Acrosser AR-B1690 - Manual (Page 15)

AR-B1690 User’s Guide
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2.2.12 RS-485 Header (J5)
1 2 3
1 N485+
2 N485-
3 GND
2.2.13 Touch Screen Connector (J18, J19)
J18 (or J19) is a serial port, which is parallel with COM1 (or 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
2.2.14 PCI Slot (PC1)
On-board one PCI slot (PCI1), supports PCI Riser card for two PCI expansion slots.
2.2.15 Mini PCI Slot (PCI 2)
On-board one Mini PCI slot (PCI2)
2.2.16 PCI Select (J17)
1
2
3
1-2 When riser card is applied,
Please set 1-2 close
2-3 Support one PCI card (Factory Preset)
Factory Preset