Aaeon SBC-350A Manuale utente
SBC-350A
Half-size All-In-One
386SX-40 CPU Card
Copyright Notice
This document is copyrighted, 1996. All rights are reserved. The
original company reserves the right to make improvements to the
products described in this manual at any time without notice.
No part of this manual may be reproduced, copied, translated or
transmitted in any form or by any means without the prior written
permission of the original company. Information provided in this
manual is intended to be accurate and reliable. However, the
original company assumes no responsibility for its use, nor for any
infringements upon the rights of third parties which may result
from its use.
Acknowledgments
The following references are the property of:
ALI is a trademark of ACER Labs, Inc.
AMD is a trademark of Advanced Micro Devices, Inc.
AMI is a trademark of American Megatrends Inc.
IBM and PC are trademarks of International Business Machines
Corporation.
Intel is a trademark of Intel corporation.
MS-DOS is a trademark of Microsoft Corporation.
SMC is a trademark of Standard Microsystems Corporation.
Part No. 2006350020 3rd Edition
Printed in Taiwan March 1996
Contents
Chapter 1 Hardware configuration .......................... 1
Introduction............................................................................ 2
Specifications.......................................................................... 3
Locating components ............................................................. 4
SBC-350A board diagram ..................................................... 5
Jumpers and connectors ........................................................ 6
SIMM memory modules........................................................ 6
Safety precautions.................................................................. 7
Jumper settings ...................................................................... 7
Card default setting .................................................................. 7
How to set jumpers................................................................ 8
CPU clock and AT clock select (J2, J3, J4, J5) ..................... 8
Display type (J6) ................................................................... 8
Card dimensions .................................................................... 9
Chapter 2 Installation ............................................. 11
Initial inspection................................................................... 12
Chapter 3 Connecting peripherals ......................... 15
SBC-350A Card connectors ................................................ 16
Floppy drive connections (CN4)......................................... 16
IDE hard drive connections (CN3) ..................................... 17
Parallel port (CN5).............................................................. 18
Keyboard connectors (CN6, CN12).................................... 18
External switches and indicators........................................ 19
Reset switch (J1) ................................................................. 19
Power LED and keylock (CN1) .......................................... 19
Hard disk drive LED (CN2)................................................ 19
SBC power connector(CN9) ............................................... 20
Serial ports............................................................................ 20
RS-232 connections (CN10, CN11).................................... 21
External speaker connector ................................................ 21
Chapter 4 Power-up ................................................ 23
Startup procedure ................................................................ 24
Chapter 5 BIOS diagnostics and SETUP ................... 25
POST (Power On Self Tests)............................................... 26
System test and initialization............................................... 26
System configuration verification ....................................... 26
Running the setup program ................................................ 27
BIOS setup main menu ........................................................ 28
Standard CMOS setup ......................................................... 29
Advanced CMOS setup ....................................................... 32
Advanced CHIPSET setup .................................................. 35
Auto configuration with BIOS defaults............................... 36
Auto configuration with power-on defaults ........................ 36
Auto detect hard disk........................................................... 36
Hard disk utility ................................................................... 36
Write to CMOS and exit/do not exit.................................... 36
Appendix A Programming the watchdog timer ... 37
Introduction.......................................................................... 38
Programming ....................................................................... 38
Demo program..................................................................... 39
Appendix B Upgrading ............................................ 41
Installing DRAM (SIMMs) ................................................. 42
CPU upgrading..................................................................... 43
Installing PC/104 modules .................................................. 43
PC/104 Diagrams ................................................................ 45
Chapter 1 Hardware Configuration 1
1
Hardware
Configuration
This chapter gives background informa-
tion on the SBC-350A. It then shows you
how to configure the card to match your
application and prepare it for installation
into your PC.
Sections include:
• Card specifications
• Locating components
• Safety precautions
• Configuration – Jumper settings
CHAPTER
2SBC-350A User's Manual
Introduction
The half-size SBC-350A comes equipped with a 80386SX-40 CPU.
Also included on-board are two serial RS-232 ports, a bi-directional
parallel port, an IDE hard disk drive interface, a floppy disk controller
and a watchdog timer. The watchdog timer ensures that the CPU will
be reset if it stops due to a program or EMI problem, allowing the
SBC-350A to be used in stand-alone systems or in unattended environ-
ments. The SBC-350A’s industrial-grade construction ensures continu-
ous, reliable operation in harsh industrial environments at temperatures
up to 140oF (60oC).
We designed the SBC-350A with SBC (Single Board Computer)
applications in mind. It also incorporates a connector for PC/104
modules (Flat-panel/CRT VGA controller or Flash/RAM/ROM disk).
Built using CMOS technology, the SBC-350A consumes very little
power. Its four SIMM (Single In-line Memory Module) DRAM
sockets accept 256 KB, 1 MB or 4 MB SIMM modules for total on-
board memory of 1 to 16 MB.
You can also use this 4-layer CPU card to transform any system into a
16-bit 386 compatible computer, its all-in-one configuration freeing-up
valuable expansion slots. Its highly compact form and numerous
features make it an ideal cost/performance solution for high-end
commercial and industrial applications where high CPU speed and low
mean-time-to-repair are critical.
Chapter 1 Hardware Configuration 3
Specifications
åSystem
•CPU: 80386SX-40 MHz, 80486SLC-33 MHz
•Bus interface: ISA (PC/AT) bus
•Systemperformance:
51.9 MHz with an 80386SX-40 MHz CPU
•Data bus: 16 bit
•DMA channels: 7
•Interrupt levels: 15
•Processing ability: 32 bit
•Bus speed: 8 MHz
•Chipset: ALI M1217-40
•Real-timeclock/calendar:
Uses Dallas DS-12887 RTC or equivalent chip and quartz oscillator,
powered by a lithium battery for 10 years of data retention
åMemory
•RAM memory: 1 MB to 16 MB
Uses 256Kx9 (SIMM-256-7), 1Mx9 (SIMM-1000-7) or 4Mx9
(SIMM-4000-7) SIMMs with access time of 70 nsec. or less
•Shadow RAM memory: Support for system and video BIOS of up
to 256 KB in 32 KB blocks
åI/O
•IDE hard disk drive interface: Supports up to two IDE (AT bus)
hard disk drives. Can be enabled/disabled
•Floppy disk drive interface:
Supports up to two floppy disk drives, 5.25” (360 KB and 1.2 MB)
and/or 3.5” (720 KB, 1.44 MB and 2.88 MB). Can be enabled/
disabled
4SBC-350A User's Manual
•Bi-directional parallel port: Configurable to LPT1, LPT2, LPT3 or
disabled. Standard female DB-25 connector provided
•Serial ports: Dual RS-232 serial ports with 16C550 compatible
UARTs (16-byte FIFO for speeds up to 115 Kbps). Ports can be
individually configured as COM1, COM2 or disabled
åIndustrial features
•Watchdog timer:
The timeout interval is software programmable and can be set
between 2 to 30 sec.. Your program uses hex 043 and 443 to control
the watchdog and set the timeout period
•PC/104 Expansion:
A 64- and 40-pin, 16-bit bus connector for optional PC/104 modules
such as a Flash/RAM/ROM disk module and/or Flat-panel/CRT
VGA module
•Keyboard connectors: A 6-pin mini-DIN keyboard connector is
located on the mounting bracket for easy access. An external
keyboard adapter is also included. An on-board keyboard pin header
connector is also available.
åGeneral
•Max power required: + 5 V @ 1.2 A
•Power supply voltage: +5 V (4.75 V to 5.25 V), +12 V, -12 V
•Operating temperature: 32 to 140oF (0 to 60oC)
•Size: 7.3" (L) x 4.8" (W) (185 mm x 122 mm)
•Weight: 0.55 lbs. (250g)
•EMI: Pending
•MTBF: Pending
Locating components
This section identifies the location of the card's major components. It
also includes a list of the function of each of the card jumpers. The
figure on the following page gives an overall view of the card.
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