The LED is on when the system is operating. The LED keeps blinking when the sys-tem is in S1 sleep state. Serial Ata3 sata3 Hard Disks Installation 2. You may install SATA3 hard disks on this motherboard for internal storage devices. This section will guide you to install the SATA3 hard disks. Motherboard ASRock FM2A75M-HD+ Drivers, utilities and instructions t Points of attention, before you process the Hot Plug: We can also see onboard headers for two USB 3. The[…]