Server - Manual (Page 92)

4-16 Chapter 4: Motherboard information
12. Serial General Purpose Input/Output connector (6-1 pin SGPIO1)
This connector is used to the SGPIO peripherals for the LSI MegaRAID
SATA LED.
DSBV
-D
DSBV-D SGPIO connector
SGPIO1
1
GND
SA
TA_SCLK
SA
TA_SLOAD
SD
AT
AOUT1
SD
AT
AOUT0