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AI Charger II LED indicator
This LED lights up when the AI Charger II port is in use.
Headphone output port
This port allows you to connect your ASUS All-in-One PC
to amplified speakers or headphones.
Microphone input combo port
This port allows you to connect your ASUS All-in-One PC
to an external microphone.
Optical Disc Drive manual eject hole
The manual eject hole is used to eject the drive tray in
case the electronic eject button does not work.
Optical Disk Drive electronic eject button
Press this button to eject the optical drive tray.
You can also eject the drive tray using your media player
or by right-clicking the optical drive icon in Windows
File Explorer and clicking Eject.
ASUS All-in-One PC ET223 and ET203
WARNING! Use the manual eject hole only when the
electronic eject button does not work.
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