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Giantec GT-650 User Manual

Pentium iii/celeron w/vga/lan/audio w/video capture/gpio embedded board
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GT-650
Pentium III/Celeron
w/VGA/LAN/Audio
w/Video Capture/GPIO
Embedded Board
User's Manual

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Summary of Contents for Giantec GT-650

  • Page 1 GT-650 Pentium III/Celeron w/VGA/LAN/Audio w/Video Capture/GPIO Embedded Board User’s Manual...
  • Page 2 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. Acknowledgments All trademarks and registered trademarks mentioned herein are the property of their respective owners. Nov. 2002 Printed in Taiwan Version A GT-650...
  • Page 3 User’s Manual Check List Before getting started, please check if your GT-650 package includes the following items: GT-650 Pentium III/Celeron Embedded board x 1pcs Driver & Utility CD_ROM x 1 pcs HDD cable x 1 pcs User’s manual x 1pcs...

  • Page 4: Table Of Contents

    PCI Ethernet Controller Found … … … … … … … … … … . 5-13 PCI Multimedia Video Device Found … … … … … … … .. 5-29 Appendix A. Network Appendix B. Connectors’ Pin Assignment Appendix C. Updating BIOS Appendix D. WatchDog Timer Appendix E. Mechanical Drawing GT-650...

  • Page 5: Chapter 1. Introduction

    BIOS. Appendix D for the mechanical drawing 1.2 General introduction The GT-650 is a full featured, industrialized, single board computer with a high-frequency Intel Tualatin, Pentium III® , and Celeron® processor that brings advanced CPU technology and processing power to the latest PCI applications.

  • Page 6: Specifications

    • Intel 815E AGP chipset 82815E Graphics and Memory Controller Hub (GMCH) 82801BA I/O Controller Hub 2 (ICH2). Video Interface • Conexant Bt878 Video decoder processor. Support up to 16-channels video input. - 2 -AAAAAAA GT-650 Introduction 1 - 2...
  • Page 7 • Two USB connectors at rear panel. • Two USB pin header connectors for internal USB device. • Power supplied through +5VDC self-healing fuse Power connector (ATX) • Universal ATX power connector configuration - 3 -AAAAAAA GT-650 Introduction 1 - 3...
  • Page 8 Current Requirements • +5V typical current draw: 6 - 10A • +5V maximum current draw: 8 - 18A • +12V maximum current draw: 600mA Note: 1) +5V current draw is processor dependent. - 4 -AAAAAAA GT-650 Introduction 1 - 4...

  • Page 9: Chapter 2 Jumpers And Connectors

    User’s Manual Chapter 2 Jumpers and Connectors Figure 2-1 Jumper of GT-650 GT-650 Jumper & connector 2 -1...

  • Page 10: Jumpers Setting

    PS. For the AT system (short pin 10 & pin12) for power on Internal USB connector (USB2) Signals USB2-1 USB2-2 Power Data - Data + USB GND CHS GND External power connector (P1) Signals +12V 4,6,19,20 -12V +3.3V 5VSB PS-ON POWER-OK Ground 3,5,7,13,15,16,17 GT-650 Jumper & connector 2 -2...
  • Page 11 1-3, 2-4, 7-9, 8-10, 15-16 RS-485 1-3, 2-4, 7-9, 8-10, 13-14 CPU FSB Select (JP4) Function Auto by CPU 1-3, 2-4 66 MHz 3-5, 4-6 FAN control (FAN1, 2) Function FAN1,2 Sense +12V PWM control GT-650 Jumper & connector 2 -3...

  • Page 12: Connectors

    JP1 (14-20) HDD LED connector JP1 (7-8) External power connector Serial Port COM1,2 Audio OUT LINE_OUT Audio IN LINE_IN MIC_IN CD IN CD_IN RJ-45 Video INPUT CMOS RAM clear Audio/GPIO CPU FAN FAN1,2 Printer GT-650 Jumper & connector 2 -4...

  • Page 13: Chapter 3. Installation

    2 for detail. 3.1 Installing the DIMMs The GT-650 single board computer accepts from 32 MB up to 512 MB of SDRAM Module. The two 168-pin SDRAM Dual Inline Memory Module (DIMM) sockets will accept 64 bits DIMM modules (3.3V memory – UN-buffered SDRAM only).

  • Page 14: Installing The Cpu

    Double-checks the insertion and orientation of the CPU before applying power. Improper installation will result in permanent damage to the CPU. Add the heat sink on the top of CPU properly. It is very important to have property heat sink for different speed CPU. GT-650 Installation...

  • Page 15: Completing The Installation

    Set the configuration jumpers in accordance with Chapter 2. Power button will be connected to pin 1-3 of JP1. Connect the ATX power supply to ATX connector on GT-650. Connect the applicable I/O cables and peripherals, i.e. floppy disk, hard disk, monitor, keyboard, power supply and etc.

  • Page 16: Chapter 4. Award Bios Setup

    By pressing <Del> immediately after switching the system on, or By pressing the <Del> key when the following message appears briefly at the bottom of the screen during the POST (Power On Self-Test). Press DEL to enter SETUP. GT-650 BIOS Setup 4 - 1...

  • Page 17: Using Setup

    Load previous values from CMOS F6 key Load the fail-safe defaults from BIOS default table F7 key Load the optimized defaults F10 key Save all the CMOS changes and exit Table 4-1 Legend Keys GT-650 BIOS Setup 4 - 2...
  • Page 18 The final appearance of the Setup program also depends on the Original Equipment Manufacturer (OEM) who built your system. If your OEM has decided that certain items should only be available to their technicians, those items may very well be removed from the Setup program. GT-650 BIOS Setup 4 - 3...

  • Page 19: The Main Menu

    Use this menu to set the Advanced Features available on your system. See Section 4.4 for the details. Advanced Chipset Features Use this menu to change the values in the chipset registers and optimize your system's performance. See section 4.5 for the details. GT-650 BIOS Setup 4 - 4...
  • Page 20 Save & Exit Setup Save CMOS value changes to CMOS and exit setup. See section 4.12 for the details. Exit Without Save Abandon all CMOS value changes and exit setup. See section 4.12 for the details. GT-650 BIOS Setup 4 - 5...

  • Page 21: Standard Cmos Setup

    Halt On No Errors Based Memory Extended Memory 64512 Total Memory 65536 ↑↓←→Move Enter: Select +/-/PU/PD: Value F10:Save ESC: Exit F1:General Help F5:Previous Values F6:Fail-safe defaults F7:Optimized Defaults Figure 4-2: Standard CMOS features Menu GT-650 BIOS Setup 4 - 6...
  • Page 22 Displays the amount of conventional memory detected during boot up Extended Displays the amount of Memory extended memory detected during boot up Total Memory Displays the total memory available in the system Table 4-2 Standard CMOS Selections GT-650 BIOS Setup 4 - 7...
  • Page 23 F6:Fail-safe defaults F7:Optimized Defaults Figure 4-3 IDE Primary Master sub menu Use the legend keys to navigate through this menu and exit to the main menu. Use Table 4-3 to configure the hard disk. GT-650 BIOS Setup 4 - 8...
  • Page 24 Max = 65535 65535 means no hard disk Landing zone Min = 0 **** Max = 65535 Sector Min = 0 Number of sectors per track Max = 255 Table 4-3 Hard disk selections GT-650 BIOS Setup 4 - 9...

  • Page 25: Advanced Bios Features

    Disabled No warning message will appear when anything attempts to access the boot sector or hard disk partition table. GT-650 BIOS Setup 4 - 10...
  • Page 26 A pin in the keyboard controller controls GateA20 Fast Lets chipset control GateA20 Typematic Rate Setting Key strokes repeat at a rate determined by the keyboard controller. When enabled, the typematic rate and typematic delay can be selected. The choice: Enabled/Disabled. GT-650 BIOS Setup 4 - 11...
  • Page 27 Select the operating system that is running with greater than 64MB of RAM on the system. The choice: Non-OS2, OS2. Report No FDD for Win 95 Whether report no FDD for Win 95 or not. The choice: Yes, No. GT-650 BIOS Setup 4 - 12...

  • Page 28: Advanced Chipset Features

    Such a scenario might well occur if your system had mixed speed DRAM chips installed so that greater delays may be required to preserve the integrity of the data held in the slower memory chips. GT-650 BIOS Setup 4 - 13...
  • Page 29 Video BIOS Cacheable Select Enabled allows caching of the video BIOS, resulting in better system performance. However, if any program writes to this memory area, a system error may result. The Choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 14...
  • Page 30 You can use this item to select the operating frequency for the main system memory. The Choice: Auto, 100MHZ, 133MHZ. On-Chip Video Window Size Select the on-chip video window size for VGA drives use. The Choice: 32MB, 64MB, Disabled. GT-650 BIOS Setup 4 - 15...
  • Page 31 This item controls RAS# active to Protegra, and refresh to RAS# active delay ( in local memory clocks). The Choice: Fast , Slow. RAS Precharge Time This item controls RAS# precharge (in local memory clocks). The Choice: Fast , Slow. GT-650 BIOS Setup 4 - 16...

  • Page 32: Integrated Peripherals

    Figure 4-6 Integrated Peripherals On Chip Primary/Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels. Select Enabled to activate each channel separately. The choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 17...
  • Page 33 If your IDE hard drive supports block mode (most new drives do), select Enabled for automatic detection of the optimal number of block read/writes per sector the drive can support. The choice: Enabled, Disabled GT-650 BIOS Setup 4 - 18...
  • Page 34 IR Transmission delay This item allows you to enable/disable IR transmission delay. The choice: Enabled, Disabled. UR2 Duplex Mode This item allows you to select the IR half/full duplex funcion. The choice: Half, Full. GT-650 BIOS Setup 4 - 19...
  • Page 35 This item allows you to select if you want to power on the system after power failure. The choice: Off, On, Former-Sts. Watch Dog Timer Select This item allows you to define your system if you want the watch dog timer function enable or disable. The choice: Enable, Disable. GT-650 BIOS Setup 4 - 20...

  • Page 36: Power Management Setup

    ↑↓←→Move Enter: Select +/-/PU/PD: Value F10:Save ESC: Exit F1:General Help F5:Previous Values F6:Fail-safe defaults F7:Optimized Defaults Figure 4-7 Power Management Setup ACPI Function This item allows you to enable/disable the Advanced Configuration and Power Management (ACPI). The choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 21...
  • Page 37 The choice: Enabled, Disabled. HDD Power Down When enabled and after the set time of system inactivity, the hard disk drive will be powered down while all other devices remain active. The choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 22...
  • Page 38 In effect, the system remains alert for anything, which occurs to a device that is configured as Enabled, even when the system is in a power down mode. Primary IDE 0 Primary IDE 1 Secondary IDE 0 Secondary IDE 1 FDD, COM, LPT Port PCI PIRQ[A-D] # GT-650 BIOS Setup 4 - 23...

  • Page 39: Pnp/Pci Configuration Setup

    System Configuration Data (ESCD) when you exit Setup if you have installed a new add-on and the system reconfiguration has caused such a serious conflict that the operating system cannot boot. The choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 24...
  • Page 40 IRQ Resources When resources are controlled manually, assign each system interrupt a type, depending on the type of device using the interrupt. PCI/VGA Palette Snoop Leave this field at Disabled. The choice: Enabled, Disabled. GT-650 BIOS Setup 4 - 25...

  • Page 41: Pc Health Status

    Current CPU1 Temperature Show you the current CPU1 temperature. Current CPUFAN 1/2/3 Speed Show you the current CPUFAN operating speed. IN0/1/2 (V) Show you the voltage of Vin (0)/(1)/(2). +5V/+12V/-12V/-5V Show you the voltage of +5V/+12V/-12V/-5V. GT-650 BIOS Setup 4 - 26...
  • Page 42 CPU Clock Ratio This item allows you to set up the CPU clock ratio, but this function depends on different CPU performance. It is only effective for those clock ratios hasn’t been locked. The choice: X3.0~X8.0. GT-650 BIOS Setup 4 - 27...

  • Page 43: Default Menu

    When you press <Enter> on this item you get a confirmation dialog box with a message similar to: Load Optimized Defaults (Y/N)? N Pressing ‘Y’ loads the default values that are factory settings for optimal performance system operations. GT-650 BIOS Setup 4 - 28...

  • Page 44: Password Setting

    Menu and its Security option. If the Security option is set to “System”, the password will be required both at boot and at entry to Setup. If set to “Setup”, prompting only occurs when trying to enter Setup. GT-650 BIOS Setup 4 - 29...

  • Page 45: Exit Selecting

    Pressing <Enter> on this item asks for confirmation: Quit without saving (Y/N)? This allows you to exit Setup without storing in CMOS any change. The previous selections remain in effect. This exits the Setup utility and restarts your computer. GT-650 BIOS Setup 4 - 30...

  • Page 46: Post Messages

    Also be sure the disk is formatted as a boot device. Then reboot the system. GT-650 BIOS Setup 4 - 31...
  • Page 47 Cannot initialize controller. Make sure the cord is correctly and firmly installed in the bus. Be sure the correct hard drive type is selected in Setup. Also check to see if any jumper needs to be set correctly on the hard drive. GT-650 BIOS Setup 4 - 32...
  • Page 48 Setup and enter the new memory size in the memory fields. Memory Verify Error at... Indicates an error verifying a value already written to memory. Use the location along with your system's memory map to locate the bad chip. GT-650 BIOS Setup 4 - 33...
  • Page 49 The board installed is not responding to the ID request, or no board ID has been found in the indicated slot. NOTE: When this error appears, the system will boot in ISA mode, which allows you to run the EISA Configuration Utility. GT-650 BIOS Setup 4 - 34...
  • Page 50 BIOS detect the keyboard is locked. P17 of keyboard controller is pulled low. Keyboard error or no keyboard present. Cannot initialize the keyboard. Make sure the keyboard is attached correctly and no keys are being pressed during the boot. GT-650 BIOS Setup 4 - 35...
  • Page 51 This is also used for M/B burn in test. BIOS ROM checksum error - System halted. The checksum of ROM address F0000H-FFFFFH is bad. Memory test fail. BIOS reports the memory test fail if the onboard memory is tested error. GT-650 BIOS Setup 4 - 36...

  • Page 52: Post Codes

    Test F000h segment shadow to see whether it is R/W-able or not. If test fails, keep beeping the speaker. Reserved Auto detect flash type to load appropriate flash R/W codes into the run time area in F000 for ESCD & DMI support. Reserved GT-650 BIOS Setup 4 - 37...
  • Page 53 5. Early PCI initialization: -Enumerate PCI bus number -Assign memory & I/O resource -Search for a valid VGA device & VGA BIOS, and put it into C000:0. Reserved Reserved Reserved Initialize INT 09 buffer Reserved GT-650 BIOS Setup 4 - 38...
  • Page 54 Reserved Reserved Test 8259 functionality. Reserved Reserved Reserved Initialize EISA slot Reserved 1. Calculate total memory by testing the last double word of each 64K page. 2. Program writes allocation for AMD K5 CPU. GT-650 BIOS Setup 4 - 39...
  • Page 55 Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility. Reserved Reserved Reserved Reserved Initialize PS/2 Mouse Reserved Prepare memory size information for function call: INT 15h ax=E820h GT-650 BIOS Setup 4 - 40...
  • Page 56 2. Recover the text fond used by EPA logo (not for full screen logo) 3. If password is set, ask for password. Save all data in stack back to CMOS Initialize ISA PnP boot devices GT-650 BIOS Setup 4 - 41...
  • Page 57 1. Build MP table 2. Build & update ESCD 3. Set CMOS century to 20h or 19h 4. Load CMOS time into DOS timer tick 5. Build MSIRQ routing table. Boot attempt (INT 19h) GT-650 BIOS Setup 4 - 42...

  • Page 58: Chapter 5. Software Setup

    Software Setup 5.1 INF Update Utility for Intel 815E Chipset Insert the CD that came with GT-650 single board computer into your CD_ROM driver, You will find the setup utility under different OS. Change to the directory for different OS will find the “setup.exe” utility program, double-click on the setup utility to bring up to setup screen.
  • Page 59 User’s Manual Click on “Yes” Click on “Next” GT-650 Software Setup...
  • Page 60 User’s Manual Click “Finish” to restart computer GT-650 Software Setup...
  • Page 61 User’s Manual For Windows NT 4.0 system Click on “Next” Click on “Yes” GT-650 Software Setup...
  • Page 62 User’s Manual Click “Finish” to restart computer GT-650 Software Setup...

  • Page 63: Intel 815E Chipset Graphics Control Driver

    User’s Manual 5.2 Intel 815E Chipset Graphic Control Driver For Windows 98, Windows ME, Windows 2000 and Windows NT4.0 system Click on “Next” Click on “Yes” GT-650 Software Setup...
  • Page 64 User’s Manual Click “Finish” to restart computer GT-650 Software Setup...

  • Page 65: Pci Multimedia Audio Device

    User’s Manual 5.3 PCI Multimedia Audio Device For Windows 98 and Windows ME system Click on “Next” Click “OK” to restart computer GT-650 Software Setup...
  • Page 66 User’s Manual 5.3.1 PCI Multimedia Audio Device Found Click on “Next” Click on “Next” GT-650 Software Setup...
  • Page 67 User’s Manual Click on “Next” Click on “Next” GT-650 Software Setup 5-10...
  • Page 68 User’s Manual Click “Finish” GT-650 Software Setup 5-11...
  • Page 69 User’s Manual For Windows 2000 and Windows NT4.0 system Click on “Next” Click “Finish” to restart computer GT-650 Software Setup 5-12...

  • Page 70: Pci Ethernet Controller Found

    User’s Manual 5.4 PCI Ethernet Controller Found 5.4.1 For windows 98 Double click on “System” High light “PCI Ethernet Controller” then clicks “Properties” GT-650 Software Setup 5-13...
  • Page 71 User’s Manual Select “Driver” then click on “Update Driver” Click on “Next” GT-650 Software Setup 5-14...
  • Page 72 User’s Manual Click on “Next” Setup PATH from “Browse” then click on “Next” GT-650 Software Setup 5-15...
  • Page 73 User’s Manual Select correct LAN driver for OS by browser Click on “Next” GT-650 Software Setup 5-16...
  • Page 74 User’s Manual Click on “Finish” Click on “Yes” to restart computer GT-650 Software Setup 5-17...
  • Page 75 User’s Manual 5.4.2 For Windows 2000 system Click on “System” GT-650 Software Setup 5-18...
  • Page 76 User’s Manual Select “Hardware” then click on “Device Manager” Double click on “Ethernet Controller” GT-650 Software Setup 5-19...
  • Page 77 User’s Manual Select “Driver” then click on “Update Driver” Click on “Next” GT-650 Software Setup 5-20...
  • Page 78 User’s Manual Click on “Next” Click on “Next” GT-650 Software Setup 5-21...
  • Page 79 User’s Manual Specify the PATH by Browser Locate the INF file GT-650 Software Setup 5-22...
  • Page 80 User’s Manual Click on “Next” Click on “Finish” GT-650 Software Setup 5-23...
  • Page 81 User’s Manual Click on “Close” GT-650 Software Setup 5-24...
  • Page 82 User’s Manual 5.4.3 Windows NT4.0 system Double click “Network” on Control Panel Add or modify the computer name and workgroup GT-650 Software Setup 5-25...
  • Page 83 User’s Manual Click on “Add” Click on “Have Disk” GT-650 Software Setup 5-26...
  • Page 84 User’s Manual Entry the Path then click “OK” Select RTL8139 then click “OK” GT-650 Software Setup 5-27...
  • Page 85 User’s Manual Realtek RTL8139 Driver loads automatically then click “Close” Click “Yes” to restart computer GT-650 Software Setup 5-28...

  • Page 86: Pci Multimedia Video Device Found

    User’s Manual 5.5 PCI Multimedia Video Device Found 5.5.1 For Windows 98 and Windows ME Double click on “System” Select “PCI Multimedia Video Device” then clicks “Properties” GT-650 Software Setup 5-29...
  • Page 87 User’s Manual Select “Driver” then click on “Update Driver” Click on “Next” GT-650 Software Setup 5-30...
  • Page 88 User’s Manual Click on “Next” Click “Browse” to specify PATH GT-650 Software Setup 5-31...
  • Page 89 User’s Manual Click on “Next” Click “OK” GT-650 Software Setup 5-32...
  • Page 90 User’s Manual Specify the file location then click “OK” Click on “Finish” GT-650 Software Setup 5-33...
  • Page 91 User’s Manual Click on “Close” Select “PCI Multimedia Device” then clicks “Properties” GT-650 Software Setup 5-34...
  • Page 92 User’s Manual Select “Driver” then click on “Update Driver” Click on “Next” GT-650 Software Setup 5-35...
  • Page 93 User’s Manual Click on “Next” Click on “Next” GT-650 Software Setup 5-36...
  • Page 94 User’s Manual Click on “Next” Click on “Finish” GT-650 Software Setup 5-37...
  • Page 95 The directory, labeled RTL 8139C, which comes with CD_ROM contains all the software drivers available for various operation system. Different drivers are stored in separate subdirectories, which also include a text file. Select the driver you need and refer to the text file for the installation procedure. GT-650 Ethernet Net...
  • Page 96 Data 0 Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 -Acknowledge Busy Paper Empty + Select - Auto Feed - Error - INIT Printer - Select Input 18-26 Ground GT-650 Pin Assignment B - 1...
  • Page 97 User’s Manual • HDD Connector (IDE1, 2) Pin no. Signal Pin no. Signal - RST N.C. N.C. IORDY BALE N.C. -IO CS16 N.C. -ACT GT-650 Pin Assignment B - 2...
  • Page 98 Drawing of FDD 26 pin box header Pin no. Signal 1,3,5 7,11,13,19,21 Unused Index Driver Select Disk Change High Density Motor Select Direction Step Pulse Write Data Write Enable Track 0 Write Protect Read Data Select Head 15,17,23,25 Ground GT-650 Pin Assignment B - 3...
  • Page 99 • RS-232 (COM1), RS-232 / RS-422 / RS-485 (COM2) COM1 COM2 RS-232 Connector (COM1) Pin no. Signals RS-232/RS-422/RS-485 Connector (COM2) (Please setup mode type by JP3) Pin no. RS-232 RS-422 RS-485 DATA- DATA+ RTS + RTS - CTS + CTS - GT-650 Pin Assignment B - 4...
  • Page 100 User’s Manual CRT Display Connector (VGA) Pin no. Signal GREEN BLUE H-SYNC V-SYNC GT-650 Pin Assignment B - 5...
  • Page 101 PS/2 Key board PS/2 Mouse Pin no. K/B Signals (Mini Din) Mouse Signals (Mini Din) KB data MS data KB clock MS clock Ethernet connector (RJ-45) Drawing of Ethernet connector RJ-45 Pin no. signals GT-650 Pin Assignment B - 6...
  • Page 102 AGND VIN22 V-I-OE10 VIN23 V-I-OE11 AGND V-I-OE12 VIN10 V-I-OE13 VIN11 AGND VIN12 VIN13 Note: VIN xx is analog video input channel xx. V-I-OExx is Odd / Even field information of video input channel xx. GT-650 Pin Assignment B - 7...
  • Page 103 Pin no. signals Pin no. signals Audio IN3 GPIO-0 AGND GPIO-1 Audio IN2 GPIO-2 AGND GPIO-3 Audio IN1 GPIO-4 AGND GPIO-5 Audio IN0 GPIO-6 GND(for GPIO) GPIO-7 Infra-Red (IR) Pin no. signals IRRX IRTX CIRRX GT-650 Pin Assignment B - 8...
  • Page 104 AD14 RST* AD13 AD11 AD12 GNT0* AD10 REQ0* PME* AD30 AD31 VCC3 AD29 C/BE0* AD28 VCC3 AD26 AD27 VCC3 AD25 AD24 VCC3 AD16 C/BE3* VCC3 AD23 AD22 AD20 AD21 REQ64* ACK64* AD19 AD18 VCC3 GT-650 Pin Assignment B - 9...

  • Page 105: Appendix C Updating Bios

    BIOS file located use the utility AWDFLASH.EXE to update the BIOS. Type “AWDFLASH new bios filename” under the prompt. Turn off the power after the system updates the BIOS. Turn on the power again. GT-650 Updating BIOS C - 1...

  • Page 106: Appendix D Watchdog Timer

    Configuration Register FE (CRFE), and so forth through the extended Function Data Register (EFDR). The EFIRs are write only register with port address 2Eh or 4Eh. The EFDRs are read/write registers with port address 2Fh or 4Fh. GT-650 WatchDog Timer D - 1...
  • Page 107 CRF5 (Default 0x00) Bit 7-6: Select PLED mode Bit 5-4: Reserved Bit3: Select Watchdog count mode second mintue Bit2: Enable the rising edge of keyboard Reset to force Time-out event. Disable Enable Bit 1-0: Reserved GT-650 WatchDog Timer D - 2...
  • Page 108 2Fh. It will reset the system in 30 seconds. We can use both keyboard interrupt and mouse interrupt to cause the watchdog to reload and start to count down from the value of CRF6. GT-650 WatchDog Timer D - 3...
  • Page 109 ;enable device 8 dx,al dx,2eh al,07h dx,al dx,2fh al,08h ;device 8 dx,al dx,2eh al,0f7h dx,al ;device 8,CRF7 dx,2fh al,0c0h dx,al dx,2eh al,07h dx,al dx,2fh al,08h dx,al ;device 8 GT-650 WatchDog Timer D - 4...
  • Page 110 ;device 8 dx,2eh al,0f6h ;device 8, CRF6 dx,al dx,2fh al,1fh ;The value is to control the watchdog dx,al ;timer. 1fh=30 seconds (or minutes) ;------------------------------ ; Exit extend function mode ;------------------------------ dx,2eh al,0aah dx,al .exit GT-650 WatchDog Timer D - 5...

  • Page 111: Appendix E Mechanical Drawing

    User’s Manual Appendix E Mechanical Drawing GT-650 Mechanical drawing...

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