Introduction – Acrosser AR-B1690 User Manual
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AR-B1690 User’s Guide
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1. INTRODUCTION
Welcome to the AR-B1690 POS Single Board Computer. The AR-B1690 board is POS form factor board, which 
comes equipped with economical performance with the Celeron series processors, or the impressive performance 
of the Pentium III series Processors, or Low power VIA C3 series Processors with the VIA ® advanced chipset 
Apollo PLE133T (VT8601T and VT82C686B). This product is designed for the system manufacturers, integrators, 
or VARs that want to provide all the performance, reliability, and quality at a reasonable price. 
 
In addition, the AR-B1690 provides on chip VGA. The VGA, which provides up to Ture Color (32 bit) 1024x768, or 
High Color (16 bit) 1280x1024 resolution. The VGA memory is share main memory (2M, 4M, or 8M). AR-B1690 
also has 18-bit TFT LCD and LVDS function in the system. 
 
The AR-B1690 is loaded with special on-board features that rival full-size systems. It has one network controller on 
board, uses RealTek RTL8100B LAN controller, a fully integrated 10/100BASE-TX solution with high performance 
networking functions. DOC and CompactFlash™. There is a Mini PCI socket for optional international version 
modem, plus optional support for AC97 3D stereo surround sound with CD-input, AR-B9425 (line-in, line-out and 
speaker-out, microphone). The AR-B1690 also includes two 168-pin DIMM sockets for up to 1G MB total on-board 
memory. The ar-b1690 has four on-board serial ports; COM3 and COM4 have +5/+12 V power or GND, two USB 
connectors for 4 USB ports, watchdog timer and tough industrial grade construction. All these features make the 
AR-B1690 a very "system integrator friendly" solution, perfect for handling POS applications in the harshest 
unmanned environments. 
 
 
AR-B1690 System Block Diagram