Asus P9D-MH/SAS/10G-DUAL - Manual (Page 48)

2-28 Chapter 2: Hardware information
4. RAID configuration utility selection (3-pin RAID_SEL1)
This jumper allows you to select the RAID configuration utility to use when you
create disk arrays. Place the jumper caps to pins 2–3 to use the Intel
® Rapid Storage
Technology.
5. SFP+12 LED connectors (5-1 pin LAN34_LED1)
These leads are for 10Gb LAN activity LEDs on the front panel. Connect the LAN LED
cable to the backplane for LAN activity indication.
The P9D-MH/SAS/10G-DUAL have SFP+_1, SFP+_2, SFP+_LED1, and SFP+_LED2.
P9D-MH/SAS/10G-SINGLE only have SPF+_1 and SFP+_LED1.