Audio Connector: Cn12 - AXIOMTEK EP812 User Manual

EP812 Pentium
HDD Activity LED
This connector extends to the hard drive activity LED on the
control panel. This LED will flash when the HDD is being
accessed. Pins 13 & 14 of CN11 connect the hard disk drive
and the front panel HDD LED. Pins 13 is -, and pin 14 is
assigned as +.

2.4.7 Audio Connector: CN12

The EP812 Series supports audio interface. CN12 is a 10pin-
header connector commonly used for the audio.
Pin Signal
MIC-IN
1
Line In L
3
Line In R
5
Audio Out L
7
Audio Out R
9
2.4.8 Serial Port Interface: CN13, CN18
COM1 Port Connector: CN18
The connector, COM1, is a DB-9 connector, and the following
table shows the pin assignments of this connector.
Pin Signal Name
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6
DSR, Data set ready
7 RTS, Request to send
Hardware Description
®
M All-in-One Capa Board User's Manual
Pin Signal
GND
2
GND
4
GND
6
GND
8
GND
10
COM1
2
1
3 4
6
5
8
7
9
10
19