On the bottom side of the PCB, we can find lots of headers (from left to right):
-HDMI-SPDIF Header
-Infrared Module Header
-Front Panel Audio Header
-Floppy Connector
-COM port Header
-USB 3.0 Header
-4xUSB 2.0 Headers
-2x Chassis Fan Headers
-System Panel Header
-Chassis Speaker Header
-Power LED Header
Near the CMOS battery, we can find the Reset CMOS Jumper:
4 SATA3 connectors are supported by the Marvell SE9120, which supports NCQ, AHCI and “Hot Plug” functions:
The AMI UEFI with GUI support is written inside a 64Mb SPI Flash chip:
In the bottom right corner, we can find the LED display named by ASRock Dr. Debug, along with the Power and Reset buttons:
The board comes with no less than 10 SATA ports, the white ones being SATA3 and the blue ones SATA2:
Further up, we can find other two 3-pin fan headers along with the Front Panel 1394 one:
The memory slots are color coded, so we can identify the channels easier:
Between the memory slots and the VRM cooler, on the top part of the PCB we can find two CPU fan headers: