14 touch screen connector (ts2), 15 26-pin audio connector (audio1), 16 cpu fan power connector (jfan1) – Acrosser AR-B1651 User Manual
Page 13: 17 external buzzer (u6)
AR-B1651 User’s Guide
1 2 3
1 N485+
2 N485-
3 GND
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.
1 2 3
1 RXDF
2 TXDF
3 GND
2.2.15 26-Pin Audio Connector (AUDIO1)
2 26
1 25
PIN
Signal
PIN
Signal
1 AUXAL 2 LINEL
3 AUXAR 4 LINER
5 VCC 6
Not
Used
7 AUDIOL 8 MICPH
9 AUDIOR 10 PCSPKO
11 GND 12 GND
13
Not Used
14
Not Used
15 GND 16 GND
17
Not Used
18
Not Used
19
Not Used
20
Not Used
21
Not Used
22
Not Used
23
Not Used
24
Not Used
25 GND 26 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.
2.2.17 External Buzzer (U6)
13