AXIOMTEK SBC8241 User manual






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
 !
"!"!#

!
!
!
"!
$!#
%!!

!!""##!#!
 
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

 !"#
$""%&%"

AXIOMTEK is a trademark of AXIOMTEK Co., Ltd.
IBM is a registered trademark of International Business
Machines Corporation.
MS-DOS, Windows 95 are trademarks of Microsoft
Corporation.
Other brand names and trademarks are the properties
and registered brands of their respective owners.

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

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SBC8241 half-size CPU card
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User’s Manual
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Warranty Card
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Keyboard connector
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FDD & HDD cable
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Printer cable bracket
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Nuts x 4
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Screws x 4
 


!"


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Table of Contents

Chapter 1
Chapter 1Chapter 1
Chapter 1 Introduction
IntroductionIntroduction
Introduction
   
Chapter 2
Chapter 2Chapter 2
Chapter 2 Jumpers and Connectors
Jumpers and ConnectorsJumpers and Connectors
Jumpers and Connectors
   
2.1.1 CPU Voltage Select: JP1.........................................6
2.1.2 CPU L1 Cache Type: JP3.........................................6
2.1.3 CPU Type Select: JP4 ..............................................6
2.1.4 COM2 RS-232/422/485 Settings: JP5 ~ JP7.............6
2.1.5 Watchdog Timer Function Select: JP8 ...................6
2.1.6 M-Systems Address Select: JP9...............................7
2.1.7 Clear CMOS Jumper: JP10......................................7
  
Chapter 3
Chapter 3Chapter 3
Chapter 3 Installation
InstallationInstallation
Installation
  
    
    
Chapter 4
Chapter 4Chapter 4
Chapter 4 AMI BIOS Setup
AMI BIOS SetupAMI BIOS Setup
AMI BIOS Setup
! ""#$% 
4.1.1 Entering Standard CMOS SETUP ...........................12
4.1.2 Moving Around the Standard CMOS SETUP Screen
13
4.1.3 Using Standard CMOS SETUP ................................13
4.1.4 Changing Standard CMOS SETUP Values ............16
! &"'"#"$%  
4.2.1 Making Changes Under the Advanced SETUP ....17
4.2.2 Advanced CMOS SETUP........................................18
4.2.3 Advanced Chipset Setup .....................................20
!   
!! &()*")+  
!, '-" 
! &-# 
! &-.  !
!/ '#$%0  !
! 1'$%2 !
!  $  ,
Appendix A
Appendix AAppendix A
Appendix A Pin Assignments
Pin AssignmentsPin Assignments
Pin Assignments
Appendix B
Appendix BAppendix B
Appendix B AMI BIOS Fatal Error
AMI BIOS Fatal ErrorAMI BIOS Fatal Error
AMI BIOS Fatal Error
Codes
CodesCodes
Codes


Table of Contents




Table of Contents


SBC8241 486 All-in-One Half-size CPU Card User’s Manual
Introduction#



$%&'()#*&$*
*+
 
&,#)'-!#)'.
%&'()#/"
%0%$'1)'2
$%&'()#-(*%
"3442)&5"6!7
*3%(8(9
3%(8(!)((!)':;#2::13$<
*%!5!5
"5 7""
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35%5$ 1:*#111


SBC8241486 All-in-One Half-size CPU Card User’s Manual
Introduction
(
67"
"5 &6%
!#1)4
$*+)'2
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 
$ 
8(*)'2

!*
*
**
  !
#"Bus Type: ISA bus; 98 pins for 16-bit ISA
interface
#"CPU: Supports Intel/AMD 80486DX
33/66/100/133 MHz
#"Cache: 512KB L2 synchronous cache
#"Memory: Two 72-pin SIMM sockets accepting
1, 2, 4, 8, 16 or 32 MB SIMM
modules; supports FPM/EDO DRAM
#"Chipset: System Chipset: ALI M1487/ M1489
I/O Chipset: SMC 37C669
#"RTC: Dallas DS-12B887 with lithium
battery backup for 10 years of data
retention
#"S.S.D.: Socket for M-Systems DiskOnChipTM
#"IDE: Supports up to two, PIO mode 3, 4
EIDE hard disk and ATAPI CD-ROM
interface
#"FDD: Supports up to two floppy disk
drivers, 3.5” and/or 5.25”

SBC8241 486 All-in-One Half-size CPU Card User’s Manual
Introduction8
#"Parallel Port: Enhanced bi-directional
SPP/EPP/ECP parallel port
#"Serial port:
!"
One RS232 port with 16C550 UART
!"
One RS232/422/485 port with 16C550 UART
#"Watchdog Timer: Can generate a system RESET with
timer intervals at 0.5 – 1000
seconds (16-level)
#"Keyboard Connector:
!"
One 6-pin Mini-Din connector is located on the mounting
bracket
!"
One pin header connector for external keyboard
adapter
#"Expansion Bus: 16-bit PC/104 connector for
expansion modules
#"Power Supply Single power +5V/2.5A with 8-pin
Voltage: PS/2 type connector
#"Operating Temp.: 32°F to 140°F (0°C to 60°C)
#"Board Size: 7.2” (185mm) x 4.8” (122mm)

SBC8241486 All-in-One Half-size CPU Card User’s Manual

)


SBC8241 486 All-in-One Half-size CPU Card User’s Manual
Jumpers and Connectors:


$=
%&'()#


SBC8241486 All-in-One Half-size CPU Card User’s Manual
Jumpers and Connectors
2
" #$ 
 
Options Settings
5.0V Short 1-3, 2-4
3.45V Short 3-5, 4-6
  !"
Options Settings
Write Back Open
Write Through Short
"  !#
Options Settings
Intel DX/DX2/DX4 W/T Open
Intel DX4 W/B Open: 3x; Short: 2x
AMD/ST DX2/DX4 Open: 3x; Short: 2x
AMD 5x86 Open: 3x; Short: 4x
# $%&'"(#(#)*+*,-
COM2 JP5 JP6 JP7
RS-232 1-2 3-5,4-6 3-5,4-6
RS-422 3-4 1-3,2-4 1-3,2-4
RS485 5-6 1-3,2-4 1-3,2-4
* ./0++)
Options Settings
Activate NMI when watchdog triggered 1-2
Reset system when watchdog triggered 2-3
Watchdog function disable Open


SBC8241 486 All-in-One Half-size CPU Card User’s Manual
Jumpers and Connectors-
1 %' ..2
Options Settings
C8000-CFFFF Open
D0000-D7FFF 1-2
D8000-DFFFF 3-4
E0000-E7FFF 1-2,3-4
- %$0!3
Options Settings
Clear CMOS data 
Normal Operation 
"" ! !
$
%
5

Connectors Label
HDD (IDE) connector CN1
FDD connector CN2
Parallel port CN3
PC/104 connector CN9,CN10
Keyboard connectors CN7
Reset switch connector CN13
External speaker connector CN12
HDD LED connector CN14
SBC power connector CN4
RS-232 serial port CN5,CN6
RS-422, 485 serial port CN6
Keylock & Power LED CN11
External keyboard connector CN8

SBC8241 486 All-in-One Half-size CPU Card User’s Manual

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SBC8241 486 All-in-One Half-size CPU Card User’s Manual
Installation.
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>
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Passive backplane (optional)
!"
Power supply
!"
IBM PC/AT keyboard
!"
Display monitor
!"
Floppy or hard disk with MS-DOS or Flash Disk emulator
% & &
1. Insert the first SIMM edge connector at a slight
angle into the socket of SIMM 1, close to CPU
socket. Note that the SIMMs are latched and will
only go in one direction.
2. Gently push the SIMM backward into the connector
until the locking tabs at both ends snap into place.
3. Check and make sure the SIMM is secured properly
into the socket.
4. Repeat steps 1-3 for the remaining SIMM in SIMM 2
socket.

SBC8241 486 All-in-One Half-size User’s Manual
Installation
#1
%" !  '
1. Place the CPU at the middle of the socket, orienting
its pin 1 (notched corner) with pin 1 of the socket.
2. Align the CPU to the socket in order to avoid
breaking the pins.
3. Mount the CPU carefully onto the socket.
4. Be sure to configure the jumper settings of JP1, JP2,
JP3 and JP4.
NOTE: When the CPU speed over 75MHz, a CPU COOLER
to reduce CPU temperature is highly
recommended.
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1. Configure the jumpers according to your system
configuration and the corresponding jumper
settings listed in Chapter 2.
2. Make sure the power is OFF.
3. Firstly when using PC/104 peripherals, install the
PC/104 card into the PC/104 socket of the half-sized
486 CPU card.
4. Install the half-sized 486 CPU card into an ISA
passive backplane or just let it stand alone as a
Single Board Computer.
5. Connect the I/O cables and peripherals, i.e. floppy
disk, hard disk, monitor, keyboard, power supply,
etc..
NOTE: The color of pin one on I/O cables is usually red or
blue, while others are gray.
6. Turn ON the system power.

SBC8241 486 All-in-One Half-size User’s Manual
AMI BIOS Setup##
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#"New systems - if the system is new and has never had
the configuration list entered, you will need to run SETUP
and select “Auto Configuration with Optimal Settings”.
#"After equipment additions - if you change the
equipment configuration by adding or removing add-on
options, you will need to re-run SETUP and enter the new
configuration.
#"Configuration memory loss - if the contents of
configuration memory are lost (due to a worn out battery,

SBC8241 486 All-in-One Half-size User’s Manual
AMI BIOS Setup
#(
for example), you will need to re-enter the configuration
with SETUP.
#"Activating/deactivating various features - the chipset
on CPU card allows software control of shadow RAM and
other features. You will need to run SETUP to activate or
deactivate these features.
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