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Table of Contents
0. PREFACE.................................................................................................................................................................... 3
0.1 COPYRIGHT NOTICE AND DISCLAIMER.....................................................................................................................................3
0.2 WELCOME TO THE AR-B1842-G 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 PACKING LIST................................................................................................................................................................................5
1.2 SPECIFICATIONS...........................................................................................................................................................................6
1.3 BLOCK DIAGRAM...........................................................................................................................................................................7
2. INSTALLATION........................................................................................................................................................... 8
2.1 AR-B1842-G'S BOARD DIMENSIONS ...........................................................................................................................................8
2.2 CPU INSTALLATION ......................................................................................................................................................................9
2.3 MEMORY INSTALLATION (DDR2 SODIMM MEMORY SIZE) ....................................................................................................10
2.4 POWER INSTALLATION ..............................................................................................................................................................10
3. CONNECTION........................................................................................................................................................... 11
3.1 PS/2 KEYBOARD & MOUSE（CN1）.......................................................................................................................................11
3.2 KEYBOARD & MOUSE HEADER (J6)..........................................................................................................................................11
3.3 KEYBOARD LUCK/UNLCK HEADER (JP5).................................................................................................................................11
3.4 SERIAL PORT CONNECTOR（COM1）.....................................................................................................................................11
3.5 INTERNAL SERIAL PORT HEADER （COM2）........................................................................................................................11
3.6 COM2 FOR RS232 / RS422 / RS485 SELECT （JP3）.............................................................................................................12
3.7 RS422 / RS485 HEADER（J8）...................................................................................................................................................12
3.8 IRDA HEADER（J4）................................................................................................................................................................12
3.9 VGA CONNECTOR（VGA1）......................................................................................................................................................12
3.10 ETHERNET RJ-45 CONNECTOR（LAN1）..............................................................................................................................12
3.11 PARALLEL PORT HEADER（J2）............................................................................................................................................13
3.12 CPU FREQUENCY SELECT TABLE (J10）..............................................................................................................................13
3.13 HARD DISK CONNECTOR (IDE1) .............................................................................................................................................13
3.14 COMPACT FLASH CONNECTOR（CF1）................................................................................................................................14
3.15 COMPACT FLASH CONNECTOR MASTER∕SLAVE SELECT HEADER（JP6）..................................................................14
3.16 AUDIO LINE IN / LINE OUT / MIC HEADER （AUDIO1）........................................................................................................14
3.17 CD IN HEADER（J1）................................................................................................................................................................15
3.18 CPU FAN POWER CONNECTOR（FAN1, FAN2）..................................................................................................................15
3.19 COMS BATTERY HEADER（JP4）...........................................................................................................................................15
3.20 18, 24 BITS LVDS CONNECTOR（LCD1）..............................................................................................................................15
3.21 LVDS INTERVER CONNECTOR（LCDPW1）..........................................................................................................................15
3.22 USB PORT HEADER （USB1, USB2）....................................................................................................................................16
3.23 DDR2 SOCKET（DDR2SODIMM1）.........................................................................................................................................16
3.24 MINI PCI SLOT（MINIPCI1）.....................................................................................................................................................16
3.25 SATA CONNECTOR（SATA1, SATA2）...................................................................................................................................16
3.26 GPIO PORT HEADER（J9）......................................................................................................................................................16
3.27 CPU VOLTAGE SELECT HEADER（JP1）..............................................................................................................................16
3.28 PROTECT U HEADER（JP2）..................................................................................................................................................17
3.29 PANEL HEADER（J3）..............................................................................................................................................................17
3.30 AT POWER CONNECTOR（PW1）..........................................................................................................................................17
4. WATCHDOG TIMER CONFIGURATION.................................................................................................................. 18
4.1 WATCHDOG TIMER SETTING ....................................................................................................................................................18
5. BIOS CONSOLE........................................................................................................................................................ 20
5.1 MAIN SETUP.................................................................................................................................................................................20
5.2 ADVANCED CHIPSET SETUP.....................................................................................................................................................22
5.3 POWER SETUP............................................................................................................................................................................23
5.4 PERIPHERALS SETUP ................................................................................................................................................................24
5.5 PNP/PCI SETUP...........................................................................................................................................................................26
5.6 PC HEALTH SETUP .....................................................................................................................................................................27
5.7 BOOT SETUP ...............................................................................................................................................................................28
5.8 EXIT SETUP..................................................................................................................................................................................29
5.9 BIOS UPDATE ..............................................................................................................................................................................30
APPENDIX A. ADDRESS MAPPING............................................................................................................................ 31
IO ADDRESS MAP..............................................................................................................................................................................31
APPENDIX B. INTERRUPT REQUEST (IRQ)............................................................................................................... 32
