Touch Screen Connector (Ts2); 26-Pin Audio Connector (Audio1); Cpu Fan Power Connector (Jfan1); External Buzzer (U6) - Acrosser Technology AR-B1651 User Manual

2.2.14 Touch Screen Connector (TS2)

TS2 is a serial port, which is parallel with COM2. It provides another choice when user needs a serial port but need
to connect from board directly without connecting through a D-type connector. The typical application is a touch
screen panel.

2.2.15 26-Pin Audio Connector (AUDIO1)

1
2
PIN Signal
1 AUXAL
3 AUXAR
5 VCC
7 AUDIOL
9 AUDIOR
11 GND
13 Not Used
15 GND
17 Not Used
19 Not Used
21 Not Used
23 Not Used
25 GND
Note: the connector does not contain the GAME (MIDI) port signal. When AR-B1651 audio card is used with
this CPU board, the GAME port function is not supported.

2.2.16 CPU Fan Power Connector (JFAN1)

FAN1 is 3-pin header for the CPU fan. The fan must be a 12V fan.
3 2 1

2.2.17 External Buzzer (U6)

1 N485+
2 N485-
1 2 3
3 GND
1 RXDF
2 TXDF
1 2 3
3 GND
25
26
PIN Signal
2 LINEL
4 LINER
6 Not Used
8 MICPH
10 PCSPKO
12 GND
14 Not Used
16 GND
18 Not Used
20 Not Used
22 Not Used
24 Not Used
26 GND
1. GND
2. +12V
3. Fan Speed
AR-B1651 User's Guide
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