Acrosser Technology AR-B1890 User manual

AR-B1890
Intel® Pentium® M / Celeron® M Socket 478 Processor
Mini-ITX Board
User’s Manual
Rev. 1.0
June. 2006
0

AR-B1890 User’s Manual
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Copyright
The trademarks mentioned in the manual are legally registered to their
respective companies.
Notice
The written content provided with this product in the property of Acrosser. No
part of this manual may be reproduced, copied, transmitted in any form or by
any means without prior written permission of Acrosser.
Manual Classification
In order to assist in the use of this product, Acrosser has categorized the user
manual. For detailed product information and specifications, please carefully
read the “ Product User Manual ”.

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Packing List
Please make sure that the following materials before you start installing your
board.
☆AR-B1890 board
Quick Installation Guide☆
CD for manual and drivers☆
Cable Kit☆( CPU cooler, IDE cable, Serial ATA cable, Serial Port cable,
Slim type floppy cable, I/O Shield )

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Table Of Contents
General Information
Introduction 5
Specification 6
Block Diagram 8
Mechanical Drawing………………………………………………...9
Hardware Installation
Connectors Location 11
List of Connectors 13
Jumpers Locations 14
List of Jumpers 14
Jumpers Setting 15
LVDS Panel Voltage Selection ( JP3 ) 15
Clear CMOS Selection ( JP5 ) 15
COM2 RS232/422/485 Slection ( JP6, JP7 )…………………….16
VGA Display / Audio Connector ( CN1 ) 17
5.1 Channel Audio Connector ( CN2 ) 17
COM 3 RS-232 Connector ( CN3 ) 17
COM4 RS-232 Connector ( CN4 ) 18
CD - In Connector ( CN5 ) 18
TV - Out Connector ( CN6 ) 18
DVOB Connector ( CN7 ) 19
LVDS Connector ( CN8 ) 20
ATX Power Connector ( CN9 ) 20
IrDA Connector ( CN10 ) 21
System Fan Connector ( CN11 ) 21
Front Panel Connector ( CN12 ) 21
GPIO Connector ( CN13 ) 22
CPU Fan Connector ( CN14 ) 22
PS2 KB/ MS Connector ( PS2-KBMS1 A/ B ) 22
EIDE Connector ( IDE1 ) 23
USB Connector ( USB1 ) 23
Slim Floppy Connector ( FDD1 ) 24
COM1 RS-232 Connector ( COM1 ) 24
COM2 RS-232 / 422 / 485 Connector ( COM2 ) 24

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Gigabit LAN / USB Connector ( RJUSB1 ) 25
Ethernet LAN / USB Connector ( RJUSB2 ) 25
Mini - PCI Slot ( MPCI1 ) 25
CompactFlash Slot ( CFD1 ) 25
SoDIMM Slot ( DIMM1 ) 25
SoDIMM Slot ( DIMM 2 ) 25
SATA1 Connector ( SATA1 ) 25
SATA2 Connector ( SATA2 ) 25
PCI - Express Slot ( PCIE1 ) 25
BIOS Setup
AwardBIOS CMOS Setup Utility…………………………………..26
Standard CMOS Features………………………………………….27
Advanced BIOS Features………………………………………….29
Advanced Chipset Features……………………………………….32
Integrated Peripherals………………………………………………34
Power Management Setup…………………………………………37
PnP / PCI Configurations…………………………………………..39
PC Health Status……………………………………………………40
Load Fail – Safe Defaults…………………………………………. 41
Load Optimized Defaults………………………………………….. 41
Set Supervisor / User Password…………………………………. 41
Save & Exit Setup…………………………………………………..41
Exit Without Saving…………………………………………………41
Drivers Installation
Install Chipset Drivers………………………………………………42
Install VGA drivers…………………………………………………. 42
Install AC97 Codec Audio Drivers…………………………………42
Install Marvell GigaLAN Drivers………………………………….. 42
Install Realtek Ethernet Drivers……………………………………42

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General Information
Introduction
The AR-B1890 Mini – ITX board incorporates the Intel® 915GM Express and
Intel® I / O controller Hub ICH6 - M chipset , supports the Intel® Pentium® M /
Celeron® M processors with 533 / 400 MHz Front Side Bus ( FSB ), Intel®
Graphics Media Accelerator 900 ( Intel® GMA 900 ), DDRII 533 MHz system
memory, PCI - Express interface, Ethernet / Gigabit LAN, Realtek Audio, LVDS,
CompactFlash, Mini – PCI, SerialATA, USB 2.0.
Multimedia Applications
For multimedia application solution, Intel® 915GM Express and ICH6 – M
chipset provides on board high performance graphics, 18 – bit LVDS interface,
HDTV TV – Out and Audio function. This feature will be good of use in very
requirement of the multimedia application.
Widely Expanded Interface
The board provides PCI – Express x 1 slot, you can add a third LAN port, 6 ~ 8
COM Port, and also provides Mini – PCI slot and CompactFlash Type II slot.

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Specification
Board AR-B1890
CPU Up to Intel® Pentium M 2.26G ( 400 / 533MHz
FSB ) Celeron® M 1.6G ( 400MHz FSB )
Chipset Intel® 915GM Express chipset + ICH6 - M
Memory DDR II SoDIMM slot support up to 2GB memory
Support dual channel DDR II 400 / 533 SoDIMM
VGA Built in Intel® 915GM GMCH Express chipset
I / O Control Intel® ICH6 – M + ITE 8712 + Fintek F81216D
LAN 1 Realtek RTL8100C 10 / 100Mbit LAN
1 Marvell 88E8053 10 / 100 / 1000Mbit LAN
Audio Intel® ICH6 – M with Realtek ALC655 Codec
IDE UDMA 33 / 66 / 100 ATAIDE connection
FDD 1 Slim FDD connection
SATA 2 Serial ATA ports
Slot 1 Mini – PCI slot
1 CompactFlash slot
1 PCI – Express x 1 slot
BIOS Phoenix – Award 4Mb PnP Flash
GPIO 8 – bit digital I / O
Green Function ACPI 1.0 and APM 1.2 compliant
Watchdog Timer System reset programmable watchdog timer with 1
~ 255 Min. of time - out
H / W Monitoring ITE 8712 support power supply voltage and
temperature monitoring functions
Real Time Clock Intel® ICH6 – M built – in RTC with Lithium battery
Form Factor Mini – ITX 6.69 “( L ) x 6.69” ( W ) / 17 x 17 mm
VGA Display
Chipset Intel® 915GM GMCH Express chipset
Memory Shared system memory up to 128MB
Display CRT / LCD monitor with analog for 18 – bit dual
channel LVDS interface
TV-OUT Support PAL/NTSC

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I / O Ports
Keyboard/ Mouse 1 PS / 2 ports
Serial 2 internal RS - 232 ports ( COM 3 / 4 )
1 external RS – 232 port ( COM 1 )
1 external RS – 232 / 422 / 485 port ( COM 2 )
VGA 1 VGA port
Audio 1 external jack for MIC – In / Line – In / Line – Out
LAN 2 external RJ – 45 ports with LED
USB 2 internal USB 2.0 ports
4 external USB 2.0 ports
Power And Environment
POWER ATX power connector
TEMPERATURE Operating temperature with 0°C~60°C
(32°F~140°F)
Storage temperature with 20°C~80°C
(-68°F~176°F)

Block Diagram
USB2.0 X 6
CFD X 1
SATA
PATA
USB2.0
MiniPCI
SLOT
NT:38
FINTEK
F81216D
Digital I/O
COM3 COM4
LPC FWH
ITE8712F
Ver-G NT:69
Ver-I NT:55
KB & MS
Slim FDC
R/B/G
18 Bit LVDS
TVOUT
Intel Pentium-M ITX Board
COM1
IRDA
COM2
SDVO
Connector
Dothan/Yonah
Processor
Intel 82915GM
F
S
B
IMVP-IV VR CK-410M
DDR2
Modules
Marvell
88E8053-A2-NNC LAN1
400/533MHz
PCI-E Gfx / SDVO
478 uFCPGA
1257 FCBGA
CRT
LVDS
TV-OUT
D
M
I
Intel 82801FBM
609 BGA
SATA X 2
IDE X 1
PCI-E 1X
PCI-E
Realtek
ALC655
RealTek
RTL8100C/8110S LAN2
5.1 Channels
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Mechanical Drawing
Component side
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Solder Side
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Hardware Installation
Connectors Location
Component Side
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Solder Side
I / O Panel
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List of Connectors
Connector Function
CN1 VGA Display / Audio Connector
CN2 Front Audio Connector
CN3 COM 3 RS-232 Connector
CN4 COM4 RS-232 Connector
CN5 CD - In Connector
CN6 TV - Out Connector
CN7 DVOB Connector
CN8 LVDS Connector
CN9 ATX Power Connector
CN10 IrDA Connector
CN11 System Fan Connector
CN12 Front Panel Connector
CN13 GPIO Connector
CN14 CPU Fan Connector
PS2-KBMS1 A / B PS2 Keyboard / Mouse Connector
FDD1 Slim Floppy Connector
IDE1 EIDE Connector
COM1 COM1 RS-232 Connector
COM2 COM2 RS-232 / RS-422 / RS-485 Connector
RJUSB1 A / B Gigabit LAN / USB Connector
RJUSB2 A / B Ethernet LAN / USB Connector
USB1 USB1 Connector
USB2 USB2 Connector
MPCI1 Mini - PCI Slot
CFD1 CompactFlash Slot
DIMM1 SoDIMM Slot
DIMM2 SoDIMM Slot
SATA1 SATA1 Connector
SATA2 SATA2 Connector
PCIE1 PCI - Express Slot

Jumpers Locations
List of Jumpers
JP3 LVDS Panel Voltage Selection ( +5V / +3.3V )
JP5 Clear CMOS Selection
JP6 COM2 RS232/422/485 Select
JP7 COM2 RS232/422/485 Select
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Jumpers Setting
OPEN 1 - 2 - 3 SHORT 1-2 SHORT 2-3
□○○■●○□●●
1 2 3 1 2 3 1 2 3
LVDS Panel Voltage Selection ( JP3 )
5V 3.3V
1 □○2 2 ●●3
Clear CMOS Selection ( JP5 )
Protected ClearCMOS
1 ■●2 2 ○○3

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COM2 RS232/422/485 Selection ( JP6,JP7 )
COM2 SETTING RS232
JP6 JP7
1 ■●2 3 ○1 ■●2
4 ●●5 6 ○3 ○○4
7 ●●8 9 ○5 ○○6
10 ●●11 12 ○
COM2 SETTING RS422
JP6 JP7
1 □2 ●●3 1 □○2
4 ○5 ●●6 3 ●●4
7 ○8 ●●9 5 ○○6
10 ○11 ●●12
COM2 SETTING RS485
JP6 JP7
1 □2 ●●3 1 □○2
4 ○5 ●●6 3 ○○4
7 ○8 ●●9 5 ●●6
10 ○11 ●●12

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VGA Display Connector ( CN1 )
Pin Assignment Pin Assignment
1 RED 2 GREEN
3 BLUE 4 N / C
5 GND 6 GND
7 GND 8 GND
9 VGA_VCC 10 GND
11 N / C 12 CRT _ DDCDATA
13 HSYNC 14 VSYNC
15 CRT_DDCCLK
5.1 Channel Audio Connector ( CN2 )
Pin Assignment Pin Assignment
1 LOUT _ R 2 LOUT _ L
3 GND 4 GND
5 SURROUND _ R 6 SURROUND _ L
7 GND 8 GND
9 LFE _ O 10 CEN _ O
11 GND 12 GND
13 SPDIF _ O 14 SPDIF _ I
COM 3 RS-232 Connector ( CN3 )
Pin Assignment Pin Assignment
1 DCD3# 2 RXD3
3 TXD3 4 DTR3#
5 GND 6 DSR3#
7 RTS3# 8 CTS3#
9 RI3# 10 N / C

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COM4 RS-232 Connector ( CN4 )
Pin Assignment Pin Assignment
1 DCD4# 2 RXD4
3 TXD4 4 DTR4#
5 GND 6 DSR4#
7 RTS4 8 CTS4#
9 RI4# 10 N / C
CD - In Connector ( CN5 )
Pin Assignment
1 CD-L
2 GND
3 GND
4 CD-R
TV - Out Connector ( CN6 )
Pin Assignment Pin Assignment
1 Y 2 C
3 GND 4 GND
5 CVBS 6 N / C
7 GND 8 N / C

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DVOB Connector ( CN7 )
Pin Assignment Pin Assignment
1 5V 2 3.3V
3 SDVOB_INT# 4 SDVOB_INT
5 2.5V 6 GND
7 SDVO_FLDSTALL# 8 SDVO_FLDSTALL
9 GND 10 GND
11 SDVOB_RED# 12 SDVOB_RED
13 GND 14 GND
15 SDVOB_GREEN# 16 SDVOB_GREEN
17 GND 18 GND
19 SDVOB_BLUE# 20 SDVOB_BLUE
21 GND 22 GND
23 SDVOB_CLK# 24 SDVOB_CLK
25 GND 26 GND
27 SDVOCTRL_CLK 28 N / C
29 SDVOCTRL_DATA 30 N / C
31 GND 32 GND
33 SDVOB_RST# 34 N / C