The Realtek RTL8111E Single-Chip Gigabit Ethernet Controller can be found near the two USB 2.0 headers:
On the same side we can find the Realtek ALC662, which is a 5.1 Channel High Definition Audio Codec:
On the top left side of the PCB, we can find the 4-pin ATX 12V header, along with the blue COM header:
A red Front Audio header can be found between the LAN controller and the audio Codec:
Also, a SPDIF_OUT header is located on the bottom side of the PCB:
On the bottom, we can find the Front Panel header, one PCI-Express x16 slot, two SATA ports, and a 4-pin fan header:
The CIR header can be found between the 24-pin ATX power header and the memory slots:
A buzzer header can be located on the top right side of the PCB:
The only inconveniently placed component on this motherboard is the second 4-pin fan header, right under the CPU heatsink:
The back panel connectors are the following:
-PS/2 Keyboard Port
-6 USB 2.0 ports
-VGA Port
-DVI Port
-HDMI Port
-LAN Port
-Audio jacks