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Aaeon SBC-350A Manual

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  • Page 3 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.

  • Page 5: Table Of Contents

    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) .....
  • Page 6 Startup procedure ..............24 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 ..........

  • Page 7: Specifications

    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 •...
  • Page 8 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-...
  • Page 9 • CPU: 80386SX-40 MHz, 80486SLC-33 MHz • Bus interface: ISA (PC/AT) bus • System performance: 51.9 MHz with an 80386SX-40 MHz CPU • Data bus: 16 bit • DMA channels: 7 • Interrupt levels: 15 • Processing ability: 32 bit •...
  • Page 10 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. SBC-350A User's Manual...
  • Page 11 M I C R O M 1 2 1 7 D E V I C E S A m 3 8 6 S X - 4 0 J5,4,3,2 1 4 . 3 1 8 SIMM Sockets SBC-350A PCB Layout Chapter 1 Hardware Configuration...

  • Page 12: Cpu Clock And At Clock Select (J2, J3, J4, J5)

    SIMM (Single In-line Memory Module) sockets which hold the card’s DRAM memory. If you ordered DRAM SIMMs along with your card, the SIMMs may already be installed. If not, you should install them as described in Appendix B. SBC-350A User's Manual...
  • Page 13 Follow these simple precautions to protect yourself from harm and your PC from damage. 1. To avoid electric shock always disconnect the power from your PC chassis before you work on it. Don’t touch any components of the CPU card or other cards while the PC is on. 2.
  • Page 14 This jumper sets the display adapter type attached to your card. If you are using a monochrome LCD or EL screen which uses a CGA, EGA, VGA or other color display adapter, set J6 to color. Monochrome Closed Color Open (default) SBC-350A User's Manual...
  • Page 15 Unit = mm Chapter 1 Hardware Configuration...
  • Page 16 SBC-350A User's Manual...
  • Page 17 This chapter gives a general procedure for installing your CPU card into an PC chassis with an AT-compatible passive backplane. For specific instructions, consult the user’s manual for your chassis. Chapter 2 Installation...
  • Page 18 It should be free of marks and scratches and in perfect working order on receipt. As you unpack the SBC-350A, check it for signs of shipping damage (damaged box, scratches, dents, etc.). If it is damaged or it fails to meet specifications, notify our service department or your local sales representative immediately.
  • Page 19 Caution! Always ground yourself to remove any static charge before touching the CPU card. Modern electronic devices are very sensitive to static electric charges. Use a grounding wrist strap at all times. Place all electronic components in a static-dissipative surface or static-shielded bag when they are not in the chassis.
  • Page 20 SBC-350A User's Manual...
  • Page 21 This chapter tells how to connect periph- erals, switches and indicators to the SBC- 350A board. You can access most of the connectors from at the top of the board while it is installed in the chassis. If you have a number of cards installed, or your chassis is very tight, you may need to partially remove the card to make all the connections.

  • Page 22: Serial Ports

    The following sections tell how to make each connection. In most cases you will simply need to connect a standard cable. You can attach up to two floppy disk drives to the SBC-350A's on- board controller. You can use any combination of 5.25"...
  • Page 23 You can attach two IDE (Integrated Device Electronics) hard disk drives to the SBC-350A internal controller. The card comes with a 40-pin flat-cable piggyback cable. This cable has three identical 40-pin flat-cable connectors.
  • Page 24 CN5. Pin one is on the right side of CN5. For help finding the connector, see the figure on page 5. The SBC-350A board provides two keyboard connectors. A 5-pin connector (CN6) supports passive backplane applications. A second 6-pin mini-DIN connector (CN12) on the card mounting bracket supports single-board-computer applications.
  • Page 25 Next you may want to install external switches to monitor and control your CPU card. These features are completely optional — install them only if you need them. You can connect an external switch to easily reset your computer. This switch restarts your computer as if you had turned off the power then turned it back on.
  • Page 26 In single-board-computer (non-passive-backplane) applications you will need to connect power directly to the SBC-350A board using connector CN9. This connector is fully compatible with the standard PC power supply connector (P8). Refer to the following table for CN9's pin assignments.
  • Page 27 The following table shows the pin assignments for the card's RS-232 port: Pin no. Signal If the SBC-350A is installed into an enclosure, an external speaker can be connected to CN13. Pin no. Signal...
  • Page 28 SBC-350A User's Manual...
  • Page 29 After you have set the jumpers (Chapter 1), installed SIMMs (Appendix B), installed the card (Chapter 2) and made all external connections (Chapter 3), you are ready to power-up your system. Chapter Power-up...

  • Page 30: Post (Power On Self Tests)

    3. Depress the optional reset switch Use of each of these methods will erase data from the system RAM memory. If you can, save any data stored in memory to a hard or floppy disk before you reset your system. SBC-350A User's Manual...
  • Page 31 This chapter describes the card’s diagnos- tic tests and how to set BIOS configura- tion data. Chapter 5 BIOS diagnostics and setup...

  • Page 32: System Test And Initialization

    BIOS setup program to set the configuration information in memory. There are three situations in which you will need to change the CMOS settings: 1. You are starting your system for the first time 2. You have changed the hardware attached to your system SBC-350A User's Manual...
  • Page 33 3. The CMOS memory has lost power and the configuration information has been erased. The SBC-350A’s CMOS memory has integral lithium battery backup. The battery backup should last ten years in normal service, but when it finally runs down, you will need to replace the com- plete unit.

  • Page 34: Bios Setup Main Menu

    <ENTER>. A warning message appears (shown below) whenever you select either Standard CMOS Setup, Advanced CMOS Setup or Ad- vanced Chipset Setup from the main screen. Simply press any key to continue or ESC to abort. SBC-350A User's Manual...
  • Page 35 Improper Use of Setup may Cause Problems!! If System Hangs,..Enter Setup by pressing the <DEL> key Do any of the following After Entering Setup (i) Alter Option to make System Work (ii) Load BIOS Setup Defaults (iii) Load Power-On Defaults Hit <ESC>...
  • Page 36 65535 30 MB 65535 112 MB 65535 20 MB 65535 35 MB 65535 50 MB 20 MB 65535 43 MB 20 MB 41 MB 65535 57 MB 1024 1023 60 MB 30 MB 43 MB 30 MB SBC-350A User's Manual...
  • Page 37 10 MB Type Cyln Head WPcomp LZone Sect Size 54 MB 65535 69 MB 44 MB 65535 69 MB 41 MB 65535 68 MB 53 MB 1024 65535 1024 94 MB 1024 65535 1024 128 MB 1024 1024 1024 43 MB 10 MB 1024 65535...

  • Page 38: Advanced Cmos Setup

    Advanced CMOS Setup controls system settings. Adjusting these parameters may improve system performance, but make a note of the original settings before you make any changes. Some combina- tions of settings may cause your system to crash or become SBC-350A User's Manual...
  • Page 39 unreliable. From the main menu highlight the Advanced CMOS Setup option and press <ENTER>. Press any key to clear the warning screen. The following chart lists card settings which you can change in Advanced CMOS Setup. It lists the default value for each setting. This screen has several help screens, accessed by pressing the <F1>...
  • Page 40 Disabled (default) Enabled IDE Block Mode Transfer Disabled (default) Enabled Serial Port 1 3F8H (default) 2F8H 3E8H Disabled Serial Port 2 2F8H (default) 3F8H 2E8H Disabled Parallel Port 378H (default) 278H 3BCH Disabled SBC-350A User's Manual Parallel Port bi-direction Disabled (default)

  • Page 41: Advanced Chipset Setup

    Enabled IDE Controller Enabled (default) Disabled Floppy Controller Enabled (default) Disabled After you have made your configurations changes, press <ESC> to return to the main menu. Advanced CHIPSET Setup Advanced CHIPSET Setup controls the ALI-1217-40 chipset's configuration registers. Adjusting these parameters may improve system performance.

  • Page 42: Auto Configuration With Bios Defaults

    After you have made your configuration changes, select Write to CMOS and Exit. If you decide you want to abandon the changes you have made, select Do not Write to CMOS and Exit. SBC-350A User's Manual The BIOS will then perform a memory test, and attempt to boot...

  • Page 43: Programming

    The SBC-350A is equipped with a 15 level watchdog timer that resets the CPU if processing comes to a standstill for whatever reason. The time-out interval is software programmable for periods of 2 to 30 seconds. This feature ensures system reliability in industrial stand-alone and unmanned environments.
  • Page 44 Write to I/O port 043 (Hex) and any random value. This will in turn disable the watchdog timer. The watchdog's time-out interval can be set at 15 levels between 2 and 30 seconds. The following table shows the Hex values for the appropriate time-out intervals: SBC-350A User's Manual...

  • Page 45: Demo Program

    Delay Time Value (Hex) Delay Time Value (Hex) 0 ~ 2 16 ~ 18 2 ~ 4 18 ~ 20 4 ~ 6 20 ~ 22 6 ~ 8 22 ~ 24 8 ~ 10 24 ~ 26 10 ~ 12 26 ~ 28 12 ~ 14 28 ~ 30...
  • Page 46 : break; mydelay(); run_time=run_time+1; /* Display time elapsed */ gotoxy(45,11);printf(“%2d.%1d sec”,run_time/ 10,run_time%10); USER FUNCTION LIBRARY */ void mydelay(void) /* Delay program: */ /* Delay 109.89ms (18.2Hz*2) */ { clock_t start,end; start=clock(); end=start; while((end-start)<2){ end=clock(); SBC-350A User's Manual...

  • Page 47: Cpu Upgrading

    This appendix gives instructions for increasing the capabilities of your CPU card. It covers: • DRAM memory installation (SIMMs) • CPU upgrading • Installing PC/104 modules Appendix B Upgrading...
  • Page 48 4. Gently push the SIMM into a perpendicular position until the clips on the ends of the SIMM sockets snap into place. 5. Check to ensure that each SIMM is correctly seated and all connector contacts touch. The SIMM should not move around in its socket. SBC-350A User's Manual...
  • Page 49 This section tells how to upgrade the card's CPU. You can upgrade your SBC-350A to a higher powered 486SLC-33 CPU at any time. Simply remove the old 386SX CPU, install the new 486SLC-33 CPU and short/open the appropriate solder pads for the CPU type and speed.
  • Page 50 • PCM-3724 48-channel DIO Module • PCM-3910 Breadboard Module To install these modules on the SBC-350A is a quick and simple operation. The following steps show how to mount the PC/104 modules: Step1 Remove the SBC-350A from your system paying particular attention to the safety instructions already mentioned above.
  • Page 51 P C / 1 0 4 M o u n t i n g S u p p o r t Female Male Male Female Male P C / 1 0 4 M o d u l e P C / 1 0 4 M o u n t i n g S B C - 3 5 0 A A d a p t o r C P U C a r d...
  • Page 52 SBC-350A User's Manual...

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