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Watchdog Timer

5.1.1

Using the Watchdog in an Application

The following topic is provided to help you learn how to use the watchdog in an
application. The watchdog’s Reset function is described. The Watchdog Reset
is controlled through the watchdog’s "Control and Status Register".

Watchdog Reset

An application using the reset feature enables the watchdog reset, sets the
terminal count period, and periodically strobes the watchdog to keep it from
resetting the system. If a strobe is missed, the watchdog times out and resets
the system hardware.

For a detailed programming sample, please refer to the sample code provide
with the CD-ROM located at :\CHIPDRV\WDT\DOS\NP900\WDT.CPP

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Содержание NuPRO-900A

Страница 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Страница 2: ...NuPRO 900A Full Size ePCI X System Host Board with Dual Xeon CPU User s Guide Recycled Paper ...

Страница 3: ......

Страница 4: ...al 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 laws 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 NuPRO ...

Страница 5: ...886 2 82265877 FAX 886 2 82265717 Address 9F No 166 Jian Yi Road Chungho City Taipei 235 Taiwan Please email or FAX your detailed information for prompt satisfactory and consistent service Detailed Company Information Company Organization Contact Person E mail Address Address Country TEL FAX Web Site Questions Product Model Environment OS Computer Brand M B CPU Chipset BIOS Video Card NIC Other De...

Страница 6: ...7 1 3 10 IDE Controller and Floppy Interface Controller 7 1 3 11 Keyboard Mouse Controller 8 1 3 12 Software 8 1 4 Specifications 9 Chapter 2 Jumpers and Connectors 13 2 1 NuPRO 900 Board Outline and Illustration 14 2 1 1 NuPRO 900 Top View 14 2 1 2 Front View 15 2 2 NuPRO 900 Connector Pin Assignments 16 2 2 1 VGA Connector 16 2 2 2 CN7 USB Pin Header 2 Ports 16 2 2 3 COM1 COM2 Pin Header 17 2 2 ...

Страница 7: ...rdware Configuration File Installation 32 4 2 Driver Installation 32 4 2 1 VGA Driver Installation 32 4 2 2 LAN Driver Installation 33 Chapter 5 Watchdog Timer 35 5 1 Watchdog Timer Overview 35 5 1 1 Using the Watchdog in an Application 36 Chapter 6 ePCI X Bus Details 37 6 1 NuPRO 900A ePCI X Bus 37 6 2 Global Signals 37 6 2 1 Standby Supply 3 3Vaux 37 6 2 2 ATX Support 37 6 2 3 JTAG37 6 2 4 I 2 C...

Страница 8: ... 18 Table 10 PS 2 Keyboard Mouse Connector Pin definition 19 Table 11 Floppy Connector Pin Definition 19 Table 12 IDE Connector Pin Definition 20 Table 13 Front Panel Pin Definition 21 Table 14 Mini PCI Socket Pin Definition 22 Table 15 Jumpers Definition on PXI 3710 Error Bookmark not defined Table 16 Clear CMOS RTC RAM Error Bookmark not defined List of Figures Figure 1 Functional Block Diagram ...

Страница 9: ...lications and specifications Chapter 2 Connectors and Jumpers Outlines all the connectors and its pin definitions Chapter 3 Getting Started Summarizes of what is required to setup an operational system using the NuPRO 900 Hardware installation and BIOS overview is discuss Chapter 4 Driver Installation Provides some instructions of how to install the software drivers successfully Chapter 5 Utilitie...

Страница 10: ... FSB of 400 533MHz and a maximum CPU clock of 3 06GHz featuring 64 bit 133MHz PCI PCI X bus with up to 8GB high performance DDR host SDRAM support It provides all standard I Os including RS 232 Printer Port USB EIDE Ethernet and video interfaces The NuPRO 900A is designed to meet the needs of applications which require the highest computing performance and highest reliability and is designed to ru...

Страница 11: ...HDD This User s Manual ADLINK CD Y Cable for PS 2 Keyboard Mouse Printer Port Com Port cables with bracket Com Cables with bracket USB Cables with bracket 2 Sets of Cooler kits Floppy cable ATA 100 Cables x 2 Note The package of the NuPRO 90A0 OEM version non standard configuration functionality or package may vary according to different configuration requests CAUTION This board must be protected ...

Страница 12: ...200 266MHz ECC DDR DRAM with serial presence detect Supports a maximum of 8GB of memory by four sockets Two Intel 82546EB 64 bit PCI X Gigabit Ethernet interfaces on P64H2 2 bus A ADLINK mPCI 8750 via on board MiniPCI interface 32 bit 33MHz ATI Rage XL VGA chip with 8MB Video memory Supports all generic features include VGA COM ports USB keyboard mouse and hardware monitoring Built in monitoring C...

Страница 13: ...nal Blocks and Main Board The following topics provide an overview of the NuPRO 900A main features as shown in the functional block diagram below and also the main board Functional Block Diagram Figure 1 Functional Block Diagram ...

Страница 14: ...Introduction 5 Main Board Drawing Figure 2 Main Board Drawing ...

Страница 15: ...B s of bandwidth across two high performance Double Data Rate SDRAM memory channels To balance the performance offered by the processor and memory interfaces the MCH allows several high bandwidth I O configuration options for a total of 3 2GB s of I O bandwidth Together these features deliver balanced high throughput system performance for dual processor server platforms 1 3 3 The Intel 82801CA I ...

Страница 16: ...uration also assigns COM1 to IRQ4 and COM2 to IRQ3 The NuPRO 900A serial controller resides in the W83627HF Super I O device 1 3 8 IEEE 1284 Parallel Port Printer Interface The parallel I O interface signals are routed to a 26 pin connector on the board This port supports the full IEEE 1284 specifications and provides the basic printer interface Firmware will initialize the parallel port as LPT1 w...

Страница 17: ...The keyboard mouse signals are available through the PS 2 circular DIN on the panel Both the keyboard and mouse can be connected at the same time using ADLINK s Y cable An extra pin header connector is available for connection of an external keyboard or mouse The NuPRO 900A keyboard mouse controller resides in the Winbond W83627HF Super I O device 1 3 12 Software The NuPRO 900A is compatible with ...

Страница 18: ...sor no termination needed Support low power Intel Xeon with 512kB L2 cache up to 3 06GHz 400 533MHz FSB Chipset Intel E7501 Memory Control Hub MCH Intel 82801CA I O Control Hub 3 ICH3 S Intel 82870P2 PCI PCI X 64 bit Hub 2 P64H2 Host Memory Four DDR DIMM sockets Supports ECC registered DDR DRAM Capacity up to 8GB note dependent on DIMM availability BIOS Award Phoenix BIOS advanced by ADLINK BIOS w...

Страница 19: ...true color non interlaced USB Interface Supports two USB version 1 1 ports with integrated USB host controller in ICH3 USB ports provide 0 5A 5V power for peripheral devices with over current protection IDE Ports Bus master IDE controller supports two ultra ATA 100 66 33 interfaces Super I O and WDT Winbond W83627HF Two 16C550 UART compatible RS 232 COM ports PS2 keyboard and mouse supported W8278...

Страница 20: ... Windows XP Red Hat Linux Other OS support available upon request Environment Operating temperature 5 55 C Storage temperature 40 70 C Humidity 5 95 non condensed Safety Certificate and Test CE FCC All plastic material used on board are all UL 94V certified ...

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Страница 22: ... with the interfaces and connections available before getting started it will provide information about the board layout connector definitions and jumper setup This will includes the following information NuPRO 900A board outline and illustration NuPRO 900A connectors pin assignments NuPRO 900A jumpers setting ...

Страница 23: ...900 Board Outline and Illustration 2 1 1 NuPRO 900 Top View Refer to the table below for the description for each location Figure 3 NuPRO 900A Top View CPU0 CPU1 CN18 DM2 DM4 DM3 CN2 CN1 CN8 CN11 CN3 CN5 CN4 CN6 CN15 CN14 CN10 CN7 JP2 DM1 ...

Страница 24: ... header 2 ports CN8 Floppy Disk connector CN9 Reserved CN10 Mini PCI socket CN11 COM1 connector CN12 Parallel port connector CN13 Front panel pin header CN14 COM2 connector CN15 Case open pin header CN16 Fan1 for CPU0 CN17 ATX power connector CN18 Fan2 for CPU1 DM1 DDR SDRAM A2 socket DM2 DDR SDRAM B2 socket DM3 DDR SDRAM A1 socket DM4 DDR SDRAM B1 socket CPU0 CPU0 socket for Xeon Processor CPU1 C...

Страница 25: ...n Pin Signal Name Red 1 2 Green Blue 3 4 N C GND 5 6 GND GND 7 8 GND 5V 9 10 GND N C 11 12 DDCDAT HSYNC 13 14 VSYNC DDCCLK 15 Table 2 VGA Connector Pin Definition 2 2 2 CN7 USB Pin Header 2 Ports Pin Signal Function Pin Signal Function 1 VCC Power 2 GND Ground 3 USB Data 4 NC Empty 5 USB Data 6 USB Data 7 NC Empty 8 USB Data 9 GND Ground 10 VCC Power Table 3 USB Connectors Pin Definition ...

Страница 26: ...IGNAL LAN2 SIGNAL FUNCTION 1 LAN1_TDP1 LAN2_TDP1 Transmit Data1 2 LAN1_TDN1 LAN2_TDN1 Transmit Data1 3 LAN1_RDP2 LAN2_RDP2 Receive Data2 4 LAN1_RDP3 LAN2_RDP3 Receive Data3 5 LAN1_RDN3 LAN2_RDN3 Receive Data3 6 LAN1_RDN2 LAN2_RDN2 Receive Data2 7 LAN1_TDP4 LAN2_TDP4 Transmit Data4 8 LAN1_TDN4 LAN2_TDN4 Transmit Data4 Table 5 Ethernet Connector Pin Definition LED Color Status Function ON 1000Mbps G...

Страница 27: ...l data 6 8 21 Ground PD7 parallel data 7 9 22 Ground ACK acknowledge 10 23 Ground Busy 11 24 Ground Paper empty 12 25 Ground Select 13 N A N A Table 7 Parallel Connector Pin Definition 2 2 6 Case Open connector Signal is connected to a limit switch sensor of the chassis to detect case open or closed PIN SIGNAL FUNCTION 1 CASEOPEN Case Open Signal 2 GND Ground Table 8 Case Open connector Pin Defini...

Страница 28: ...or Pin definition 2 2 9 Floppy Disk connector Pin Function Pin Function 1 Ground 2 Extended Density 3 Ground 4 No Connect 5 6 Data Rate 7 Ground 8 Index 9 Ground 10 Motor A Select 11 Ground 12 Drive B Select 13 Ground 14 Drive A Select 15 Ground 16 Motor B Select 17 Ground 18 Step Direction 19 Ground 20 Step Pulse 21 Ground 22 Write Data 23 Ground 24 Write Gate 25 Ground 26 Track 0 27 Ground 28 Wr...

Страница 29: ... Host data 3 11 12 Host data 12 Host data 2 13 14 Host data 13 Host data 1 15 16 Host data 14 Host data 0 17 18 Host data 15 Ground 19 20 N C DRQ0 DRQ1 21 22 Ground Host IOW 23 24 Ground Host IOR 25 26 Ground IOCHRDY 27 28 Host ALE DACK0 DACK1 29 30 Ground IRQ14 IRQ 15 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activity 39 40 Ground Tabl...

Страница 30: ... 7 NC No connect 8 PWRON Power on signal 9 5VSB Standby Power 10 PME Optional Power Management Event ATX Power Connector 11 WDSPK Speaker signal 12 NC No connect 13 NC No connect 14 5V Power Chassis Speaker 15 RESETBT RESET Button signal 16 GND Ground RESET button 17 HDDLED Hard Disk LED signal 18 5V Power Hard Disk LED 19 PWRBT POWER Button signal 20 GND Ground Power on button Table 13 Front Pane...

Страница 31: ...D 7 88 3 3V 27 GND 28 3 3V 89 3 3V 90 AD 6 29 REQ 30 GNT 91 AD 5 92 AD 4 31 3 3V 32 GND 93 EX_GNT 94 AD 2 33 AD 31 34 PME 95 AD 3 96 AD 0 35 AD 29 36 EX_REQ 97 5V 98 SMBCLK 37 GND 38 AD 30 99 AD 1 100 SMBDATA 39 AD 27 40 3 3V 101 GND 102 GND 41 AD 25 42 AD 28 103 AC_SYNC 104 GND 43 EX_IDSEL 44 AD 26 105 AC_SDIN 106 AC_SDOUT 45 C BE 3 46 AD 24 107 AC_BITCLK 108 AC_ID0 47 AD 23 48 IDSEL 109 AC_ID1 1...

Страница 32: ...Jumpers and Connectors 23 2 3 Clear CMOS Use one conductor to touch JP2 pin1 2 to clear CMOS JP2 3 2 1 ...

Страница 33: ......

Страница 34: ...ual FC mPGA2 Intel low power Xeon processor with a front side bus FSB of 400MHz or 533MHz Users need to install highly efficient CPU fan cooler to guarantee the systems stability To install the CPU follow the steps below carefully 1 Lift the lever on the CPU socket 2 Insert the CPU in the socket making sure that pin 1 of the CPU aligns with pin 1 of the socket both corners are marked with a triang...

Страница 35: ...he NuPRO 900A Correct memory configuration is critical for proper system operation 3 2 1 Memory Configuration Options The NuPRO 900 has flexible memory configuration options These include support for 64MB 128MB 256MB 512MB 1GB 2GB Modules Note that the modules must all be the same type and density and must be installed in pairs and if only one pair of DIMM modules are used populate DM1 and DM2 fir...

Страница 36: ...so that all modules are installed 5 Once the modules are installed system memory installation is complete 3 3 Connecting IDE Devices to the NuPRO 900A The NuPRO 900A supports two IDE channels Primary and Secondary It has two IDE device connectors onboard which support IDE devices running in any data transfer mode up to ATA 100 Each IDE connector supports two drives a Master and a Slave The drives ...

Страница 37: ...ize the system at boot up or reset The configuration is protected by a checksum word for system integrity To access the Setup utility press the Del key during the system RAM check at boot time When Setup runs an interactive configuration screen displays Setup parameters are divided into different categories The available categories are listed in a menu The parameters within the highlighted current...

Страница 38: ...istribution disks as these typically note documentation discrepancies or compatibility problems Select the appropriate boot device order in the SETUP boot menu depending on the OS installation media used For example if the OS includes a bootable installation floppy select Floppy as the first boot device and reboot the system with the installation floppy installed in the floppy drive Note that if t...

Страница 39: ......

Страница 40: ...side the ADLINK CD The drivers are located in the following directories of the CD Rom Chipset driver CHIPDRV Chipset E7500 LAN relative driver CHIPDRV LAN 82546EB Watchdog relative library CHIPDRV WDT dos NP900 4 1 Intel E7501 Chipset This section describes the installation procedure for the Intel E7501 chipset device driver under Windows 2000 XP 4 1 1 System Requirements One of the following oper...

Страница 41: ...with a license agreement If you do not agree with the terms and conditions of using the software the Installer will exit before extracting any files 6 Follow the on screen instructions and use the default settings to complete the setup once the operating system has rebooted This completes the installation of the Intel Chipset Software Installation Utility 4 2 Driver Installation 4 2 1 VGA Driver I...

Страница 42: ...me During Windows 2000 XP installation the operating system will install a LAN driver automatically We recommend that the most updated LAN driver be installed which is shipped with the ADLINK CD This will ensure total compatibility After installing the OS update to the newer driver using the following steps 1 Run the self extracting pro2kxpm exe file The extracted files are stored to the default l...

Страница 43: ......

Страница 44: ...s programmed The major features of the watchdog timer are Enabled and disabled through software control Armed and strobed through software control Figure 8 Watchdog Timer Architecture The NuPRO 900A custom watchdog timer circuit is implemented in a programmable logic device The watchdog timer contains two Control and Status Register CRF5 and CRF7 of logical device 8 The watchdog times out after a ...

Страница 45: ... the watchdog s Control and Status Register Watchdog Reset An application using the reset feature enables the watchdog reset sets the terminal count period and periodically strobes the watchdog to keep it from resetting the system If a strobe is missed the watchdog times out and resets the system hardware For a detailed programming sample please refer to the sample code provide with the CD ROM loc...

Страница 46: ...ls 6 2 1 Standby Supply 3 3Vaux The NuPRO 900A on board circuit generate 3 3Vaux power from the 5Vaux or 5V Therefore NuPRO 900A does not need the backplane to provide 3 3Vaux 6 2 2 ATX Support The ATX support signals include PWRGD PSON PWRBT 5Vaux The NuPRO 900A design provides the ATX power control capability If the backplane did not provide the 5Vaux then the PWRBT and PSON won t work as under ...

Страница 47: ...buses must be 3 3V or universal PCI interface If a application need to support 5V only PCI cards then a PCI to PCI bridge must be designed on the backplane to isolated the 5V PCI cards behinds the bridge 6 3 3 M66EN and PCIXCAP The Bus A and Bus B support up to PCI X 133 the M66EN and PCIXCAP of Bus A and Bus B can be used to program the PCI mode 6 3 4 REQ GNT Signals Both Bus A and Bus B provide ...

Страница 48: ... not cover repair costs due to a Damage caused by not following instructions b Damage caused by carelessness on the users part during product transportation c Damage caused by fire earthquakes floods lightening pollution other acts of God and or incorrect usage of voltage transformers d Damage caused by unsuitable storage environments i e high temperatures high humidity or volatile chemicals e Dam...

Страница 49: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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