Asus RS300-E8-RS4 - Manual (Page 38)

Chapter 2: Hardware setup 2-16
2.7 SATA/SAS backplane cabling
* For PIKE RAID solution, ensure to connect SAS_SGPIO_CON1 to support PIKE card SAS RAID
function.
Connect the SATAII/SAS HDDs Connects the data cables
connected to the motherboard
SGPIO_SEL jumper:
pins 1-2 (Onboard)
pins 2-3 (Add-on card)
SAS_SGPIO_CON1
connector*
Connects a 8-pin
plug from power
supply
RS300-E8-PS4 RS300-E8-RS4