Acrosser Technology AR-B1790 Owner's manual

AR-1790 User’s Guide

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AR-B1790

INDUSTRIAL GRADE

CPU BOARD

User’ s Guide

Edition: 1.01

Book Number: AR-B1790-03.1121

AR-B1790 User’s Guide

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Table of Contents

0.

PREFACE………………………………………………………………………………………………………………………….3

0.1 COPYRIGHT NOTICE AND DISCLAIMER.....................................................................................................................................3

0.2 WELCOME TO THE AR-B1790 CPU BOARD................................................................................................................................3

0.3 BEFORE YOU USE THIS GUIDE...................................................................................................................................................3

0.4 RETURNING YOUR BOARD FOR SERVICE.................................................................................................................................3

0.5 TECHNICAL SUPPORT AND USER COMMENTS........................................................................................................................3

0.6 STATIC ELECTRICITY PRECAUTIONS ........................................................................................................................................4

1. INTRODUCTION.......................................................................................................................................................... 5

1.1.SPECIFICATIONS...........................................................................................................................................................................5

1.2 PACKING LIST................................................................................................................................................................................6

2. INSTALLATION...........................................................................................................................................................7

2.1 AR-B1790'S LAYOUT .....................................................................................................................................................................7

2.2 CPU INSTALLATION ......................................................................................................................................................................9

2.3 CLEAR CMOS (JP6).....................................................................................................................................................................10

2.4 INSTALL DDR SDRAM SYSTEM MEMORY................................................................................................................................10

3. CONNECTION........................................................................................................................................................... 11

3.1 IDE DISK DRIVE CONNECTOR (IDE1, IDE2)..............................................................................................................................11

3.2 SERIAL PORTS (COM2, COM3, COM4)......................................................................................................................................12

3.3 COM3 RS-232/RS-485 SELECT (JP19, JP20).............................................................................................................................13

3.4 COM4 RS-232/RS-485 SELECT (JP21, JP22).............................................................................................................................14

3.5 PS2 KEYBOARD & MOUSE (PS/1)..............................................................................................................................................14

3.6 USB CONNECTOR (USB1, USB2, USB3) ...................................................................................................................................15

3.7 FAN POWER CONNECTOR.........................................................................................................................................................15

3.8 DUAL ETHERNET PORT (PT3)....................................................................................................................................................15

3.9 PARALLEL & COM1 & VGA PORT (PT1) ....................................................................................................................................16

3.10 FLOPPY DRIVE CONNECTOR (FDD1) .....................................................................................................................................16

3.11 GPIO PORT (GPIO1)..................................................................................................................................................................17

3.12 ATX POWER CONNECTOR (PWR1).........................................................................................................................................17

3.13 POWER CONNECTOR (PWR2).................................................................................................................................................17

3.14 DUAL LVDS CONNECTOR (LVDS1, LVDS2)............................................................................................................................18

3.15 LVDS PANEL VOLTAGE SELECT (JP8)....................................................................................................................................19

3.16 CONTROL LVDS PANEL BACK-LIGHT (JP9)............................................................................................................................19

3.17 COM VOLTAGE SELECT (JP11, JP12, JP13)...........................................................................................................................19

3.18 MINI PCI SLOT (PCI1)................................................................................................................................................................19

3.19 PCI SLOT (PCI2).........................................................................................................................................................................19

3.20 IRDA HEADER (IR1)...................................................................................................................................................................19

3.21 CLEAR CMOS (JP6)...................................................................................................................................................................20

3.22 FRONT PANEL (JP7)..................................................................................................................................................................20

3.23 COMPACT FLASH (CF1)............................................................................................................................................................21

3.24 GAME/MINI PORT AND AUDIO CONNECT...............................................................................................................................21

3.25 CD-IN CONNECTOR (CD-IN).....................................................................................................................................................22

3.26 CPU SPEED SELECT (JP5).......................................................................................................................................................22

3.27 CF VOLTAGE SELECT (JP23)...................................................................................................................................................22

3.28 KB/MS VOLTAGE SELECT (JP2)...............................................................................................................................................22

4. WATCHDOG TIMER ................................................................................................................................................. 23

4.1 WATCHDOG TIMER SETTING ....................................................................................................................................................23

5. BIOS CONSOLE........................................................................................................................................................ 24

5.1 BIOS SETUP OVERVIEW.............................................................................................................................................................24

5.2 STANDARD CMOS SETUP..........................................................................................................................................................25

5.3 ADVANCED CMOS SETUP..........................................................................................................................................................26

5.4 ADVANCED CHIPSET SETUP.....................................................................................................................................................28

5.5 POWER MANAGEMENT..............................................................................................................................................................30

5.6 PCI/PLUG AND PLAY...................................................................................................................................................................31

5.7 PERIPHERAL SETUP...................................................................................................................................................................32

5.8 AUTO-DETECT HARD DISKS......................................................................................................................................................34

5.9 PASSWORD SETTING.................................................................................................................................................................34

5.10 LOAD DEFAULT SETTING.........................................................................................................................................................34

5.10.1 Auto Configuration with Optimal Setting.......................................................................................................... 34

5.10.2 Auto Configuration with Fail Safe Setting ........................................................................................................34

5.11 BIOS EXIT...................................................................................................................................................................................34

5.12 BIOS UPDATE ............................................................................................................................................................................35

APPENDIX A. ADDRESS MAPPING............................................................................................................................ 37

APPENDIX B. INTERRUPT REQUEST (IRQ)............................................................................................................... 39

AR-1790 User’s Guide

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0. PREFACE

0.1 COPYRIGHT NOTICE AND DISCLAIMER

This document is copyrighted, 2002, by Acrosser Technology Co., Ltd. All rights are reserved. No part of this

manual may be reproduced, copied, transcribed, stored in a retrieval system, or translated into any language or

computer language in any form or by any means, such as electronic, mechanical, magnetic, optical, chemical,

manual or other means without the prior written permission or original manufacturer.

Acrosser Technology assumes no responsibility or warranty with respect to the content in this manual and

specifically disclaims any implied warranty of merchantability or fitness for any particular purpose. Furthermore,

Acrosser Technology reserves the right to make improvements to the products described in this manual at any

times without notice. Such revisions will be posted on the Internet (WWW.ACROSSER.COM)

as soon as possible.

Possession, use, or copy of the software described in this publication is authorized only pursuant to valid written

license from Acrosser or an authorized sub licensor.

ACKNOWLEDGEMENTS

Acrosser, AMI, IBM PC/AT, ALI, Windows 3.1, MS-DOS…are registered trademarks.

All other trademarks and registered trademarks are the property of their respective owners.

0.2 WELCOME TO THE AR-B1790 CPU BOARD

This guide introduces the Acrosser AR-B1790 CPU Board.

Use information provided in this manual describes this card’s functions and features. It also helps you start, set up

and operate your AR-B1790. General system information can also be found in this publication.

0.3 BEFORE YOU USE THIS GUIDE

Please refer to the Chapter 3, “Setting System,” in this guide, if you have not already installed this AR-B1790.

Check the packing list before you install and make sure the accessories are completely included.

AR-B1790 CD provides the newest information regarding the CPU card. Please refer to the files of the enclosed

utility CD. It contains the modification and hardware & software information, and adding the description or

modification of product function after manual printed.

0.4 RETURNING YOUR BOARD FOR SERVICE

If your board requires any services, contact the distributor or sales representative from whom you purchased the

product for service information. If you need to ship your board to us for service, be sure it is packed in a protective

carton. We recommend that you keep the original shipping container for this purpose.

You can help assure efficient servicing for your product by following these guidelines:

1. Include your name, address, daytime telephone, facsimile number and E-mail.

2. A description of the system configuration and/or software at the time of malfunction.

3. A brief description of the problem occurred.

0.5 TECHNICAL SUPPORT AND USER COMMENTS

Users comments are always welcome as they assist us in improving the quality of our products and the readability

of our publications. They create a very important part of the input used for product enhancement and revision.

We may use and distribute any of the information you provide in any way appropriate without incurring any

obligation. You may, of course, continue to use the information you provide.

If you have any suggestions for improving particular sections or if you find any errors on it, please send your

comments to Acrosser Technology Co., Ltd. or your local sales representative and indicate the manual title and

book number.

Internet electronic mail to: Sales@acrosser.com

[email protected]w

AR-B1790 User’s Guide

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0.6 STATIC ELECTRICITY PRECAUTIONS

Before removing the board from its anti-static bag, read this section about static electricity precautions.

Static electricity is a constant danger to computer systems. The charge that can build up in your body may be

more than sufficient to damage integrated circuits on any PC board. It is, therefore, important to observe basic

precautions whenever you use or handle computer components. Although areas with humid climates are much

less prone to static build-up, it is always best to safeguard against accidents that may result in expensive repairs.

The following measures should be sufficient to protect your equipment from static discharge:

 Touch a grounded metal object to discharge the static electricity in your body (or ideally, wear a grounded

wrist strap).

 When unpacking and handling the board or other system components, place all materials on an anti-static

surface.

 Be careful not to touch the components on the board, especially the “golden finger” connectors on the

bottom of the board.

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

 CPU:

–Support Intel Pentium 4 Northwood Socket 478 processor

–Support 533MHz and 400MHz FSB

–Support Intel Pentium 4 CPUs up to 2.8GHz

 DMA channels: 7

 Interrupt levels: 15

 Chipset:

–Intel® 845GV Integrated 2D / 3D graphics accelerator and support PC2100 DDR266 technology

–Intel ICH4 chipset 82801DB I/O Controller

 RAM memory:

–Support two 184-pin DDR DIMM sockets

–Support PC200 266 DDR SDRAM

–Support up to 2GB DRAM Max

 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

 On-board IDE Interface: Two IDE Controller on Intel ICH4 PCI chipset provides IDE HDD/CD-ROM Ultra

DMA33/ATA66/ATA100 operation modes

 Floppy disk drive interface: 2.88 MB, 1.44MB, 1.2MB, 720KB, or 360KB floppy disk drive.

 C. F.: Supports one socket for Compact Flash Type II interface

 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

 Parallel Port: On-board one D-SUB 25-pin female external port for LPT1 , supports SPP/EPP/ECP modes

(rear I/O panel)

 IrDA port: Supports IrDA (HPSIR) and ASK (Amplitude Shift Keyed) IR port multiplexed on COM2

 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

 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)

 Watchdog timer: Software programmable 1~63sec.

 VGA Controller: Built in Intel 845GV Chipset

 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)

 K/B & Mouse: On-board PS/2 Keyboard and Mouse 6-pin Mini-DIN external connector

 Power Connector: ATX & The Pentium 4 ATX power include another 2x2 pin+12V input connector

 Power Req. : +5V@ 2A and +12V@ 5A maximum, on-board ATX12 power input connector

 Operating Temperature: 0° ~ 60 (CPU needs Cooler)

AR-B1790 User’s Guide

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1.2 PACKING LIST

In addition to this User's Manual, the AR-B1790 package includes the following items:

 The quick setup manual

 AR-B1790 Embedded ATX Single Board

 Software utility CD x 1

 FDD Cable x 1 (Optional)

 5.25” IDE HDD ATA 100Cable x 1(Optional)

 2.5” IDE HDD Cable x 1(Optional)

 Serial port Cable x 3(Optional)

AC'97

CODEC

Serial 3

IDE Secondary

USB PORT 1-6

USB2.0

Processor

VR

478-PIN P4 PROCESSOR

Floppy

IDE Primary

Serial 2

SIO1

ADDR

CTRL

Connector

GMCH

CK_408

BLOCK DIAGRAM

BROOKDALE-GV

FirmWare Hub

DATA

Game Port

PCI ADDR/DATA

Keyboard

AGTL+ BUS

Modules

Serial 4

VGA

AC'97 LINK

2 Intel DVO

Ports

CTRL

SIO2

ADDR

PCI CONN 1

ICH4

UDMA/100

DDR266

PCI CNTRL

DATA

Mouse

Serial 1

USB

Parallel

AR-1790 User’s Guide

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2. INSTALLATION

This chapter describes how to install the AR-B1790. At first, the layout of AR-B1790 is shown, and the unpacking

information that you should be careful is described. The jumpers and switches setting for the AR-B1790’s

configuration are as below.

2.1 AR-B1790'S LAYOUT

AR-B1790 User’s Guide

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AR-1790 User’s Guide

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2.2 CPU INSTALLATION

This main board supports Intel Pentium 4/Celeron, Socket 478 series CPU. Please follow the step as below:

 Be careful of CPU orientation when you plug it into CPU socket.

 Pull up the CPU socket lever and up to 90°

 Locate Pin 1 in the socket and look for a black dot or cut edge on the CPU upper interface. Match Pin 1 and

cut edge, then insert into the CPU socket.

AR-B1790 User’s Guide

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 Press down the CPU socket lever and finish CPU installation.

The Intel Pentium 4/Celeron processor requires a set of heatsink/fan to ensure proper cooling of processor. If

heatsink/fan have not been already bundled with your CPU, you must purchase the heatsink/fan separately and

have it installed. Plug the cable through the heatsink/fan in the CPU fan power connector located nearby. Note that

there are seceral types of CPU fan connector. Normally, if your main board supports the hard ware monitoring

function, a 3-pin fan power connector should allow your system to detect the CPU fan’s speed.

2.3 CLEAR CMOS (JP6)

If want to clear the CMOS Setup (for example when you forgot the password, please clear the setup and then set

the password again.), you should close the pin 2-3 about 3 seconds, then open again, set back to normal

operation mode, close the pin 1-2.

1

3

2.4 INSTALL DDR SDRAM SYSTEM MEMORY

To install memory, insert DDR SDRAM memory module(s) in DIMM slot(s), Note that DDR SDRAM module are

directional and will not go in the DIMM slot unless properly oriented. After the module is fully inserted into the

DIMM slot, lift the chips of both sides of the DIMM slot to lock the module in place.

JP6 FUNCTION

1-2 ON

Normal Operation

(Factory Preset)

2-3 ON Clear CMOS

AR-1790 User’s Guide

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3. CONNECTION

This chapter describes how to connect peripherals, switches and indicators to the AR-B1790 board.

3.1 IDE DISK DRIVE CONNECTOR (IDE1, IDE2)

•

IDE1: Primary IDE Connector

A 40-pin header type connector (IDE1) is provided to interface with up to two embedded hard disk drives (IDE AT

bus). This interface, through a 40-pin cable, allows the user to connect up to two drives in a “daisy chain” fashion.

To enable or disable the hard disk controller, please use the BIOS Setup program, which is explained further in

chapter 5. The following table illustrates the pin assignments of the hard disk drive’s 40-pin connector.

1 39

2 40

Pin Signal Pin Signal

1 -RESET 2 GROUND

3 DATA 7 4 DATA 8

5 DATA 6 6 DATA 9

7 DATA 5 8 DATA 10

9 DATA 4 10 DATA 11

11 DATA 3 12 DATA 12

13 DATA 2 14 DATA 13

15 DATA 1 16 DATA 14

17 DATA 0 18 DATA 15

19 GROUND 20 N.C

21 PDDREQ 22 GROUND

23 -PDIOW 24 GROUND

25 -PDIOR 26 GROUND

27 PIORDY 28 GROUND

29 -PDDACK 30 GROUND

31 IRQ14 32 N.C

33 PDA1 34 PD66/100

35 PDA0 36 PDA2

37 -PDCS1 38 -PDCS3

39 HLEDP 40 GROUND

AR-B1790 User’s Guide

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•

IDE 2: Second IDE Connector

AR-B1790 also provides IDE interface 44-pin connector to connect with the hard disk device.

43

44

1

2

Pin Signal Pin Signal

1 -RESET 2 GROUND

3 DATA 7 4 DATA 8

5 DATA 6 6 DATA 9

7 DATA 5 8 DATA 10

9 DATA 4 10 DATA 11

11 DATA 3 12 DATA 12

13 DATA 2 14 DATA 13

15 DATA 1 16 DATA 14

17 DATA 0 18 DATA 15

19 GROUND 20 N.C

21 SDDREQ 22 GROUND

23 -SOIOW 24 GROUND

25 -SOIOR 26 GROUND

27 SIORDY 28 GROUND

29 -SDDACK 30 GROUND

31 IRQ15 32 GROUND

33 SDA1 34 SD66/100

35 SDA0 36 SDA2

37 -SDCS1 38 -SDCS3

39 HLEDS 40 GROUND

41 VCC 42 VCC

43 GROUND 44 N.C

3.2 SERIAL PORTS (COM2, COM3, COM4)

1

10 2

9

PIN Signal PIN Signal

1 /DCD 2 /DSR

3 RXD 4 /RTS

5 TXD 6 /CTS

7 /DTR 8 /RI

9 GND 10 COM VOLTAGE

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3.3 COM3 RS-232/RS-485 SELECT (JP19, JP20)

•

RS-485 Terminator Select (JP15)

JP15 (ON)

•

RS-485 Header (JP18)

1

2

3

JUMPER FUNCTION

JP19

1

3

5

1

2

3

JP20

RS-232

FACTORY PRESET

JP19

1

3

5

1

2

3

JP20

RS-485

PIN Signal

1 N485+

2 N485-

3 GND

FACTORY PRESET

* When there is only one line the setting should be left off (please

take off the jumper), if multiple blocks are used on a single line this

should be set to “ON”(place a jumper) in order to properly terminate

the connection for better transmission

AR-B1790 User’s Guide

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3.4 COM4 RS-232/RS-485 SELECT (JP21, JP22)

•

RS-485 Terminator Select (JP16)

JP16 (ON)

•

RS-485 Header (JP17)

1

2

3

3.5 PS2 KEYBOARD & MOUSE (PS/1)

The AR-B1790 provides 6-PIN JST Header and 6-PIN MINI-DIN keyboard/mouse connector.

PS2 Mouse

PS2 KeyBoard

PS/1

7

8

9

10

11

12

1

2

3

4

5

6

JUMPER FUNCTION

JP21

1

3

5

1

2

3

JP22

RS-485

JP21

1

3

5

1

2

3

JP22

RS-232

FACTORY PRESET

PIN Signal

1 N485+

2 N485-

3 GND

PIN Signal

1 KBDATA

2 NC

3 GND

4 VCC

5 KBCLK

6 NC

7 MSDATA

8 NC

9 GND

10 VCC

11 MSCLK

12 NC

FACTORY PRESET

* When there is only one line the setting should be left off (please

take off the jumper), if multiple blocks are used on a single line this

should be set to “ON”(place a jumper) in order to properly terminate

the connection for better transmission

AR-1790 User’s Guide

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3.6 USB CONNECTOR (USB1, USB2, USB3)

1 2 3 4

5 6 7 8 1.VCC

2.DATA0+

3.DATA0-

4.GND

5.VCC

6.DATA1+

7.DATA1-

8.GND

USB1&USB2

USB 3

1 9

2 10

1.VCC 6.DATA3+

2.GND 7.GND

3.DATA2- 8.DATA3-

4.GND 9.GND

5.DATA2+ 10.VCC

3.7 FAN POWER CONNECTOR

The AR-B1790 provides CPU cooling Fan connector. CPU connectors can supply 12V/500mA to the cooling fan.

3 2 1

FAN1 FOR CPU FAN

FAN2 FOR SYSTEM FAN

FAN3 FOR CASE FAN

3.8 DUAL ETHERNET PORT (PT3)

The Ethernet RJ-45 connectors are the standard network headers. The following table is the pin assignment.

PIN Signal

1 GND

2 +12V

3 SENSE

Pin Signal Pin Signal

1 TX+ 5 Not Used

2 TX- 6 RX-

3 RX+ 7 Not Used

4 Not Used 8 Not Used

1

8

AR-B1790 User’s Guide

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3.9 PARALLEL & COM1 & VGA PORT (PT1)

AR-B1790 built-in a 9-pin standard COM port, a 15-pin VGA port and 1 LPT port. Device like printer can de

connected to LPT port . Mouse and modem etc can de connected to COM port. CRT monitor can be connected to

VGA port.

3.10 FLOPPY DRIVE CONNECTOR (FDD1)

The AR-B1790 provides a 34-pin header type connector for supporting up to two floppy disk drives.

To enable or disable the floppy disk controller, please use the BIOS Setup program.

33

34

1

2

COM1

Pin Signal Pin Signal

1 /DCD1 2 RXD1

3 TXD1 4 DTR1

5 GND 6 DSR1

7 /RTS1 8 CTS1

9 /RI1

VGA1

PRINT

Pin Signal Pin Signal

1 -STB 2 -AFD

3 PD0 4 -ERROR

5 PD1 6 -INIT

7 PD2 8 -SLIN

9 PD3 10 GND

11 PD4 12 GND

13 PD5 14 GND

15 PD6 16 GND

17 PD7 18 GND

19 -ACK 20 GND

21 BUSY 22 GND

23 PE 24 GND

25 SLCT 26 N.C

Pin Signal Pin Signal Pin Signal

1 RED 6 GND 11 N.C

2 GREEN 7 GND 12 SDA

3 BLUE 8 GND 13 HSYNC

4 N.C 9 VCC 14 VSYNC

5 GND 10 GND 15 SCL

PIN Signal PIN Signal

1-33(odd) GROUND 18 DIRECTION

2 DRVEN 0 20 -STEP OUTPUT PULSE

4 NOT USED 22 -WRITE DATA

6 DRVEN 1 24 -WRITE GATE

8 -INDEX 26 -TRACK 0

10 -MOTOR ENABLE 0 28 -WRITE PROTECT

12 -DRIVE SELECT 1 30 -READ DATA

14 -DRIVE SELECT 0 32 -SIDE 1 SELECT

16 -MOTOR ENABLE 1 34 DISK CHANGE

LPT1

PRINT (25 pin Female)

COM1 VGA

VGA1

Serial port VGA port

(9 pin Male) (15 pin Female)

AR-1790 User’s Guide

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3.11 GPIO PORT (GPIO1)

17

18

1

2

3.12 ATX POWER CONNECTOR (PWR1)

11

1

10

20

Pin Signal Pin Signal

1 3.3V 11 3.3V

2 3.3V 12 -12V

3 GND 13 GND

4 5V 14 PSON

5 GND 15 GND

6 5V 16 GND

7 GND 17 GND

8 PW-OK 18 -5V

9 5VSB 19 5V

10 12V 20 5V

3.13 POWER CONNECTOR (PWR2)

3

4

2

1

PIN DEFINE PIN DEFINE

1 GPI0 2 GPO0

3 GPI1 4 GPO1

5 GPI2 6 GPO2

7 GPI3 8 GPO3

9 GPI4 10 GPO4

11 GPI5 12 GPO5

13 GPI6 14 GPO6

15 GPI7 16 GPO7

17 VCC5V 18 GND

Pin Signal Pin Signal

1 GND 3 +12V

2 GND 4 +12V

AR-B1790 User’s Guide

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3.14 DUAL LVDS CONNECTOR (LVDS1, LVDS2)

1 25

2 26

LVDS1

PIN Signal PIN Signal

1 TXOUT0- 14 GND

2 GND 15 TXCLK1+

3 TXOUT0+ 16 VTX12

4 GND 17 TXOUT3-

5 TXOUT1- 18 VTX12

6 LVDSVCC 19 TXOUT3+

7 TXOUT1+ 20 GND

8 LVDSVCC 21 VTKBP

9 TXOUT2- 22 N.C

10 N.C 23 LVDSVCC

11 TXOUT2+ 24 N.C

12 GND 25 LVDSVCC

13 TXCLK1- 26 N.C

LVDS2

PIN Signal PIN Signal

1 TXOUT4- 14 GND

2 GND 15 TXCLK2+

3 TXOUT4+ 16 VTX12

4 GND 17 TXOUT7-

5 TXOUT5- 18 VTX12

6 LVDSVCC 19 TXOUT7+

7 TXOUT5+ 20 GND

8 LVDSVCC 21 VTKBP

9 TXOUT6- 22 N.C

10 N.C 23 LVDSVCC

11 TXOUT6+ 24 N.C

12 GND 25 LVDSVCC

13 TXCLK2- 26 N.C

AR-1790 User’s Guide

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3.15 LVDS PANEL VOLTAGE SELECT (JP8)

1 2

6 5

3.16 CONTROL LVDS PANEL BACK-LIGHT (JP9)

3 2 1

3.17 COM VOLTAGE SELECT (JP11, JP12, JP13)

1 2

6 5

3.18 MINI PCI SLOT (PCI1)

On board one mini PCI slot (PCI1)

3.19 PCI SLOT (PCI2)

On board one PCI slot (PCI2)

3.20 IRDA HEADER (IR1)

1

5

JP8 VOLTAGE

1-3 2-4

ON

+5V

3-5 4-6

ON

+3.3V

(Factory Preset)

PIN Signal

1 +12V

2 GND

3 EBLT

PIN Signal PIN Signal

1 COM VOLTAGE 2 +12V

3 COM VOLTAGE 4 +5V

5 COM VOLTAGE 6

GND

(Factory Preset)

PIN Signal

1 VCC

2 NC

3 IRRX

4 GND

5 IRTX

JP11 SELECT COM1 PIN 10 VOLTAGE

JP12 SELECT COM2 PIN 10 VOLTAGE

JP13 SELECT COM3 PIN 10 VOLTAGE

AR-B1790 User’s Guide

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3.21 CLEAR CMOS (JP6)

1

3

3.22 FRONT PANEL (JP7)

2 22

1 21

PIN FUNCTION

1-3 POWER BUTTON

7-9 GREEN BUTTON

13-15 PRIMARY HDD ACT LED

17-19 SECONDARY HDD ACT LED

2-4 POWER LED

8-10 SUSPEND LED

14-16 SPEAKER

20-22 RESET

JP6 FUNCTION

1-2 ON

Normal Operation

(Factory Preset)

2-3 ON Clear CMOS

PIN Signal PIN Signal

1 5VSUS 2 VCC

3 POWER BUTTON 4 POWER LED

5 N.C 6 N.C

7 GREEN BUTTON 8 5VSB

9 GND 10 SUSPEND LED

11 N.C 12 N.C

13 VCC 14 5V

15 PRIMARY HDD ACT LED 16 EXTERNAL SPEAKER

17 VCC 18 N.C

19 SECONDARY 20 RESET

21 N.C 22 GND

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Acrosser Technology AR-B1790 Owner's manual

Acrosser Technology AR-B1790 Owner's manual

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