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Rear panel connectors
1
9
1.
PS/2 mouse port (green). This port is for a PS/2 mouse.
2.
Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
3.
USB 3.0 ports. These 9-pin Universal Serial Bus (USB) ports are for USB 3.0 devices.
•
USB 3.0 devices can only be used for data storage.
•
We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance from your USB 3.0 devices.
•
Due to the design of the Intel
USB 2.0 and USB 3.0 ports are controlled by the xHCI controller. Some legacy USB
devices must update their firmware for better compatibility.
4.
LAN (RJ-45) port. This port allows Gigabit connection to a
Local Area Network (LAN) through a network hub.
LAN port LED indications
Activity/Link LED
Status
Off
Orange
Orange (Blinking)
Orange (Blinking
then steady)
ASUS PRIME B250M-J
2
®
Description
No link
Linked
Data activity
Ready to wake up
from S5 mode
3
200 series chipset, all USB devices connected to the
Speed LED
Status
OFF
ORANGE
GREEN
_
4
5 6
8
7
Speed
Activity Link
LED
LED
LAN port
Description
10Mbps connection
100Mbps connection
1Gbps connection
_
1-5
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