Asus TW300-E5/PI4 - Manual (Page 18)

Chapter 1: Product introduction 1-6
1.5 Rear panel features
The rear panel includes a slot for the motherboard rear I/O ports, expansion slots,
a power supply module, and a vent for the system fan.
The ports for the PS/2 keyboard, PS/2 mouse, USB, VGA, and Gigabit LAN do
not appear on the rear panel if motherboard is not present.
Power supply module
Expansion slots
Power supply switch Power cord connector
PS/2 keyboard port
USB 2.0 ports
Optical S/PDIF Out port
8-channel audio
Coaxial S/PDIF Out port
USB 2.0 ports
USB 2.0 ports
External SATA ports
LAN1 (RJ-45) port
LAN2 (RJ-45) port
IEEE 1394a port
95mm system fan