Front Audio Header (Cn11); Com Headers (Com2 ~ Com6); External Sensor Header (Cn15) - AXIOMTEK IMB523R User Manual

IMB523R / 524R / 525R LGA1151 ATX Motherboard
2.5.8

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
2.5.9

COM Headers (COM2 ~ COM6)

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

External Sensor Header (CN15)

The external sensor header is an 1x2-pin p=2.54mm header. The function of CN15 is to
connect an external sensor.
Pin Signal
1 Sys_Temp
2 GND
JP7 should be 1-2 closed for the external sensor on CN15.
Note
18
Pin Signal
2 GND
4 GND
6 GND
8 GND
10 GND
Pin Signal
2 DSR#
4 RTS#
6 CTS#
8 RI#
10 N/C
COM2 ~ COM6
9
10
1
2
Board and Pin Assignments