User guide

AR-1790 User’s Guide
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1. INTRODUCTION
Welcome to the AR-B1790 Embedded ATX Single Board Computer. The AR-B1790 board is Embedded ATX form
factor board, which comes equipped with high performance Intel® Pentium 4 Processor with the Intel® advanced
chipset the Intel® 845GV GMCH and ICH4 (Intel® 82801DB). 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-B1790 provides on chip VGA. The VGA, which provides up to 1600x1200 resolution. The VGA
memory is share main memory.
AR-B1790 have two network controller on board, uses Intel® 82551QM and Intel® 82562ET LAN controller, a fully
integrated 10/100BASE-TX solution with high performance networking functions and Alert-on-LAN features.
1.1 SPECIFICATIONS
n CPU:
–Support Intel Pentium 4 Northwood（Socket 478）processor
–Support 533MHz and 400MHz FSB
–Support Intel Pentium 4 CPUs up to 2.8GHz
n DMA channels: 7
n Interrupt levels : 15
n Chipset:
–Intel® 845GV【Integrated 2D / 3D graphics accelerator and support PC2100（DDR266）technology】
–Intel ICH4 chipset（82801DB）I/O Controller
n RAM memory:
–Support two 184-pin DDR DIMM sockets
–Support PC200／266 DDR SDRAM
–Support up to 2GB DRAM（Max）
n Display Interface: CRT－D-SUB 15-pin female connecotr
Dual LVDS(2 channels)－for 36/48 bit or 18/24 bit(single channel) LVDS LCD Panel
2x13x2.00mm pin-header connector
n On-board IDE Interface: Two IDE Controller on Intel ICH4 PCI chipset provides IDE HDD/CD-ROM（Ultra
DMA33/ATA66/ATA100）operation modes
n Floppy disk drive interface: 2.88 MB, 1.44MB, 1.2MB, 720KB, or 360KB floppy disk drive.
n C. F. : Supports one socket for Compact Flash Type II interface
n Series ports: –On-board D-SUB 9-pin male external port for COM1 with RS-232C/Touch Screen (rear I/O
panel) uses 2.0mm 3-pin JST connector
–On-board 2x5x2.54mm pin-header for COM2 connectors with RS-232C/IrDA（IrDA uses
1x5x2.54mm pin-header connector）
–On-board Two 2x5x2.54mm pin-header connectors for COM3 & COM4 with RS-232C/
RS-485
n Parallel Port: On-board one D-SUB 25-pin female external port for LPT1 , supports SPP/EPP/ECP modes
(rear I/O panel)
n IrDA port: Supports IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port multiplexed on COM2
n USB port: –On-board two external port for 4 USB 2.0/1.1 ports (rear I/O panel)
–On-board one 2x5x2.54mm pin-header connectors for 2 additional USB 2.0/1.1 ports
n Audio: onboard AC’97 Codec, On-board 2-Channel AC97 provided by 82801DB Audio Jacks: Line-in,
Line-out, Mic-in (rear I/O panel)
n Watchdog timer: Software programmable 1~63sec.
n VGA Controller: Built in Intel 845GV Chipset
n Ethernet: –Integrated Intel Kinnereth 10/100Mbps provided by 82801DB South Bridge, with RJ-45 (90
degree) connector built-in LED (rear I/O panel)
–On-board intel 82551 with RJ-45 (90 degree) connector built-in LED (rear I/O panel)
n K/B & Mouse: On-board PS/2 Keyboard and Mouse 6-pin Mini-DIN external connector
n Power Connector: ATX & The Pentium 4 ATX power include another 2x2 pin+12V input connector
n Power Req. : +5V@ 2A and +12V@ 5A maximum, on-board ATX12 power input connector
n Operating Temperature: 0° ~ 60℃ (CPU needs Cooler)