Rear view, Information on usb 3.0 – Acer Aspire M3-581PT User Manual
Page 9
7
English
Rear view
#
Icon
Item
Description
1
Ventilation and cooling
fan
Allows the computer to stay cool.
Do not cover or obstruct the openings.
2
Headset/speaker jack
Connects to audio devices (e.g.,
speakers, headphones) or a headset with
microphone.
3
USB ports
Connects to USB devices.
If a port is black it is USB 2.0 compatible,
if it is blue it is also USB 3.0 compatible
(see below).
4
USB port with power-
off charging
5
HDMI port
Supports high-definition digital video
connections.
6
Ethernet (RJ-45) port
Connects to an Ethernet 10/100/1000-
based network.
7
DC-in jack
Connects to an AC adapter.
Information on USB 3.0
•
Compatible with USB 3.0 and earlier devices.
•
For optimal performance, use USB 3.0-certified devices.
•
Defined by the USB 3.0 specification (SuperSpeed USB).