User guide

ASUS All-in-One PC ET223 and ET203
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USB 3.0 ports
These Universal Serial Bus 3.0 (USB 3.0) ports connect
to USB 3.0 devices such as a mouse, printer, scanner,
camera, and others.
USB 2.0 ports
These USB (Universal Serial Bus) ports are compatible
with USB 2.0 or USB 1.1 devices such as keyboards,
pointing devices, ash disk drives, external HDDs,
speakers, cameras, and printers.
IMPORTANT! The two (2) USB 2.0 ports are available on
ET203 Series models only.
Random-access memory module (RAM)
compartment
This compartment secures the RAM (random-access
memory) module of your All-in-One PC.
IMPORTANT! For more information on how to add
or upgrade the RAM module, refer to the Installing a
Random-access Memory module section.