Asus PRIME X370-A Manual page 16

1.2.2 Rear panel connectors
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11
1. PS/2 keyboard/mouse combo port. This port is for a PS/2 mouse or keyboard.
2. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
3. USB 3.1 Gen 1 ports. These two 9-pin Universal Serial Bus (USB) ports connect to
USB 3.1 Gen 1 devices.
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4. USB 3.1 Gen 2 ports (teal blue, Type A). These 9-pin Universal Serial Bus 3.1 (USB
3.1 Gen 2) ports are for USB 3.1 Gen 2 devices.
5. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub. Refer to the table below for the LAN port LED indications.
LAN port LED indications
Activity/Link LED
Status
Off
Orange
Orange (Blinking) Data activity
Orange (Blinking
then steady)
6. Line In port (light blue). This port connects to the tape, CD, DVD player, or other
audio sources.
7. Line Out port (lime). This port connects to a headphone or a speaker. In the 4.1, 5.1
and 7.1-channel configurations, the function of this port becomes Front Speaker Out.
8. Microphone port (pink). This port connects to a microphone.
Refer to the audio configuration table for the function of the audio ports in 2.1, 4.1, 5.1, or
7.1-channel configuration.
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USB 3.1 Gen 1 devices can only be used for data storage.
Due to the design of AMD AM4 series chipset, all USB devices connected to the USB
2.0 and USB 3.1 Gen 1 ports are controlled by the xHCI controller.
Description
No link
Linked
Ready to wake
up from S5 mode
3
9
Speed LED
Status Description
OFF 10Mbps connection
ORANGE 100Mbps connection
GREEN 1Gbps connection
Chapter 1: Product introduction
4 5
3
Activity Link
LED
LAN port
6 7
8
Speed
LED