Asus GT51CH User Manual page 13

Rear panel
PS/2 Mouse/Keyboard combo port. This port connects to a PS/2 mouse or PS/2
keyboard.
USB 2.0 ports. These Universal Serial Bus 2.0 (USB 2.0) ports connect to USB 2.0 devices
such as a mouse, printer, scanner, camera, PDA, and others.
USB 3.1 Gen 1 ports. These ports connect to USB 3.1 Gen 1 devices such as a mouse,
printer, scanner, camera, PDA, and others.
Optical S/PDIF Out port. This port connects an external audio output device via an
optical S/PDIF cable.
Rear Speaker Out port (black). This port connects to the rear speakers in a 4, 6, and
8-channel audio configuration.
Center/Subwoofer port (orange). This port connects to the center/subwoofer
speakers.
Microphone port (pink). This port connects to a microphone.
Line Out port (lime). This port connects to a headphone or speaker. In a 4.1, 5.1,
or 7.1-channel configuration, the function of this port becomes Front Speaker Out.
Supported by ASUS Audio Wizard.
Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio
sources.
ASUS GT51CH 13