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Teknor Industrial Computers TEK-AT4L Plus Technical Reference Manual

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TEK-AT4L
486 SX/DX/DX2 SINGLE BOARD COMPUTER
TECHNICAL REFERENCE MANUAL
PLUS
VERSION 1.1
May 1997
NOTE:
This manual is for reference purpose only.
Reproduction in whole or in part is authorized provided
TEKNOR INDUSTRIAL COMPUTERS INC. is cited as
the original source.

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Summary of Contents for Teknor Industrial Computers TEK-AT4L Plus

  • Page 1 PLUS 486 SX/DX/DX2 SINGLE BOARD COMPUTER VERSION 1.1 TECHNICAL REFERENCE MANUAL May 1997 NOTE: This manual is for reference purpose only. Reproduction in whole or in part is authorized provided TEKNOR INDUSTRIAL COMPUTERS INC. is cited as the original source.
  • Page 2 This document may contain or reference information and products protected by the copyrights or patents of others and does not convey any license under the patent right of TEKNOR, nor the rights of others. Printed in Canada. Copyright 1996 by TEKNOR INDUSTRIAL COMPUTERS INC., Boisbriand, Qc, J7G 2A7. Foreword...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. PRODUCT OVERVIEW..................1-1 2. ONBOARD SUBSYSTEMS ................... 2-1 2.1 P .................... 2-1 ASSIVE ACKPLANE 2.2 U ....................2-1 NTERFACE 2.3 S ................... 2-2 TAND LONE PERATION 2.4 D ................... 2-2 ISKLESS PERATION 3. UNPACKING......................3-1 3.1 U ......................
  • Page 4 6. INSTALLING DEVICES ..................6-1 6.1 C ................6-1 ONNECTING OWER UPPLY 6.1.1 Supplying Power Using the ISA-AT Bus............6-1 6.1.2 Supplying Power Using the Power Connector (J5)........6-1 6.2 C (J1)................6-5 ONNECTING 6.3 C (J2)..............6-6 ONNECTING LOPPY RIVE 6.4 PS/2 M (J3A) ................
  • Page 5 TABLE OF CONTENTS 1. PRODUCT OVERVIEW..................1-1 2. ONBOARD SUBSYSTEMS ................... 2-1 2.1 P .................... 2-1 ASSIVE ACKPLANE 2.2 U ....................2-1 NTERFACE 2.3 S ................... 2-2 TAND LONE PERATION 2.4 D ................... 2-2 ISKLESS PERATION 3. UNPACKING......................3-1 3.1 U ......................
  • Page 6 APPENDICES A. PRODUCT SPECIFICATION A.1 TEK-AT4LPLUS - P ..........A-1 RODUCT PECIFICATIONS B. BOARD DIAGRAMS B.1 TEK-AT4LPLUS - A ) ........B-1 SSEMBLY IAGRAM TEK-AT4LPLUS - M .............B-3 OUNTING OLES B.3 TEK-AT4LPLUS - M ..........B-5 ECHANICAL PECIFICATIONS C. CONNECTOR PINOUTS C.1 J1 - IDE #1 C .................

  • Page 7: Product Overview

    PRODUCT DESCRIPTION PRODUCT OVERVIEW ONBOARD SUBSYSTEMS...
  • Page 8 1. PRODUCT OVERVIEW The TEK-AT4L is a high performance PC/AT type computer on a single-slot card PLUS format (13.3" x 4.7"). It provides all the basic functions available on standard IBM AT computers such as a hard disk interface and floppy disk controller, serial ports, keyboard, and mouse.
  • Page 9 TEK-AT4L - Block Diagram PLUS Product Overview 1-2...

  • Page 10: Passive Backplane

    2. ONBOARD SUBSYSTEMS The TEK-AT4L provides the following features: PLUS • PC/AT bus or stand alone operation • AT keyboard and speaker port • 486SX/25MHz • One parallel printer port (LPT1) 486DX/33MHz • Two serial ports with COM2 as 486DX2/66MHz RS-232 or RS-485 486DX4/100MHz •...

  • Page 11: Stand-Alone Operation

    2.3 Stand-Alone Operation An alternate power connector is available to supply the necessary voltages to the TEK- AT4L board. This is useful in situations where a passive backplane system is not PLUS appropriate. With TEKNOR’s Mezzanine card, it is possible to assembly a complete computer in a 13.3"...

  • Page 12: Unpacking

    INSTALLATION 3. UNPACKING 4. SAFETY PRECAUTIONS 5. CUSTOMIZING THE BOARD 6. INSTALLING DEVICES 7. INSTALLING VIDEO DEVICES 8. SETTING JUMPERS 9. CONFIGURING DMA AND IRQ 10. TEK-AT4L PLUS BIOS...
  • Page 13 3. UNPACKING 3.1 Unpacking Follow these recommendations while unpacking: After opening the box, save it and the packing material for possible future shipment. Remove the board from its antistatic wrapping and place it on a grounded surface. Inspect the board for damage. If there is any damage, or items are missing, notify TEKNOR immediately.

  • Page 14: Static Electricity

    4. SAFETY PRECAUTIONS 4.1 Static Electricity Since static electricity can damage a board, the following precautions should be taken: Keep the board in its antistatic package, until you are ready to install it. Touch a grounded surface or wear a grounding wrist strap before removing the board from its package;...

  • Page 15: Customizing The Board

    5. CUSTOMIZING THE BOARD 5.1 Installing Microprocessor and Fan The following microprocessors are supported: Power Supply Cord 486SX/25MHz 486DX/33MHz 486DX2/66MHz 486DX4/100MHz 5x86/133MHz Heater Depending on the processor and the system environment, fan and/or heater may be installed on it. Heater Socket Please refer to your processor specifications for more information.
  • Page 16 Follow the steps outlined below to install the memory: • With the board flat on the table, turn it so that the end of the board with the sockets is near you. • Hold the module with the notch on the bottom right facing you, and insert the connector into the socket at a 70°...

  • Page 17: Memory And I/O Mapping

    5.3 Memory and I/O Mapping 5.3.1 Memory Mapping You also have room for up to 10 MB of Solid State Disks (SSDs): U10 allows up to 128KB of EPROM for the BIOS. Up to 8MB of FLASH EPROM can be installed on U19 and U20. Up to 2MB of battery-backed SRAM disk can be installed on U27/28/35/36.

  • Page 18: Expanded And Extended Memory

    5.4 Expanded and Extended Memory Memory on the board consists of two areas: memory below 1 MB (0-640KB) referred to as the standard or base memory, and memory located above 1 MB which is either Expanded or Extended memory (memory located between 640KB and 1 MB is reserved for shadowing.

  • Page 19: Sw1 - Configuration Jumpers

    5.7 Configuring the TEK-AT4L PLUS Configuring your board is purely a matter of the application at hand. As an example, a 2MB system can be defined as 640KB base + 384KB shadow + 1 MB extended memory, or, 640KB base + 384KB shadow + 512KB extended + 512KB EMS and so on. The user is free to adapt the configuration to his particular needs.

  • Page 20: Sw1(3-4) Selecting Com1/Com2 For Vt00 Or Download Mode

    The following table describes drive assignments according to the installed devices: TABLE 5-3: Physical Devices Installed & Drive AssignmentsTable Configuration and Jumper/No Jumper No Jumper Jumper No Jumper Jumper Jumper Physical Floppy 0 Floppy 0 Floppy 0 Or Floppy 0 Floppy 1 Devices Installed Floppy 1...

  • Page 21: Sw1(7-8) Enabling Serial Download Mode

    Follow these steps to setup VT100 mode: • Install SW1(5-6) to enable VT100 mode. • Setup the communications cable as follows: Full cable configuration with all control lines can If a full cable is not required, a partial cable using be used to connect a VT100 terminal to COM1 only the TXD and RXD lines can be used.

  • Page 22: Installing Supervisor Utilities

    5.9 Installing Supervisor Utilities 5.9.1 Special Note on Register 201h IBM PCs use address 201h as the game port. TEKNOR computers utilize this address to give industrial PC users the greatest amount of I/O addressing space possible. This ultimately renders the game port unusable. Hence, some problems may occur with various test software packages that intentionally write to the game port and leave it with unknown values.

  • Page 23: Power Failure Detector (Pfd)

    If a hardware or software failure occurs such that the Watchdog is not refreshed, a reset pulse is generated by the Watchdog to restart the processor. WARNING: The user program must provide the first access to address 201h, and must also include the refresh routine. In addition, be certain to keep a mirror image of register 201h when programming it.

  • Page 24: Low Battery Detection

    Example: Assume the TEK-AT4L is powered by a 9V DC battery and it is required that the PLUS battery be monitored for a low battery warning at 7.5V DC. In this case, R19=4700Ω and R18=1000Ω. So, if the battery voltage goes below 7.5V, it will generate a non-maskable interrupt (NMI) and the status can be read at address 201 bit D3.

  • Page 25: Installing Devices

    6. INSTALLING DEVICES 6.1 Connecting Power Supply Power can be drawn on the TEK-AT4L using the onboard power connector (J5), or PLUS the ISA-AT bus power capabilities when the board is connected in a backplane. WARNING: Both power supply must not be connected together. While using one, the other must be disconnected.
  • Page 26 CONNECTOR LOCATION Installing Devices 6-3...

  • Page 27: Connecting Hard Disk (J1)

    6.2 Connecting Hard Disk (J1) IDE connections use standard 40-pin header flat cables. This connector handles all command, data, and status I/O lines. Recommended maximum cable length is 18-24 inches. The drive can be mounted in any horizontal or vertical plane. The hard drive and its type must be specified in the CMOS setup (number of cylinders, heads, sectors per track, landing zone, and write precompensation).

  • Page 28: Connecting Floppy Disk Drive (J2)

    6.3 Connecting Floppy Disk Drive (J2) Floppy Drive connections use standard 34-pin header flat cables. The disk controller is IBM PC XT/AT compatible (single and double density), and supports Enhanced Floppy Mode (2.88MB). It handles 3.5’’ and 5.25’’, low and high density drives. Up to two drives can be supported in any combination.

  • Page 29: Multi-Function Connector (J3)

    6.5 Multi-Function Connector (J3) The TEK-AT4L offers a 16-pin header to support keyboard, speaker, Reset button, PLUS and LED devices. To output the signals, the cable must be built as follows: Note: This cable is available from TEKNOR - referenced as 150-018. Devices are described as follows: Speaker an 8 ohm speaker can be directly connected to pins 7 and 8.

  • Page 30: Com2 (J4)

    6.6.2 COM2 (J4) The Serial Port COM2 supports both RS-232 and RS-485 standard via J4 connector (standard male DB9 connector at the edge of the board). COM2 pinouts (RS-232 and RS-485) are given in Appendix E - Board Connectors and Pinout.

  • Page 31: Installing Solid State Disks

    6.8 Installing Solid State Disks The TEK-AT4L Single Board Computer supports 2, 4 or 8MB Flash EPROM Disk. PLUS The Flash EPROM is surface mounted component option which must be sized and ordered by the customer. 6.8.1 Writing To Flash Disks To create a Flash disk (i.e.

  • Page 32: Battery Backup Circuit

    6.8.3 Battery Backup Circuit The board comes with a 350mA/h lithium battery. If the TEK-AT4L is strapped to PLUS be powered by the battery back-up, the RAMs will retain their information after a power down. Please refer to Section 9- Jumper Settings to locate and set Battery Backup Circuit (W10). WARNING: Removing jumper W10 will cause the set-up and real-time clock information to be lost.

  • Page 33: Installing Video Devices

    7. INSTALLING VIDEO DEVICES 7.1 Using Standard Video Adapter Board When using a passive backplane, the video adapter board can be installed directly in one slot. The video adapter board depends on the display to be connected to the system. The display must be connected directly to the Video Adapter onboard connector.

  • Page 34: Setting Jumpers

    8. SETTING JUMPERS The TEK-AT4L is designed to allow for minimal hardware configuration. PLUS The following is a list of the basic configuration jumpers available on the board: Jumper Function Jumper Function Serial In 2 (SIN2) BIOS Boot Flash Request To Send 2 (RTS2) TEKNOR Extension W17-19, W26 CTS2 to RTS2...
  • Page 35 JUMPER LOCATIONS Setting Jumpers...
  • Page 36 TABLE 8-1: Jumper Settings (W1-W11) Setting Jumpers 8-5...
  • Page 37 TABLE 8-2: Jumper Settings (W12-W19, W26) Setting Jumpers 8-6...
  • Page 38 TABLE 8-3: Jumper Settings (W20-W25, SW1, SW2) Setting Jumpers 8-7...

  • Page 39: Configuring Dma And Irq

    9. CONFIGURING DMA and IRQ 9.1 DMA Channels Allocation The TEK-AT4L supports seven Direct Memory Access channels: Channel 0 is PLUS reserved for the DRAM refresh. Channel 4 is used to cascade channels 0 through 7 to the microprocessor, and Channel 2 is reserved for the floppy controller. TABLE 9-1: 8237 Controller Table DMA 0 Refresh...

  • Page 40: Tek-At4Lplus Bios

    PLUS 10.1 OVERVIEW AND FEATURES The TEK-AT4L PLUS uses the American Megatrends INC. PC/AT BIOS. This BIOS provides a software interface between the MS-DOS operating system and the hardware of the Single Board Computer. The interface provided by the BIOS is 100% IBM AT compatible.
  • Page 41 APPENDICES PRODUCT SPECIFICATIONS BOARD DIAGRAMS CONNECTOR PINOUTS...
  • Page 42 A. PRODUCT SPECIFICATIONS A.1 TEK-AT4L - Product Specifications PLUS TEK-AT4L DESCRIPTION PLUS Overview PC AT Single Board Computer Supported 486SX/25MHz 486DX/33MHz Microprocessors 486DX2/66MHz 486DX4/100MHz 5x86/133MHz Memory . System Memory: 1 to 64 MB - DRAM . Up to 8MB of user Flash EPROM (option) .
  • Page 43 B.1 TEK-AT4LPLUS - Assembly Diagram (Top View) Board Diagrams B-1...
  • Page 44 B.2 TEK-AT4L PLUS - Mounting Holes Board Diagrams B-3...
  • Page 45 B.3 TEK-AT4L PLUS - Mechanical Specifications Board Diagrams B-5...
  • Page 46 C.1 J1 - IDE #1 Connector Pin Number Pin Number Signal Flow Top View Signal Flow Signal Signal RST# SD10 SD11 SD12 SD13 SD14 SD15 Not Connected Not Connected IOW# IOR# IOCHRDY BALE DACK# IRQ14 IOCS16# Not Connected CS0# CS1# ACTIVE# # Active Low Signal C.2 J2 - Floppy Disk Drive Connector...
  • Page 47 C.3 J3 - Multi-Function Connector Pin Number Pin Number Signal Flow Top View Signal Flow Signal Signal KBCLK KBDAT VCC (Keyboard) VCC (Power on LED) SPEAKER KBDINH DOWNL* PBRES* HDACT* * Active Low Signal C.4 J3A - Mouse Connector C.5 J4- Serial Port #2 Connector RS-232 Mode Pin Number Pin Number...
  • Page 48 J4- Serial Port #2 Connector (Continued) RS-485 Mode Pin Number Pin Number Signal Flow Top View Signal Flow Signal Signal Reserved Not Connected RXD(-) RXD(+) TXD(-) TXD(+) Not Connected Not Connected Not Used C.6 J5 - Power Connector C.7 J6 - Serial Port #1 Connector RS-232 Mode Pin Number Pin Number...
  • Page 49 C.8 J7 - Parallel Port Connector Pin Number Pin Number Signal Flow Front View Signal Flow Signal Signal STB* ACK* BUSY SLCT AFD* ERR* INIT* SLIN* Connector Pinouts C-4...
  • Page 50 C.9 J8 - Mezzanine ISA AT Bus Connector A Side B Side Top View I/O PIN Signal Name I/O PIN Signal Name I/O CH CK* RESET DRV +5 Vdc IRQ9 -5 Vdc DRQ2 -12 Vdc +12 Vdc I/O CH RDY* SMESW* SA19 SMEMR*...
  • Page 51 C.10 J9 - Mezzanine ISA AT Extension Bus Connector I/O PIN SIGNAL NAME SBHE* LA23 LA22 LA21 LA20 LA19 LA18 LA17 SD08 SD09 SD10 SD11 SD12 SD13 SD14 SD15 MEM CS16* I/O CS16* IRQ10 IRQ11 IRQ12 IRQ15 MASTER* MEMR* MEMW* DACK5* DRQ5 DACK6*...
  • Page 52 C.12 J14 - ISA Bus Extension Connector Signal Name Signal Name A Side C Side IOCHK# RESET DRV +5Vdc IRQ9 -5Vdc DRQ2 -12Vdc ENDXFR# +12Vdc IOCHRDY SMEMW# SA19 SMEMR# SA18 IOW# SA17 IOR# SA16 DACK3# SA15 DRQ3 SA14 DACK1# SA13 DRQ1 SA12 REFRESH#...
  • Page 53 GLOSSARY ANSI (AMERICAN NATIONAL STANDARD INSTITUTE) A group of committees formed to establish voluntary commercial and government standard. ANSI is a member of ISO. AT BUS The AT bus is the ISA bus. It is a 16-bit electronic path containing active signals and power lines to interface with compatible interfaces or adapter cards for the transfer of data.
  • Page 54 DRAM (DYNAMIC RANDOM ACCESS MEMORY) A memory technology that is characterized by extremely high density, low power and low cost. It must be refreshed often (every one thousandth of a second) to avoid loss of data. This type of memory is used as the system memory in many personal computers.
  • Page 55 I/O MAP An I/O (Input/Output ports) map is a list of all special hardware circuits used by the computer to communicate with external devices. They are simply a special type of memory location that can be accessed only by means of the IN and OUT instructions.
  • Page 56 RS-485 Electrical interconnection standard. This standard specifies a differential data transmission protocol that allows data rates of up to 10 MB/second over line lengths up to 4000 ft. The standard also establishes a means of implementing multi-drop interconnection for up to 32 users. SBC (SINGLE BOARD COMPUTER) A term generally used for a computer in which all of the functions (processor, memory, I/O, peripherals, etc.) are contained on a single board.
  • Page 57 INDEX Flash Disks Writing, 6-10 XFLASH, 6-10 FLASH EPROM, 5-3 ANSI, 5-7 Floppy controller, 2-1 Full Duplex Operation, 6-9 Battery Backup Circuit, 6-11 BIOS, 5-4, 10-1 Hard Disk, 5-6 Boot Option, 5-5 Installation, 6-5 Error Handling, 10-1 Hard Drive Write Precompensation, 6-5 CMOS Technology, 2-1 COM2, 2-1 I/O Map, 5-3...
  • Page 58 Magnetic, 4-1 Safety Precautions, 3-1, 4-1 Memory Shadow RAM, 5-5 Sleep Mode, 2-1 Expanded and Extended, 5-4 Flash-EPROM, 2-1 Solid State Disk Static-RAM and Flash EPROM, 6-5 I/O and Mapping, 5-3 Solid State Disks, 5-3 Installing, 5-1 Installing, 6-10 Shadow-RAM, 2-1 SRAM, 5-3 SIMM SRAM Disk, 6-10...
  • Page 59 J7G 2A7 CANADA LIMITED WARRANTY TEKNOR INDUSTRIAL COMPUTERS INC. ("the seller") warrants its products to be free from defects in material and workmanship for a period of two (2) years commencing on the date of shipment. The liability of the seller shall be limited to replacing or repairing, at the seller's option, any defective units.
  • Page 60 Returning Defective Merchandise If your TEKNOR product malfunctions, please do the following before returning any merchandise: 1) Call our Technical Support department in Canada at (514) 437-5682 or in Germany at +49 811 / 600 15-0. Make certain you have the following at hand: the TEKNOR Invoice #, your Purchase Order #, and the Serial Number of the defective unit.
  • Page 61 RETURN TO MANUFACTURER AUTHORISATION REQUEST Contact Name : Company Name : Street Address City : Province / State : Country : Postal / Zip Code Phone Number : Fax Number: Serial Failure or Problem Description P.O. # Number (if not under warranty) Fax this form to TEKNOR’s Technical Support department in Canada at (514) 437-8053 or in Germany at +49 811 / 600 15-33...

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