Specifications

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SSC-5x86HVGA

5x86 w/ VGA

Single Board Computer

Manual first edition Oct.10,1996

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

SSC-5x86HVGA is registered trademarks of Acquire Inc., IBM PC is a

registered trademark of International Business Machines Corporation. Intel is

a registered trademark of Intel Corporation. AMI is registered trademarks of

American Megatrends, Inc. Other product names mentioned herein are used

for identification purposes only and may be trademarks and/or registered

trademarks of their respective companies.

Summary of content (31 pages)

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SSC-5x86HVGA 5x86 w/ VGA Single Board Computer @Copyright 1996 All Rights Reserved. Manual first edition Oct.10,1996 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.
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Contents 1. Introduction.................................................................3 1.1 Specifications.........................................................................................4 1.2 What You Have......................................................................................5 2. Installation...................................................................6 2.1 SSC-5x86HVGA's Layout.......................................................................6 2.2 Unpacking.....
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3. Connection ................................................................14 3.1 Floppy Disk Drive Connector ...............................................................14 3.2 PCI E-IDE Disk Drive Connector .........................................................15 3.3 Parallel Port .........................................................................................15 3.4 Serial Ports ..........................................................................................16 3.
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1 Introduction Welcome to the SSC-5x86HVGA 5x86 w/VGA Single Board Computer. The SSC-5x86HVGA board is an ISA bus half-size board, which comes equipped with high performance 486DX/DX2/DX4 or the latest Cyrix/AMD 5x86 CPU and advanced high performance multi-mode I/O, designed for the system manufacturers, integrators, or VARs that want to provide all the performance, reliability, and quality at a reasonable price. An advanced high performance super AT I/O chip UMC UM8669F used in the SSC-5x86HVGA board.
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1.1 Specifications : The SSC-5x86HVGA 5x86 w/ VGA Single Board Computer provides the following specification: • CPU : 486SX/DX/DX2/ DX4 or AMD/Cyrix 5x86 • DMA channels : 7 • Interrupt levels : 15 • Chipset : M1489 and M1487 • Real-time clock/calendar : DS-12887 chip and quartz oscillator, 128B CMOS memory, powered by lithium battery for over 10 years of data retention.
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1.2 • Flash Disk - DiskOnChip : The DiskOnChip Flash Disk provides 100% compatible with hard disk. The built-in TrueFFS Transparent Flash Block Management and Space Reclamation will let customer to use the Flash Disk with DOS command, no need any extra software utility. • External power connector(3921-2pin) : 2 pins for +5V,Ground • Keyboard connector • Mouse : PS/2 Mouse Port on-board. • Power Consumption : +5V @ 2.
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2 Installation This chapter describes how to install the SSC-5x86HVGA. At first, the layout of SSC-5x86HVGA is shown, and the unpacking information that you should be careful is described. The jumpers and switches setting for the SSC-5x86HVGA's configuration, such as CPU type selection, system clock setting, and interrupt IRQ setting for serial ports and parallel port, are also included. 2.
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2.
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Your SSC-5x86HVGA Single Board Computer contains sensitive electronic components that can be easily damaged by static electricity. In this section, we describe the precautions you should take while unpacking, as well as during installation. It is very important that the instructions be followed correctly, to avoid static damage, and to successfully install the board. The system board should be done on a grounded anti-static mat.
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2.3 Jumper Description You can change the SSC-5x86HVGA's configuration by setting jumper switches on the board. The board's jumpers are preset at the factory. Under normal circumstances, you should not need to change the jumper settings. A jumper switch is closed (sometimes referred to as shorted with the plastic cap inserted over two pins of the jumper). A jumper is open with the plastic cap inserted over one or no pin(s) of the jumper. Figure 2.
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2.4 Setting the CPU for SSC-5x86HVGA If you want to upgrade the CPU, you have to set two things: 1. Set the jumpers for CPU type. 2. Adjust the jumper setting for CPU speed.
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• CPU Voltage Selection - 3.3V, or 3.45V CPU Voltage * +3.3V +3.45V (*) : default setting JP14 2-3 1-2 2.5 System Memory DRAM(EDO RAM supported) There are two 72-pin SIMM sockets to accept 1MB,2MB,4MB,8MB,16MB,or 32MB memory modules. The total capacity is from 1MB to 64MB. Customer can free install any memory module on any socket. Don‘t care which socket is first to install. 2.6 Watch-Dog Timer The Watch-Dog Timer is enabled by reading port 443H.
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• JP17: WDT Time-Out Period PERIOD 1-2 1 sec. OPEN 2 sec. OPEN *10 sec. OPEN 20 sec. OPEN 110 sec. CLOSE 220 sec. CLOSE (*) : default setting 3-4 OPEN OPEN CLOSE CLOSE OPEN OPEN 5-6 CLOSE CLOSE OPEN OPEN OPEN OPEN 7-8 OPEN CLOSE OPEN CLOSE OPEN CLOSE 2.7 PCI VGA Controller The SSC-5x86HVGA have built-in Cirrus GD54M30 PCI VGA Controller. If you wants to use the external VGA Card, the BIOS will automatic disable the on board VGA controller when have external VGA card in the system.
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• JP20 : DiskOnChip Memory Address Setting JP20 1-2 3-4 * 5-6 Address D000 D800 E000 (*) : default setting WARNING !! If you install the ED1102,28-pin type,the ED1102 pin-1 should be at the 32-pin socket‘s pin-3. Wrong installation will damage the ED1102 DOC. 2.9 PS/2 Mouse Setting When use the SSC-5x86HVGA board,you could use the PS/2 mouse to release serial ports for other applications. The PS/2 mouse will use the IRQ12 when operation. The JP18 is using to control the PS/2 mouse enable/disable.
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Connection This chapter describes how to connect peripherals, switches and indicators to the SSC-5x86HVGA board. 3.1 Floppy Disk Drive Connector SSC-5x86HVGA board comes equipped with a 34-pin daisychain driver connector cable. • CN4 : FDC CONNECTOR PIN NO. 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 DESCRIPTION GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND PIN NO.
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3.2 PCI E-IDE Disk Drive Connector You can attach two IDE( Integrated Device Electronics) hard disk drives to the SSC-5x86HVGA internal controller. • CN1: IDE Interface Connector PIN NO. 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 DESCRIPTION RESET# DATA 7 DATA 6 DATA 5 DATA 4 DATA 3 DATA 2 DATA 1 DATA 0 GROUND N/C IOW# IOR# IORDY N/C INTERRUPT SA1 SA0 HDC CS0# HDD ACTIVE# PIN NO.
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17 19 21 23 25 3.4 PRINTER SELECT LN# GROUND GROUND GROUND GROUND 18 20 22 24 GROUND GROUND GROUND GROUND Serial Ports The SSC-5x86HVGA offers two high speed NS16C550 compatible UARTs with Read/Receive 16 byte FIFO serial ports. • CN10 : Serial Port DB-9 Connector( ACE0 ) PIN NO.
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3.5 Keyboard Connector The SSC-5x86HVGA provides two keyboard connectors. • CN7 : 5-pin Header Keyboard Connector PIN NO. 1 2 3 4 5 DESCRIPTION KEYBOARD CLOCK KEYBOARD DATA N/C GROUND +5V • CN9 : 6-pin Mini-DIN Keyboard Connector PIN NO. 1 2 3 4 5 6 3.6 DESCRIPTION KEYBOARD DATA N/C GROUND +5V KEYBOARD CLOCK N/C External Switches and Indicators There are many external switches and indicators for monitoring and controlling your CPU board. • CN12 : RESET BUTTON PIN NO.
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3.7 External Power Connector The SSC-5x86HVGA has an on-board external power connector CN13. You can connect power directly to the CPU board for some single-board-computer( without passive backplane) application. • CN13 : EXTERNAL POWER CONNECTOR PIN NO. 1 2 DESCRIPTION +5V GROUND 3.8 External Speaker The SSC-5x86HVGA has its own buzzer, you also can connect to the external speaker through the connector CN2. • CN2 : Speaker Connector PIN NO. 1 2 3 4 DESCRIPTION SPEAKER SIGNAL NC GROUND +5V 3.
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4 AWARD BIOS Setup The SSC-5x86HVGA uses the AWARD PCI/ISA BIOS for system configuration. The AWARD BIOS setup program is designed to provide maximum flexibility in configuring the system by offering various options which may be selected for end-user requirements. This chapter is written to assist you in the proper usage of these features. 4.1 Getting Start When powered on the system, the BIOS will enter the Power-OnSelf-Test routines.
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4.2 Standard CMOS Setup The Standard CMOS Setup is used for basic system hardware configuration. Every time when you change any hardware configuration,for example memory size,you have to modify this setup again. Please refer the following screen for this setup. Mode Setting for >528MB IDE HDD When the IDE hard disk drive you are using is larger than 528MB,please set the HDD mode to LBA mode. Note : Setting incorrect drive mode may make the drive working improperly.
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4.3 BIOS Features Setup This setup is designed for customer‘s tuning best performance of the SSC5x86HVGA board. As for normal operation customers don‘t have to change any default setting.The default setting is presetted for most reliable operation.Please refer the following screen for the BIOS Features Setup.
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Virus Waring : Enable - Will halt system when any attempt to write to boot sector or patition table of hard disk. Memory Parity Check : Disable - Will not check the DRAM module‘s parity. Video BIOS Shadow : Enable - Will increase the video speed. C8000-CFFFF,D0000-D7FFF,& D8000-DFFFF Shadow : When the installed add-on card‘s ROM address is as above address,you could enable the shadow to get higher operation performance.
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4.4 Chipset Features Setup This setup functions are almostly working for ChipSet(ALI M1489 and M1487). These options are used to change the ChipSet‘s registers. Please carefully change any default setting ,otherwise the system could be running un-stable. Auto Configuration : Enable : The BIOS will configure the ChipSet features automatically when boot up the system. Disable : The BIOS will allow customer to change the setting on the screen. AT -BUS Clock - CLK/4 means 33Mhz/4 = 8.
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Onboard Serial Port 1 : 3F8/IRQ4(default),2F8/IRQ3,3E8/IRQ4 2E8/IRQ3,Disabled Onboard Serial Port 2 : 2F8/IRQ3(default),3E8/IRQ4,2E8/IRQ3, 3F8/IRQ4,Disabled Onboard Parallel Port : 378/IRQ7(default),278/IRQ5,3BC/IRQ7,Disabled 4.5 Power Management Setup Power Management Setup help user handles the SSC-5x86HVGA board‘s “green” function. The features will shut down the video display and hard disk to save energy.
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Power Management : This is the master control of all power management functions. The default setting is “disable” for general application. User Defined : Allows user to set any power saving options. Min. Saving : System enters power saving mode after 1 hour no activity. Max. Saving : System enters power saving mode after 5 seconds no activity.
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Yes - System BIOS will wait for APM prompt before it enters any power management mode. Note : APM Mode : This mode is using for DOS 6.0 or higher version with the driver POWER.EXE. The driver should be loaded at system power-on by CONFIG.SYS file. POWER.EXE will monitor the system status thru the BIOS APM interface. Video Off Option : Susp,Stby ¡ ÷ Off - Screen Off when system in Suspend or Standby mode. Susp ¡ ÷ Off - Screen Off when system in Suspend mode.
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This screen help user configure their PCI bus slots. The SSC-5x86HVGA only supports the on board PCI VGA and IDE,so only the related features are in the setup. PCI IRQ Activity by : Level - Most PCI cards use the level trigger method. Edge - Be sure the PCI cards use the edge trigger method before you set it. Appendix A.
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The Watch-Dog Timer is provided to ensure that standalone systems can always recover from catastrophic conditions that caused the CPU to crash. This condition may have occurred by external EMI or a software bug. When the CPU stops working correctly, hardware on the board will either perform a hardware reset (cold boot) or a non-maskable interrupt (NMI) to bring the system back to a known state. The Watch-Dog Timer is controlled by two I/O ports.
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10 11 20 30 40 50 60 70 80 90 REM EXAMPLE PROGRAM REM WATCH-DOG TIMER == WDT GOSUB 5000 REM ENABLE AND REFRESH THE WDT GOSUB 1000 REM TASK 1, 2 SECS GOSUB 5000 REFRESH THE WDT GOSUB 2000 REM TASK 2, 3 SECS GOSUB 6000 REM DISABLE THE WDT GOSUB 3000 REM TASK 3, 5 SECS GOSUB 5000 REM ENABLE AND REFRESH THE WDT GOTO 30 1000 REM SUBROUTINE #1 2 SECONDS TO COMPLETE RETURN 1070 2000 2070 REM SUBROUTINE #2 3 SECONDS TO COMPLETE RETURN 5000 5010 5020 REM SUBROUTINE TO ENABLE AND RESET WDT X = INP( &H443) REM