Front Audio Header (Cn11); Pcie X16 Slot (Cn14); Com Headers (Com2 ~ Com6); External Sensor Header (Jp7) - AXIOMTEK IMB520R User Manual

2.5.7

Front Audio Header (CN11)

This is a front audio header (5x2-pin p=2.00mm) for convenient connection and control
of audio devices.
Pin Signal
1 MIC_IN
3 LINE_IN_L
5 LINE_IN_R
7 AUD_OUT_L
9 AUD_OUT_R
2.5.8

PCIe x16 slot (CN14)

CN14 JP10
x16(Default) 1-2
x8 x8 2-3
x8 x4 x4 2-3
2.5.9

COM Headers (COM2 ~ COM6)

The motherboard comes with 5x2-pin p=2.54mm headers for COM2~COM6 serial port
interfaces.
COM2~COM6:
Pin Signal Pin
1 DCD# 2
3 RXD# 4
5 TXD# 6
7 DTR# 8
9 GND 10
2.5.10

External Sensor Header (JP7)

The external sensor header is an 1x3-pin p=2.54mm header. The function of JP7 is to
connect an external sensor.
Pin Signal
1 Sys_Temp
2 GND
Board and Pin Assignments
IMB520R / 521R LGA1151 ATX Motherboard
Pin Signal
2 GND
4 GND
6 GND
8 GND
10 GND
JP11
1-2
1-2
2-3
COM2 ~ COM6
Signal
DSR#
RTS#
10
CTS#
RI#
2
N/C
9
1
15