Table of Contents
Advertisement
IMB520R / 521R LGA1151 ATX Motherboard
2.5.5
LAN and USB 3.1 Connectors (CN5 and CN6)
The motherboard comes with two high performance plug and play Ethernet interfaces
(RJ-45) which are fully compliant with the IEEE 802.3 standard. Connection can be
established by plugging one end of the Ethernet cable into this RJ-45 connector and the
other end to a 1000/100/10 Base-T hub.
The Universal Serial Bus (compliant with USB 3.1 Gen2 (CN6) or USB3.1 Gen1 (CN5)
connectors on the rear I/O are for installing USB peripherals such as a keyboard, mouse,
scanner, etc.
Pin
LAN Signal
Tx+ (Data
L1
transmission positive)
Rx+ (Data reception
L3
positive)
L5
RJ-1 (For 1000
Base-T only)
L7
RJ-1 (For 1000
Base-T only)
A
100 LAN LED (Green)
/ 1000 LAN LED
(Orange)
Speed LED turns orange for 1000Mbps or green for 100Mbps. The light
is off for 10Mbps.
CN6 supports AMT and USB3.1 GEN 2 when the chipset is customized
Note
into Intel
Pin
USB Signal
1
USB3_POWER
3
USB1 +
5
USB3_SSRX1-
7
GND
9
USB3_SSTX1+
11
USB2 -
13
GND
15
USB3_SSRX2+
17
USB3_SSTX2-
2.5.6
Audio Jack (CN4)
Install an audio driver, and then attach audio devices to CN4.
Pin Color
Signal
Blue
Line-in
Green
Line-out
Pink
MIC-in
14
Pin
LAN Signal
Tx- (Data transmission
L2
negative)
RJ-1 (For 1000 Base-T
L4
only)
L6
Rx- (Data reception
negative)
L8
RJ-1 (For 1000 Base-T
only)
B
Active LED
®
Q370 & C246. Both CN5 and CN6 support Wake-on-LAN.
Pin
USB Signal
2
USB1 -
4
GND
6
USB3_SSRX1+
8
USB3_SSTX1-
10
USB3_POWER
12
USB2 +
14
USB3_SSRX2-
16
GND
18
USB3_SSTX2+
LAN
USB
Board and Pin Assignments
Advertisement
Table of Contents
