Acrosser Technology AR-B1891, User Manual, Page: 2 / 37

Table of Contents
0. PREFACE .................................................................................................................................................................... 2
0.1 COPYRIGHT NOTICE AND DISCLAIMER ..................................................................................................................................... 2
0.2 WELCOME TO THE AR-B1891 CPU BOARD................................................................................................................................ 2
0.3 BEFORE YOU USE THIS GUIDE ................................................................................................................................................... 2
0.4 RETURNING YOUR BOARD FOR SERVICE................................................................................................................................. 2
0.5 TECHNICAL SUPPORT AND USER COMMENTS ........................................................................................................................ 3
0.6 STATIC ELECTRICITY PRECAUTIONS ........................................................................................................................................ 3
1. INTRODUCTION.......................................................................................................................................................... 4
1.1 PACKING LIST................................................................................................................................................................................ 4
1.2 SPECIFICATIONS........................................................................................................................................................................... 5
1.3 BLOCK DIAGRAM........................................................................................................................................................................... 6
2. INSTALLATION........................................................................................................................................................... 7
2.1 AR-B1891'S BOARD DIMENSIONS ............................................................................................................................................... 7
2.2 CPU INSTALLATION ...................................................................................................................................................................... 9
2.3 MEMORY INSTALLATION............................................................................................................................................................ 10
3. CONNECTION ........................................................................................................................................................... 11
3.1 PS2 KEYBOARD & MOUSE
（
KBMS1
）
...................................................................................................................................... 11
3.2 USB CONNECTOR
（
USB1
）
....................................................................................................................................................... 11
3.3 EXTERNAL USB HEADER
（
USB3
）
........................................................................................................................................... 12
3.4 PARALLEL PORT CONNECTOR
（
LPT1
）
................................................................................................................................. 12
3.5 SERIAL PORT CONNECTOR
（
COM1
）
..................................................................................................................................... 13
3.6 EXTERNAL SERIAL PORT HEADER
（
COM2~COM6
）
............................................................................................................. 13
3.7 VGA CONNECTOR
（
VGA1
）
.................................................................................................................................................... 14
3.8 RJ- 45 & USB CONNECTOR
（
CN2
）
.......................................................................................................................................... 14
3.9 DVI-D CONNECTOR
（
CN1
）
...................................................................................................................................................... 15
3.10 AUDIO LINE OUT
∕
LINE IN
∕
MIC HEADER
（
J4
）
.................................................................................................................. 15
3.11 CD IN HEADER
（
J6
）
................................................................................................................................................................ 15
3.12 HARD DISK
（
IDE
）
CONNECTOR (IDE1, IDE2) ....................................................................................................................... 16
3.13 COMPACT FLASH CONNECTOR
（
CFB1
）
............................................................................................................................. 18
3.14 COMPACT FLASH CONNECTOR MASTER
∕
SLAVE SELECT HEADER
（
JP3
）
.................................................................. 19
3.15 CPU CLOCK SELECT HEADER （ JCLK1 ） .............................................................................................................................. 19
3.16 INTERNAL BUZZER
（
BZ1
）
...................................................................................................................................................... 19
3.17 CPU FAN POWER CONNECTOR
（
FAN1, FAN2, FAN3
）
....................................................................................................... 19
3.18 COMS BATTERY HEADER （ JBAT1 ） ...................................................................................................................................... 20
3.19 18, 24 BITS LVDS CONNECTOR
（
LCD1, LCD4
）
................................................................................................................... 20
3.20 LVDS INTERVER CONNECTOR
（
J7, JJ1
）
............................................................................................................................. 21
3.21 LCD PANEL TYPE SELECT （ S1 ） .......................................................................................................................................... 22
3.22 DDR SDRAM SOCKET
（
DIMM1, DIMM2
）
...............................................................................................................................22
3.23 MINI PCI SLOT
（
MPCIB1
）
....................................................................................................................................................... 22
3.24 PCI SLOT
（
PCI1
）
..................................................................................................................................................................... 22
3.25 PCI SELECT HEADER
（
JP2
）
.................................................................................................................................................. 22
3.26 ATX
∕
ATX_12V POWER CONNECTOR
（
ATX1, PW1
）
.......................................................................................................... 23
3.27 PANEL HEADER
（
J1
）
.............................................................................................................................................................. 23
4. WATCHDOG TIMER CONFIGURATION .................................................................................................................. 24
4.1 WATCHDOG TIMER SETTING .................................................................................................................................................... 24
5. BIOS CONSOLE........................................................................................................................................................ 25
5.1 MAIN SETUP................................................................................................................................................................................. 25
5.2 ADVANCED CHIPSET SETUP ..................................................................................................................................................... 27
5.3 POWER SETUP ............................................................................................................................................................................ 28
5.4 PERIPHERALS SETUP ................................................................................................................................................................ 29
5.5 PNP/PCI SETUP ........................................................................................................................................................................... 30
5.6 PC HEALTH SETUP ..................................................................................................................................................................... 31
5.7 BOOT SETUP ............................................................................................................................................................................... 32
5.8 EXIT SETUP.................................................................................................................................................................................. 33
5.9 BIOS UPDATE .............................................................................................................................................................................. 34
APPENDIX A. ADDRESS MAPPING ............................................................................................................................ 35
IO ADDRESS MAP.............................................................................................................................................................................. 35
MEMORY MAP.................................................................................................................................................................................... 35
APPENDIX B. INTERRUPT REQUEST (IRQ)............................................................................................................... 36