Acrosser AR-B1841 User Manual

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AR-B1841 User’s Guide

AR-B1841

Pentium M inside,PCI GH Half Size ,On Board VGA,LVDS

with Two DDR SO-DIMM, built in LAN,CF Type-II

Edition: 0.1

Book Number: AR-B1841-05.11.22

AR-B1841 User’s Guide

Manual first edition Nov 22, 2005 The information in this document is subject to change without prior notice in order to improve reliability, design and function and does not represent a commitment on the part of the manufacturer. In no event will the manufacturer be liable for direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages. This document contains proprietary information protected by copyright. All rights are reserved. No part of this manual may be reproduced by any mechanical, electronic, or other means in any form without prior written permission of the manufacturer.

Trademarks

AR-B1841 is registered trademarks X-Fire Acrosser, IBM PC is a registered trademark of International Business Machines Corporation. Pentium is a registered trademark of Intel Technologies, Inc. Award is registered trademarks of Award Software International, Inc. Other product names mentioned herein are used for identification purposes only and may be trademarks and/or registered trademarks of their respective companies.

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AR-B1841 User’s Guide

Contents

Contents................................................................ 3

Introduction............................................................. 5

1.1 Specifications:....................................................................... 5

1.2 What You Have..................................................................... 7

Installation .............................................................. 8

2.1 AR-B1841’s Layout............................................................... 8

2.2 Power Button Setting .......................................................... 10

2.3 CMOS Reset....................................................................... 11

2.4 Jumper description.............................................................. 11

Connection............................................................ 14

3.1 Ultra ATA33/66/100 IDE Disk Drive Connector(IDE1,2).... 14

3.2 Serial Ports(COM1~4)........................................................ 15

3.3 Keyboard / Mouse Connector(MS_KB1,2) ........................ 16

3.4 USB Port Connector(USB1~4)........................................... 17

3.5 Fan Connector (FAN1) ....................................................... 17

3.6 LAN RJ45 Connector (J4)................................................... 18

3.7 Compact Flash Storage Card Socket(CF1)........................ 18

3.8 VGA Connector(VGA1)....................................................... 19

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3.9 AUDIO Connector(AUDIO1).............................................. 20

3.10 DDR SODIMM Socket (CON1,2)........................................ 20

3.11 8-BIT GPIO Connector(GPIO1).......................................... 20

3.12 FDD(FDD1)......................................................................... 21

3.13 Parallel port(LPT1).............................................................. 21

3.14 LVDS Connector(LCD1) ..................................................... 22

Award BIOS Setup................................................ 23

4.1 Introduction ......................................................................... 23

4.2 Starting Setup ..................................................................... 23

4.3 Using Setup......................................................................... 24

4.4 Main Menu .......................................................................... 25

4.5 Advanced BIOS Features ................................................... 28

4.6 PnP/PCI Configuration Setup ............................................. 30

4.7 Peripheral............................................................................ 31

4.8 PC Health............................................................................ 33

4.9 Boot .................................................................................... 34

4.10 Exit Selecting ...................................................................... 35

AR-B1841

Introduction

1.1 Specifications:

CPU

: Supports Intel Pentium M, Celeron M CPU.

AR-B1841 User’s Guide

Chipset RAM memory

GB/266MHz.

Display Controller

Supports LVDS Encoders.

Ultra DMA 133 IDE Interface CompactFlash

Compact Flash Disk or IBM Micro Drive.

Series ports

also support RS-422/485.

FDD Interface:

and/or 3.5”(720KB, 1.44MB, and 2.88MB).

Parallel Port: USB port : Audio Connector: Digital IO: IrDA:

IR(ASKIR)interface.

PS/2 Mouse/Keyboard Connector

: GMCH 852GM and ICH4 82801DB

: Two DDR SDRAM SO-DIMM Socket support to 2

: Intel 852GM Supports non-interlaced CRT monitors

: Two PCI Enhance IDE channel.

interface

: Four high-speed 16C550 compatible UARTs ports.COM4 can

Supports up to two floppy disk drives, 5.25”(360KB and 1.2MB)

IEEE-1284 compliant. Supports SPP/EPP/ECP mode.

Support Six USB 2.0 compatible ports.

supports Line-in, Line-out, MIC-in.

Supports eight digital-in, and eight digital-out TTL-level I/O ports.

Supports Serial Infrared(SIR) or Amplitude Shift Keyed

: Supports CompactFlash

Type II socket for

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Watchdog timer

generate when CPU did not periodically trigger the timer.

Intel LAN Controller

82551QM 10/100BASE-TX or 82541PI 1000BASE-TX(Optional) your LAN through RJ45 connector.

Power Consumption Operating Temperature Dimension:

: Time setting form 1 to 255 second / minute System Reset

1 ports IEEE 802.3u Auto-Negotiation support for Intel

: 12V / 2.5A ,5V / 3.7A ( 3DMark2001 )

: -10° ~ 60° C ( CPU needs Cooler)

122mm(W) X 185mm(L)

Connected to

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AR-B1841 User’s Guide

1.2 What You Have

In addition to this User's Manual, the AR-B1841 package includes the following items:

AR-B1841 board IDE Cable USB Cable with breacket Keyboard / Mouse Adapter Y Cable RS-232 serial ports Cable with bracket Audio Cable Power Cable Print Port Cable Drive CD

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AR-B1841 User’s Guide

Installation

This chapter describes how to install the AR-B1841. At first, the layout of AR-B1841 is shown, and the unpacking information that you should be careful is described. The jumpers and switches setting for the AR-B1841’s configuration

2.1 AR-B1841’s Layout

Top Placement

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AR-B1841 User’s Guide

Bottom Placement

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2.2 Power Button Setting

PW1 : Power Connector

•

PIN DESCRIPTION PIN DESCRIPTION

1 +5V 6 5VSP 2 +5V 7 +5V 3 GND 8 GND 4 GND 9 PS_ON 5 +12V 10 VCC12J

J5 : Power Button Connector

•

Pin DESCRIPTION

Open Showdown Short Power ON

J6 : Power LED Connector

•

Pin DESCRIPTION

1 +5V 2 GND

J7 : Reset Button Connector

•

Pin DESCRIPTION

Open Normal Short Reset System

CN8 : Power ON Pin Header

•

Pin DESCRIPTION

1 GND 2 PS_ON 3 5VSB

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2.3 CMOS Reset

JBAT1 : CMOS pin header

•

JBAT1 DESCRIPTION

1-2 Normal Operation 2-3 Reset CMOS

2.4 Jumper description

JP1 : Select CF Master or Slave mode

•

JP1 Description

Short Master Open Slave

JP2 : Keyboard Lock

•

JP2 Description

Open Unlock Short Lock

• JP3 : COM1/2 Select RI is 12V or signal

PIN DESCRIPTION PIN DESCRIPTION

1 NRIA 2 NRIA_12V 3 +12V 4 NRIA_12V 5 NRIB 6 NRIB_12V 7 +12V 8 NRIB_12V

JP4 : Select COM4 is RS232 or RS422/485

•

JP4 Description

1-2 RS232

2-3 RS422/485

J2 : HDD LED

•

PIN Description

1 +5V 2 Signal

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J3 : Case Open

•

J3 Description

Open Normal Short Power off

JCLK1 : Select CPU External Frequency

•

JCLK1 Description

1-2 133MHz

2-3 100MHz

RI1 : RI Jumper for test Wake Up System Only

•

PIN Description

Open Normal Short System Wake Up

IR1 : Infrared Pin Header

•

PIN Description

1 +5V 2 NC 3 RX 4 GND 5 TX 6 VCC2

JP5 : Select LCD Voltage

•

JP5 Description

1-2 +3.3V

2-3

+5V

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J1 : Inverter Power Connector

•

PIN NO. DESCRIPTION

1 +12V 2 +12V 3 GND 4 BKLTEN 5 GND 6 BKLTCTL

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Connection

This chapter describes how to connect peripherals, switches and indicators to the AR-B1841 board.

3.1 Ultra ATA33/66/100 IDE Disk Drive Connector(IDE1,2)

You can attach two IDE( Integrated Device Electronics) hard disk drives to the AR-B1841 IDE controller.

IDE 1 : Primary IDE Connector (40 Pins)

PIN NO. DESCRIPTION PIN NO.

DESCRIPTION

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 N/C 22 GROUND 23 IOW# 24 GROUND 25 IOR# 26 GROUND 27 N/C 28 BALE - DEFAULT 29 N/C 30 GROUND - DEFAULT 31 INTERRUPT 32 IOCS16#-DEFAULT 33 SA1 34 N/C 35 SA0 36 SA2 37 HDC CS0# 38 HDC CS1# 39 HDD ACTIVE# 40 GROUND

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IDE 2 : Secondary IDE Connector (44 Pins)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 RESET# 2 GROUND

3 DATA 7 4 DATA 8

5 DATA 6 6 DATA 9

7 DATA 5 8 DATA 10

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3.2 Serial Ports(COM1~4)

The AR-B1841 offers two high speeds NS16C550 compatible UARTs with Read/Receive 16 byte FIFO serial ports.

• COM1/2/3 : RS-232 Serial port (Pin Header)

PIN DESCRIPTION PIN DESCRIPTION

1 NDCD 2 NDSR 3 NSIN 4 NRTS 5 NRIB 6 NCTS 7 NSOUT 8 NRI 9 GND 10 NC

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• COM4 : RS-232 with RS-422/485 Serial port(Pin Header)

PIN DESCRIPTION PIN DESCRIPTION

1 NDCD 2 NDSR 3 NSIN 4 NRTS 5 NRIB 6 NCTS 7 NSOUT 8 NRI

9 GND 10 GND 11 TX+ 12 TX13 RX+ 14 RX-

3.3 Keyboard / Mouse Connector(MS_KB1,2)

A PS/2 type connector(MS_KB1)is for easy connection to a keyboard and PS/2 mouse. The board comes with a Y split PS/2 cable for keyboard and mouse connection.

MS_KB2 : 6-pin Mini-DIN Keyboard/Mouse Connector

•

PIN NO. DESCRIPTION

1 MOUSE DATA 2 KEYBOARD DATA 3 GROUND 4 +5V 5 MOUSE CLOCK 6 KEYBOARD CLOCK

MS_KB1 : Keyboard Mouse PS2 Port

•

PIN DESCRIPTION PIN DESCRIPTION

1 KB_DAT 2 MS_DAT 3 GND 4 +5V 5 KB_CLK 6 MS_CLK 7 GND 8 GND

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3.4 USB Port Connector(USB1~4)

The AR-B1841 provides six USB port, four pin header, two connectors .

USB1/2 : USB Connector

•

PIN Description

1 VCC 2 USB3 USB+ 4 GND

• USB3/4 : USB Connector(Pin header)

PIN DESCRIPTION PIN DESCRIPTION

1 3 5 7 9

VCC

USB3/4_0-

USB3/4_0+

GND

USB_GND

2 4 6 8

VCC

USB3/4_1-

USB3/4_1+

GND

USB_GND

3.5 Fan Connector (FAN1)

The AR-B1841 provides one connectors for CPU cooling fan they can be controlled by Super I/O Chip.

FAN1: Fan Connector for CPU

•

PIN NO. DESCRIPTION

1 GND 2 +12V 3 PWM Signal

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AR-B1841 User’s Guide

3.6 LAN RJ45 Connector (J4)

AR-B1841 is equipped with built-in 10/100Mbps or 1000Mbps(Option) Ethernet Controller. You can connect it to your LAN through RJ45 LAN connector. The pin assignments are as following:

• J4 : LAN RJ45 Connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 TX+ 5. N/C 2 TX- 6. RX-

3. RX+ 7. N/C

4. N/C 8. N/C

3.7 Compact Flash Storage Card Socket(CF1)

The AR-B1841 configures Compact Flash Storage Card in IDE Mode. This type II Socket is compatible with IBM Micro Drive.

CF1 : Compact Flash Storage Card Socket pin assignment

•

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 GROUND 26 CARD DETECT1 2 D3 27 D11 3 D4 28 D12 4 D5 29 D13 5 D6 30 D14 6 D7 31 D15 7 CS1# 32 CS3# 8 N/C 33 N/C

9 GROUND 34 IOR# 10 N/C 35 IOW# 11 N/C 36 PULL HIGH

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AR-B1841 User’s Guide

12 N/C 37 IRQ15 13 VCC 38 VCC 14 N/C 39 MASTER/SLAVE 15 N/C 40 N/C 16 N/C 41 RESET# 17 N/C 42 IORDY 18 A2 43 N/C 19 A1 44 PULL HIGH 20 A0 45 ACTIVE# 21 D0 46 PDIAG# 22 D1 47 D8 23 D2 48 D9 24 N/C 49 D10 25 CARD DETECT2 50 GROUND

Note: If IDE2 & CFD1 both in used, CFD1 must be as “Master” & IDE2 is as “Slave”.

3.8 VGA Connector(VGA1)

The AR-B1841 has a built-in 15-pin VGA connector accepting the CRT monitor

VGA1 : 15-pin D-Sub Connector

•

PIN DESCRIPTION PIN DESCRIPTION

1 L_RED 2 L_GREEN 3 L_BLUE 4 MON2PU 5 GND 6 GND 7 GND 8 GND

9 +5V 10 GND 11 MONOPU 12 5VDDCDA 13 HSYNC 14 VSYNC 15 5VDDCCL

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AR-B1841 User’s Guide

3.9 AUDIO Connector(AUDIO1)

AUDIO1 : Audio Pin Header

•

PIN DESCRIPTION PIN DESCRIPTION

1 NC 2 LINE_IN_L

3 NC 4 LINE_IN_R

5 +12V 6 +5V

7 LINE_OUT_L 8 MIC_IN

9 LINE_OUT_R 10 PCBEEP 11 GND 12 GND 13 GND 14 GND

3.10 DDR SODIMM Socket (CON1,2)

There are two 200-pin DDR SDRAM DIMM slots to accept 2.5V non_buffered DDR SDRAM. The max Memory size is 2GB.

• CON1/2

3.11 8-BIT GPIO Connector(GPIO1)

• GPIO1: 8 BIT GPIO Connector

PIN DESCRIPTION PIN DESCRIPTION

1 GP10 2 GP11

3 GP12 4 GP13

5 GP14 6 GP15

7 GP16 8 GP17

9 GND 10 VCC

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AR-B1841 User’s Guide

3.12 FDD(FDD1)

AR-B1841 board is equipped with a 34-pin daisy-chain driver connecting cable.

• FDD1: FDC Connector

PIN DESCRIPTION PIN DESCRIPTION

1 GND 2 DENSEL#

3 GND 4 X

5 KEY 6 DRATE

7 GND 8 INDEX#

9 GND 10 MOTEA# 11 GND 12 DRVB# 13 GND 14 DRVA# 15 GND 16 MOTEB# 17 GND 18 DIR# 19 GND 20 STEP# 21 GND 22 WDATA# 23 GND 24 WGATE# 25 GND 26 TK00# 27 GND 28 WPT# 29 X 30 RDATA# 31 GND 32 STDE1# 33 X 34 DSKCHG#

3.13 Parallel port(LPT1)

This port is usually connected to a printer. The AR-B1841 includes an on-board parallel port.

• LPT1: Parallel Port Connector

PIN DESCRIPTION PIN DESCRIPTION

1 STB- 14 AFD-

2 PD0 15 ERR-

3 PD1 16 INIT-

4 PD2 17 SLIN-

5 PD3 18 GND

6 PD4 19 GND

7 PD5 20 GND

8 PD6 21 GND

9 PD7 22 GND 10 ACK- 23 GND 11 BUSY 24 GND 12 PE 25 GND 13 SLCT 26 X

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3.14 LVDS Connector(LCD1)

• LCD1 : LVDS Interface Connector

PIN DESCRIPTION PIN DESCRIPTION

1 LVDS_PWR 2 GND 3 LVDS_CLKBM 4 LVDS_CLKBP 5 GND 6 LVDS_YBM2 7 LVDS_YBP2 8 GND

9 LVDS_YBM1 10 LVDS_YBP1 11 LVDS_YBP3 12 LVDS_YBM3 13 LVDS_YBP0 14 LVDS_YBM0 15 GND 16 LVDS_CLKAP 17 LVDS_CLKAM 18 GND 19 LVDS_YAP2 20 LVDS_YAM2 21 DDCPCLK_X 22 LVDS_YAP1 23 LVDS_YAM1 24 DDCPDATA_X 25 LVDS_YAP0 26 LVDS_YAM0 27 LVDS_YAP3 28 LVDS_YAM3 29 LVDS_PWR 30 LVDS_PWR

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AR-B1841 User’s Guide

Award BIOS Setup

4.1 Introduction

This chapter discusses the Setup program built into the BIOS. The Setup program allows users to configure the system. This configuration is then stored in battery-backed CMOS RAM so that it retains the Setup information while the power is off.

4.2 Starting Setup

The BIOS is immediately active when you turn on the computer. While the BIOS is in control, the Setup program can be activated in one of two ways:

1. By pressing <Del> immediately after switching the system on, or

2. By pressing the <Del> key when the following message appears briefly at the bottom of the screen during the POST (Power On SelfTest).

Press DEL to enter SETUP.

If the message disappears before you respond and you still wish to enter Setup, restart the system to try again by turning it OFF then ON or pressing the "RESET" button on the system case. You may also restart by simultaneously pressing <Ctrl>, <Alt>, and <Delete> keys. If you do not press the keys at the correct time and the system does not boot, an error message will be displayed and you will again be asked to...

PRESS F1 TO CONTINUE, DEL TO ENTER SETUP

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AR-B1841 User’s Guide

4.3 Using Setup

In general, you can use the arrow keys to highlight items, press <Enter> to select, use the PageUp and PageDown keys to change entries, press <F1> for help and press <Esc> to quit. The following table provides more details about how to navigate in the Setup program using the keyboard.

Key Function Up Arrow Move to the previous item Down Arrow Left Arrow Move to the item on the left (menu bar) Right Arrow Move to the item on the right (menu bar) Esc Main Menu: Quit without saving changes

Move Enter Move to the item you desired PgUp key Increase the numeric value or make changes PgDn key Decrease the numeric value or make changes + key Increase the numeric value or make changes

- key Decrease the numeric value or make changes Esc key Exit Menu -- Quit and not save changes into CMOS

F1 key General help on Setup navigation keys F5 key Load previous values from CMOS F6 key Load the fail-safe defaults from BIOS default table F7 key Load the optimized defaults F10 key Save all the CMOS changes and exit

Move to the next item

Submenus: Exit Current page to the next higher level menu

Status Page Setup Menu and Option Page Setup Menu -- Exit current page and return to Main Menu

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AR-B1841 User’s Guide

4.4 Main Menu

The items in Standard CMOS Setup Menu are divided into 10 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn> keys to select the value you want in each item.

Figure 1: The Main Menu

Main Menu Selections

Item Options Description

Date MM DD YYYY Set the system date. Time HH : MM : SS Set the system time IDE Primary Master

IDE Primary Slave

IDE Secondary Master

IDE Options are in its sub Press <Enter> to enter

Options are in its sub menu (described in Table 3) Options are in its sub menu (described in Table 3) Options are in its sub menu (described in Table 3)

AR-B1841

Press <Enter> to enter the sub menu of detailed options Press <Enter> to enter the sub menu of detailed options Press <Enter> to enter the sub menu of detailed options

AR-B1841 User’s Guide

Secondary Slave menu

(described in Table 3)

Drive A & Drive B None

360K, 5.25 in

1.2M, 5.25 in

1.720K, 3.5 in

1.44K, 3.5 in

2.88K, 3.5 in

Video EGA / VGA

CGA 40 CGA 80 Mono

Halt On All Errors

No Errors All, but Keyboard All, but Diskette All, but Disk/Key

Base Memory N/A Displays the amount of

Extended Memory N/A Displays the amount of

Total Memory N/A Displays the total

Table 1 Main Menu Selections

the sub menu of detailed options Select what kind of floppy type you install

Select what type of Display you use

Select the situation in which you want the BIOS to stop the POST process and notify you

conventional memory detected during boot up

extended memory detected during boot up

memory available in the system

IDE Adapters

The IDE adapters control the hard disk drive. Use a separate sub menu to configure each hard disk drive. Figure 2 shows the IDE primary master sub menu.

IDE HDD Auto-Detection [Press Enter]

IDE Primary Master [Auto] Access Mode [Auto] C a p a c i t y 0 M B

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AR-B1841 User’s Guide

Cylinder 0 H e a d 0 P r e c o m p 0 Landing Zone 0 S e c t o r 0

Figure 2 IDE Primary Master sub menu

Use the legend keys to navigate through this menu and exit to the main menu. Use Table 2 to configure the hard disk.

Item Options Description

IDE HDD Auto-detection Press Enter Press Enter to auto-detect

the HDD on this channel. If detection is successful, it fills the remaining fields on this menu.

IDE Primary Master None

Auto Manual

Capacity Auto Display

your disk drive size

Access Mode CHS

LBA Large Auto

Table 2 Hard disk selections

Selecting ‘manual’ lets you set the remaining fields on this screen. Selects the type of fixed disk. "User Type" will let you select the number of cylinders, heads, etc. Note: PRECOMP=65535 means NONE ! Disk drive capacity (Approximated). Note that this size is usually slightly greater than the size of a formatted disk given by a disk checking program. Choose the access mode for this hard disk

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AR-B1841 User’s Guide

4.5 Advanced BIOS Features

This section allows you to configure your system for basic operation.

Figure 3 Advanced menu

APIC Mode

This item allows use Advanced Programmable Interrupt Controller feature. The Choice: Enabled, Disabled.

Quick Power On Self Test

This category speeds up Power On Self Test (POST) after you power up the computer. If it is set to Enable, BIOS will shorten or skip some check items during POST.

Enabled Enable quick POST Disabled Normal POST

Full Screen LOGO Show

This item allows you to enable or disable show full screen LOGO

The Choice: Enabled, Disabled.

USB Keyboard Support

This item allows you to enable or disable USB keyboard support. The Choice: Enabled, Disabled.

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AR-B1841 User’s Guide

PS/2 Mouse Function

Disabled-prevents any installed PS/2 mouse from functioning but frees up IRQ12.Enabled-allows the operating system to determine whether to enable or disable the mouse. Choice: Enabled, Disabled.

Init Display First

This item allows you to choose which Display to be first detected. The Choice: PCI Slot, On Board / AGP.

Intel VGA Share Memory

This item allows you to Choose the Frame Buffer size for Display. The Choice: 1MB, 4MB, 8MB, 16MB, 32MB.

Boot Display

This item allows you to choose display interface

The Choice: Vbios default, CRT, EFP, TV, CRT + EFP, CRT + TV.

Panel Type

This item allows you to choose display panel type and resolution

The Choice: 640x480,800x600,1024x768.

ACPI Function

This item allows you to enable or disable

Power Management (

The Choice: Enabled, Disabled.

ACPI) function.

Advanced Configuration and

ACPI Suspend Type

This item allows you to Choose Suspend Type for ACPI function. The Choice: S1(Pos), S3(STR), S1 & S3.

Power Supply Type

This item allows you to choose the Type of Power Supply in use. The Choice: AT, ATX.

PWRON After Power-Fail

This item allows you to choose the Option of Power Status after Power Fail by ATX Power Supply. The Choice: Former-STS, On, Off.

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AR-B1841 User’s Guide

4.6 PnP/PCI Configuration Setup

Figure 4 PnP/PCI menu

Resource controlled by

The Award Plug and Play BIOS has the capacity to automatically configure all of the boot and Plug and Play compatible devices. However, this capability means absolutely nothing unless you are using a Plug and Play operating system such as Windows95. If you set this field to “manual” choose specific resources by going into each of the sub menu that follows this field (a sub menu is preceded by a “”). The choice: Auto(ESCD), Manual.

IRQ Resources

When resources are controlled manually, assign each system interrupt a type, depending on the type of device using the interrupt.

IRQ3/4/5/7/9/10/11/12/14/15 assigned to

This item allows you to determine the IRQ assigned to the ISA bus and is not available to any PCI slot. Legacy ISA for devices compliant with the original PC AT bus specification, PCI/ISA PnP for devices compliant with the Plug and Play standard whether designed for PCI or ISA bus architecture. The Choice: PCI Device, Reserved.

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AR-B1841 User’s Guide

4.7 Peripheral

Figure 5 Peripheral menu

Onboard Serial Port 1/Port 2

Select an address and corresponding interrupt for the first and second serial ports. The choice: 3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, Auto

UART Mode Select

Select the Function Mode for UART. The choice: IrDA, ASKIR, Normal

Onboard Serial Port 3/Port 4

Select an address and corresponding interrupt for the first and second serial ports. The COM3 choice: 3F8/IRQ11, 2E8/IRQ11, 3E8/IRQ11, 2F8/IRQ11, Disabled The COM4 choice: 3F8/IRQ10, 2E8/IRQ10, 3E8/IRQ10, 2F8/IRQ10, Disabled

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AR-B1841 User’s Guide

Onboard Parallel Port

Select 3BC/IRQ7 to enable On Board Parallel Port as first Parallel Interface. The choice: Disable, 378/IRQ7, 278/IRQ5, 3BC/IRQ7.

USB Controller

Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have USB peripherals. The Choice: Enabled, Disabled.

USB 2.0 Controller

This Entry is for disable / enable EHCI controller only. The Bios itself may / may not have high speed USB support. If the Bios has high speed USB support built in, the support will be automatically turn on when high speed device were attached. The Choice: Enabled, Disabled.

AC97 AUDIO

The Choice: Auto, Disabled.

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AR-B1841 User’s Guide

4.8 PC Health

Figure 5 H/W Monitor menu

Shutdown Temperature

This item allows the system to reset when temperature reach the trigger level. The Choice: Disabled, 60°C/140°F, 65°C/149°F, 70°C/158°F, 75°C/167

°F

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AR-B1841 User’s Guide

4.9 Boot

Figure 6 Boot menu

First/Second/Third/Other Boot Device

The BIOS attempts to load the operating system from the devices in the sequence selected in these items.

The Choice:

 Floppy ………. [ ]  LS120 ………. [ ]  Hard Disk …. [ ]  CDROM … …….[ ]  ZIP100 ………. [ ]  USB-FDD .. …...[ ]  USB-ZIP .. …...[ ]  USB-CDROM .. [

▪]

 On Board LAN …[ ]  Disabled ….. ……[ ]

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4.10 Exit Selecting

 Save & Exit Setup  Load Optimized Defaults  Exit Without Saving  Load Fail-Save Default

AR-B1841 User’s Guide

Figure 8

Save & Exit Setup

Pressing <Enter> on this item asks for confirmation: Save to CMOS and EXIT (Y/N)? Y Pressing “Y” stores the selections made in the menus in CMOS – a

special section of memory that stays on after you turn your system off. The next time you boot your computer, the BIOS configures your system according to the Setup selections stored in CMOS. After saving the values the system is restarted again.

Load Optimized Defaults

Exit menu

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AR-B1841 User’s Guide

Use this menu to load the BIOS default values that are factory settings for optimal performance system operations. While Award has designed the custom BIOS to maximize performance, the factory has the right to change these defaults to meet their needs.

When you press <Enter> on this item you get a confirmation dialog box with a message similar to:

Load Optimized Defaults (Y/N) ? N Pressing ‘Y’ loads the default values that are factory settings for optimal

performance system operations.

Exit Without Saving

Pressing <Enter> on this item asks for confirmation: Quit without saving (Y/N)? Y

This allows you to exit Setup without storing in CMOS any change. The previous selections remain in effect. This exits the Setup utility and restarts your computer.

Load Fail-Safe Defaults

Use this menu to load the BIOS default values that are factory settings for safety system operations.

When you press <Enter> on this item you get a confirmation dialog box with a message similar to:

Load Fail-Safe Defaults (Y/N) ? N

Pressing ‘Y’ loads the default values that are factory settings for Fail-Safe system operations.

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Acrosser AR-B1841 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual