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PCA-6782 User Manual

58

A.1

Watchdog Timer

The PCA-6782's watchdog timer can be used to monitor system software operation
and take corrective action if the software fails to function after a programmed period.
This section describes the operation of the watchdog timer and how to program it.

A.1.1

Watchdog Timer Overview

The watchdog timer is built into the super I/O controller W83627DHG-P. It provides
the following functions for user programming:

!

Can be enabled and disabled by user program.

!

Timer can be set from 1 to 255 seconds or 1 to 255 minutes.

!

Generates an interrupt or resets signal if the software fails to reset the timer
after time-out.

A.1.2

Reset/ Interrupt Selection

The JWDT1 jumper is used to trigger system reset signal or to change GPIO14 state
in the event the watchdog timer is tripped. See Chapter 1 for detailed jumper settings.

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Содержание PCA-6782

Страница 1: ...User Manual PCA 6782 Intel Atom Dual Core D525 Fanless N455 CPU ISA Half size SBC with VGA LVDS Single GbE SATA COM...

Страница 2: ...ithout 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 WKH PDQXIDFWXUHU Information provided in thi...

Страница 3: ...describe the problem Please have your manual product and any helpful information readily available 3 If your product is diagnosed as defective obtain an RMA return merchandise authorization number fro...

Страница 4: ...terial for inspection by the carrier After inspection we will make arrangements to repair or replace the unit 1 PCA 6782D N single board computer 1 CPU Cooler for Atom D525 CPU Only Available for D SK...

Страница 5: ...J NA SAMSUNG K4T51083QC ZCE6 64x8 2 GB DDR2 667 SODIMM DDR2 N TS5QSU27300 6M 96SD2 2G667NN TR Micron D9HNL 128x8 Apacer 512 MB DDR2 667 SODIMM DDR2 N 78 92G63 422 NA ELPIDA E5108AG 6E E 64x8 1 GB DDR2...

Страница 6: ...radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera tion of this device in a residential...

Страница 7: ...PCA 6782 User Manual viii...

Страница 8: ...oduction 12 2 2 IDE Connector IDE1 12 Figure 2 1 PCA 6782 IDE1 location 12 2 3 Floppy Drive Connector FDD1 13 Figure 2 2 PCA 6782 FDD1 location 13 2 4 Parallel Port LPT1 14 Figure 2 3 PCA 6782 LPT1 lo...

Страница 9: ...Pin Count Device Connection Pin Header 26 Chapter 3 AMI BIOS Setup 27 Figure 3 1 Setup Program Initial Screen 28 3 1 Entering Setup 29 3 2 Main Setup 29 Figure 3 2 Main Setup Screen 29 3 2 1 System ti...

Страница 10: ...ppendix A Programming the Watchdog Timer 57 A 1 Watchdog Timer 58 A 1 1 Watchdog Timer Overview 58 A 1 2 Reset Interrupt Selection 58 A 1 3 Programming the Watchdog Timer 59 Table A 1 Watchdog Timer R...

Страница 11: ...se open JCASE1 74 B 20 FDD connector FDD1 75 Table B 20 FDD connector FDD1 75 B 21 Parallel port connector LPT1 76 Table B 21 Parallel port connector LPT1 76 B 22 IDE connector IDE1 77 Table B 22 IDE...

Страница 12: ...Chapter 1 1 Hardware Configuration...

Страница 13: ...eature makes PCA 6782 is capable of handling complex and intense 2D 3D graphic processing without an add on graphic card its VGA and LVDS dual video outputs also makes it suitable for applications req...

Страница 14: ...onal P N PCA 20 Keyboard and PS 2 mouse connector One 6 pin mini DIN connector is located on the mounting bracket for easy connection to a keyboard or PS 2 mouse An on board keyboard pin header connec...

Страница 15: ...140 F Storage temperature 40 85 C 40 185 F Humidity 20 95 non condensing Demanded Power supply voltage 12 V 5 V 5 VSB Power consumption D SKU CPU Dual core Atom D525 CPU 1 8 GHz Memory 1 Piece of 2 GB...

Страница 16: ...nction IDE1 Primary IDE connector FDD1 Floppy drive connector LPT1 Parallel port VGA1 VGA connector LVDS1 LVDS Pin header COM1 Serial port COM1 RS232 9 pin D sub COM2 Serial port COM2 RS 232 14 pin 2...

Страница 17: ...User Manual 6 INV1 LCD inverter connector CF1 CF Socket ATXF1 ATX feature connector ATX1 ATX power connector 12V1 Negative power input connector LPC1 Low pin count connector Table 1 2 Connector descr...

Страница 18: ...7 PCA 6782 User Manual Chapter 1 Hardware Configuration 1 5 Board Layout Jumper and Connector Locations Figure 1 1 Board Layout...

Страница 19: ...experienced electronics personnel should open the PC chassis Caution Always ground yourself to remove any static charge before touching the single board computer Modern electronic devices are very sen...

Страница 20: ...ehavior 1 9 Memory Installation Procedures 1 See picture below to locate DIMMB1 200 pin SODIMM socket 2 A memory module and expansion socket are keyed The plastic bridge in the socket must align with...

Страница 21: ...ting holes around the CPU then attach the CPU cooler onto the CPU card by fastening the four screws one into each leg of the metal plate Fasten the first screw loosely then loosely engage the second s...

Страница 22: ...Chapter 2 2 Connecting Peripherals Jumper Settings...

Страница 23: ...2 1 PCA 6782 IDE1 location You can attach up to two IDE Integrated Drive Electronics drives to the PCA 6782 s built in controller The primary connector can accommodate two drives Wire number 1 on the...

Страница 24: ...ller You can use 3 5 720 KB or 1 44 MB drives The single board computer comes with a 34 pin daisy chain drive connector cable On one end of the cable is a 34 pin flat cable connector On the other end...

Страница 25: ...other mounted on a retaining bracket The bracket installs at the end of an empty slot in your chassis giving you access to the connector The parallel port is designated as LPT1 and can be disabled or...

Страница 26: ...VGA Connector VGA1 The PCA 6782 includes a VGA interface that can drive conventional CRT displays VGA1 is a standard 15 pin D SUB connector commonly used for VGA Pin assign ments for CRT connector VG...

Страница 27: ...later you can do this in the system BIOS setup Different devices implement the RS 232 standard in different ways If you are having problems with a serial device be sure to check the pin assignments fo...

Страница 28: ...the PS 2 mouse keyboard connector on the PCA 6782 s rear plate there is also an extra onboard external keyboard pin header This gives system inte grators greater design flexibility 2 9 CPU Fan Connec...

Страница 29: ...venience of a reset button Connect the wire for the reset button 2 10 3 Suspend LED JFP1 Pin 5 6 You can connect an LED to connector JFP1 Pin 5 6 to indicate when the system is in suspend status 2 10...

Страница 30: ...tains a watchdog timer that will reset the CPU in the event the CPU stops processing This feature means the PCA 6782 will recover from a soft ware failure or an EMI problem The JWDT1 jumper settings c...

Страница 31: ...82567V Gigabit LAN chips are linked to dedicated PCIe x1 lanes PCA 6782 provide high throughputs for heavy loading networking environ ment It provides one RJ 45 connectors in the rear side and is con...

Страница 32: ...hard drive cabling with long thin SATA cables 2 14 GPIO header GPIO1 Figure 2 13 GPIO header GPIO1 PCA 6782 provides a 10 pin header for Digital I O usage Refer to Appendix B for detailed information...

Страница 33: ...1 2 closed If you want to reset the CMOS data set CMOS1 to 2 3 closed for just a few seconds and then move the jumper back to 1 2 closed This procedure will reset the CMOS to its default setting Table...

Страница 34: ...ind ATX feature cable 1700002343 2 Connect the 3 pin plug of the cable to ATXF1 ATX feature connector And con nect another plug to backplane HCN1 connector 3 Connect the power on off button cable of t...

Страница 35: ...r ATX1 The PCA 6782 supports ATX power supply ATX1 supplies main power 5 V 12 V 5 VSB and it is a 6 x 2 power connector 2 20 System FAN connector SYSFAN1 The PCA 6782 is equipped with a 3 pin FAN conn...

Страница 36: ...nectors LVDS1 For PCA 6782 LVDS1 consists of a 20 pin connector which can support 18 bit single channel LVDS with resolution up to WXGA 1366 x 768 or 1280 x 800 2 22 USB Ports USB 1 8 PCA 6782 support...

Страница 37: ...Low Pin Count Device Connection Pin Header PCA 6782 has a 14 pin female pin header on its solder side to support 20 SRUW extension modules You may purchase them to add 4 more RS 485 serial SRUWV COM...

Страница 38: ...Chapter 3 3 AMI BIOS Setup...

Страница 39: ...and control the special features of your computer The BIOS Setup program uses a number of menus for making changes and turning special features on or off This chapter describes the basic navigation o...

Страница 40: ...Screen The Main BIOS setup screen has two main frames The left frame displays all the options that can be configured Grayed out options cannot be configured options in blue can The right frame display...

Страница 41: ...n the left frame of the screen such as CPU Configuration to go to the sub menu for that item You can display an Advanced BIOS Setup option by highlighting it using the Arrow keys All Advanced BIOS Set...

Страница 42: ...lect Enabled to enable Hyper Threading Technology in an OS which supports Hyper Thread ing Technology or select Disabled for other OSs which do not support Hyper Threading technology Intel SpeedStepTM...

Страница 43: ...ence of SATA devices This displays the status of SATA device auto detection IDE Master Slave While entering setup the BIOS automatically detects the presence of IDE devices This displays the status of...

Страница 44: ...cted to CPU card available options are 360 KB 5 1 4 1 2 MB 5 1 4 720 KB 3 1 2 1 44 MB 3 1 2 2 88 MB 3 1 2 Serial Port1 Address This option configures serial port 1 base addresses Serial Port2 Address...

Страница 45: ...tion from hardware monitor controller Chassis Intrusion Enable Disable the Chassis Intrusion monitoring function When the case is opened the buzzer beeps CPU warning temperature Use this to set the CP...

Страница 46: ...t APM Enable or disable APM power management function Restore on AC Power Loss This option allows user to set system action when AC power restores after AC power loss Available options include Power O...

Страница 47: ...PCA 6782 User Manual 36 3 4 Event Logging Details Figure 3 9 Event Logging Details View Event Log 3 5 USB Configuration Figure 3 10 USB Configuration...

Страница 48: ...Plug and Play oper ating system support The Optimal and Fail Safe default setting is No PCI Latency Timer Use this to adjust the PCI Latency Timer This option sets the latency of all PCI devices on th...

Страница 49: ...ions are available Quick Boot Allows the BIOS to skip certain tests while booting This will decrease the time needed to boot the system Quiet Boot If this option is set to Disabled the BIOS displays n...

Страница 50: ...OS 3 8 Security Setup Figure 3 13 Password Configuration Select Security Setup from the PCA 6782 Setup main BIOS setup menu All Security Setup options such as password protection and virus protection...

Страница 51: ...Allows user to set graphic and memory controller configurations South Bridge Configuration Allows user to set I O port configurations Spread Spectrum Enable Disable spread spectrum Enable spread spec...

Страница 52: ...guration This allows user to set IGD Integrated Graphics Device configuration DVMT model select Displays the active system memory mode DVMT FIXED Memory Specify the amount of DVMT FIXED system memory...

Страница 53: ...unction of LAN booting from a PXE server LAN1 Wake Up From S5 Enables or disables LAN1 Wake Up From S5 function HDA Controller Enables or disables the High Definition audio controller SMBUS Controller...

Страница 54: ...from the Exit menu and press Enter The fol lowing message appears Save Configuration Changes and Exit Now Ok Cancel 2 Select Ok or Cancel 3 10 2 Discard Changes and Exit Select this option to quit Se...

Страница 55: ...uration problems Select Load Optimal Defaults from the Exit menu and press Enter 3 10 5 Load Failsafe Defaults The PCA 6782 automatically configures all setup options to failsafe settings when you sel...

Страница 56: ...Chapter 4 4 Value Added Software Services...

Страница 57: ...s embedded platforms easier and simpler to adopt and RSHUDWH with customer applications 4 1 1 Software API 4 1 1 1 Control 4 1 1 2 Display GPIO General Purpose Input Output is a flexible parallel inte...

Страница 58: ...fter a certain number of seconds Hardware Monitor The Hardware Monitor HWM API is a system health super vision API that inspects certain condition indexes such as fan speed temperature and voltage CPU...

Страница 59: ...toring Monitoring is a utility for customer to monitor the system health like voltage CPU and system temperature and fan speed These items are important to a device if the critical errors happen and a...

Страница 60: ...Chapter 5 5 Chipset Software Installation Utility...

Страница 61: ...mmands Review the relevant operating system commands and the pertinent sections of your application software s user manual before performing the installa tion 5 2 Introduction The Intel Chipset Softwa...

Страница 62: ...7 XP Driver Setup 1 Insert the driver CD into your system s CD ROM drive You can see the driver folder items Navigate to the DRV_INF folder and click infinst_autol exe to complete the installation of...

Страница 63: ...PCA 6782 User Manual 52...

Страница 64: ...Chapter 6 6 Integrated Graphic Device Setup...

Страница 65: ...er CD into your system s CD ROM drive You can see the driver folders items Navigate to the DRV_VGA folder and click setup exe to complete the instal lation of the driver Note Before installing this dr...

Страница 66: ...Chapter 7 7 LAN Configuration...

Страница 67: ...tems However the installation procedure varies from system to system Please find and use the section that provides the driver setup procedure for the operating system you are using 7 3 Windows 7 XP Dr...

Страница 68: ...Appendix A A Programming the Watchdog Timer...

Страница 69: ...watchdog timer is built into the super I O controller W83627DHG P It provides the following functions for user programming Can be enabled and disabled by user program Timer can be set from 1 to 255 s...

Страница 70: ...E hex is the address port 2F hex is the data port You must first assign the address of the register by writing an address value into address port 2E hex then write read data to from the assigned regis...

Страница 71: ...to bit 3 set minute as counting unit F6 hex write 0 stop timer default 01 FF hex The amount of the count in seconds or minutes depends on the value set in register F5 hex This number decides how long...

Страница 72: ...Out dx al Dec dx Enable the function of watchdog timer Mov al 30h Out dx al Inc dx Mov al 01h Out dx al Dec dx Set second as counting unit Mov al 0f5h Out dx al Inc dx In al dx And al not 08h Out dx a...

Страница 73: ...as counting unit Mov al 0f5h Out dx al Inc dx In al dx Or al 08h Out dx al Dec dx Set timeout interval as 5 minutes and start counting Mov al 0f6h Out dx al Inc dx Mov al 5 Out dx al Dec dx lock W836...

Страница 74: ...t dx al Dec dx lock W83627DHG P Mov al 0aah Out dx al 4 Enable watchdog timer to be reset by keyboard Mov dx 2eh unlock W83627DHG P Mov al 87h Out dx al Out dx al Mov al 07h Select registers of watchd...

Страница 75: ...t dx al Out dx al Mov al 07h Select registers of watchdog timer Out dx al Inc dx Mov al 08h Out dx al Dec dx Enable the function of watchdog timer Mov al 30h Out dx al Inc dx Mov al 01h Out dx al Dec...

Страница 76: ...Appendix B B I O Pin Assignments...

Страница 77: ...Connectors JFP1 Pin Signal Pin Signal 1 VCC3 2 HDD LED 3 VCC3 4 Power LED 5 5 VSB 6 Suspend LED 7 System Reset Button 8 GND 9 ATX Power Button 10 GND 2 4 3 6 8 10 5 7 9 1 Table B 2 USB Ports USB12 USB...

Страница 78: ...ments B 3 IR Connector JIR1 B 4 Serial port COM1 Table B 3 IR Connector JIR1 Pin Signal 1 VCC 2 NC 3 IR_RX 4 GND 5 IR_TX 1 5 2 3 4 Table B 4 Serial port COM1 Pin Signal Pin Signal 1 DCD 2 SIN 3 SOUT 4...

Страница 79: ...ble B 5 Serial port COM2 Pin Signal Pin Signal 1 DCD 2 DSR 3 SIN 4 RTS 5 SOUT 6 CTS 7 DTR 8 RI 9 GND 10 GND 11 NC 12 NC 13 NC 14 NC Table B 6 PS 2 keyboard and mouse connector KBMS1 Pin Signal Pin Sig...

Страница 80: ...connector KBMS2 B 8 ATX Feature connector ATXF1 Table B 7 External keyboard and mouse connector KBMS2 Pin Signal 1 PS2 keyboard clock 2 PS2 keyboard data 3 PS2 mouse data 4 GND 5 VCC 6 PS2 mouse clock...

Страница 81: ...N connector CPUFAN1 Pin Signal 1 GND 2 12V 3 FAN_TACH 3 2 1 Table B 10 System FAN connector SYSFAN1 Pin Signal 1 GND 2 12V 3 FAN_TACH 3 2 1 Table B 11 Audio Interface Connector HDAUD1 Pin Signal Pin S...

Страница 82: ...Pin Signal 1 GPIO1 2 GPIO5 3 GPIO2 4 GPIO6 5 GPIO3 6 GPIO7 7 GPIO4 8 GPIO8 9 VCC 10 GND 2 4 3 6 8 10 5 7 9 1 Table B 13 LVDS Connector LVDS1 Pin Signal Pin Signal 1 GND 2 GND 3 NC 4 LVDS0_D0 5 NC 6 L...

Страница 83: ...gnal 1 12V 2 GND 3 Back light enable signal output 4 Back light VBR signal output 5 VCC 1 2 4 3 5 Table B 15 Low Pin Count Header LPC1 Pin Signal Pin Signal 1 LPC_HEADER 2 LPC_LAD1 3 LPC_RST 4 LPC_LAD...

Страница 84: ...onnector VGA1 Table B 16 ATX Power Control Connector ATX1 Pin Signal Pin Signal 1 5V 2 GND 3 GND 4 12V 5 NC 6 GND 7 5V Table B 17 VGA Connector VGA1 Pin Signal Pin Signal 1 VGA_R 2 VGA_G 3 VGA_B 4 NC...

Страница 85: ...l 74 B 18 Negative power input connector 12V1 B 19 Case open JCASE1 Table B 18 Negative power input connector 12V1 Pin Signal Pin Signal 1 5V 2 GND 3 12V Table B 19 Case open JCASE1 Pin Signal Pin Sig...

Страница 86: ...e B 20 FDD connector FDD1 Pin Signal Pin Signal 1 GND 2 DRVEN0 3 GND 4 NC 5 NC 6 NC 7 GND 8 INDEX 9 GND 10 MOA 11 GND 12 NC 13 GND 14 DSA 15 GND 16 NC 17 GND 18 DIR 19 GND 20 STEP 21 GND 22 WD 23 GND...

Страница 87: ...connector LPT1 Table B 21 Parallel port connector LPT1 Pin Signal Pin Signal 1 STB 2 AFD 3 D0 4 ERR 5 D1 6 INIT 7 D2 8 SLIN 9 D3 10 GND 11 D4 12 GND 13 D5 14 GND 15 D6 16 GND 17 D7 18 GND 19 ACK 20 GN...

Страница 88: ...1 Pin Signal Pin Sign al 1 IDE RESET 2 GND 3 D7 4 D8 5 D6 6 D9 7 D5 8 D10 9 D4 10 D11 11 D3 12 D12 13 D2 14 D13 15 D1 16 D14 17 D0 18 D15 19 GND 20 NC 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 READ...

Страница 89: ...24 HW Monitor Alarm JOBS1 Table B 23 Serial ATA SATA1 SATA2 SATA3 Pin Signal Pin Signal 1 GND 2 SATA TX 3 SATA TX 4 GND 5 SATA RX 6 SATA RX 7 GND Table B 24 Serial ATA SATA1 SATA2 SATA3 Setting Funct...

Страница 90: ...ction JWDT1 Table B 25 LVDS VBR selection JVBR1 Ping Function 1 2 default Linear way to control brightness 2 3 PWM to control brightness 1 2 3 1 2 3 Table B 26 LVDS panel power selection JLVDS1 Ping F...

Страница 91: ...t Controller 2E 2F LPC SIO 30h 3Dh Interrupt Controller 40h 42h Timer Counter 43h RESERVED 4E 4F LPC SIO 50h 52h Timer Counter 53h RESERVED 60h Microcontroller 61h NMI Controller 62h 66h Microcontroll...

Страница 92: ...Available 6 Available 7 Available Table B 31 Interrupt assignments Priority Interrupt Interrupt source 1 NMI Parity error detected 2 IRQ0 Interval timer 3 IRQ1 Keyboard IRQ2 Interrupt from controller...

Страница 93: ...2 User Manual 82 B 32 1st MB Memory Map Table B 32 1st MB memory map Addr range Hex Device E0000h FFFFFh BIOS CC000h DFFFFh Unused C0000h CDFFFh VGA BIOS A0000h BFFFFh Video Memory 00000h 9FFFFh Base...

Страница 94: ...Appendix C C Programming the GPIO...

Страница 95: ...09 to modify GPIO settings CRF0 GP10 GP17 I O selection register Default 0xFF When set to 1 the respective GPIO port is programmed as an input port When set to 0 the respective GPIO port is programmed...

Страница 96: ...V DX 2Eh MOV AL 07h point to Logical Device Number Reg OUT DX AL MOV DX 2Fh MOV AL 07h select logical device 7 OUT DX AL MOV DX 2Eh MOV AL F0h OUT DX AL MOV DX 2Fh MOV AL 00h 01 Input 00 output for GP...

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