AXIOMTEK EP820 Series User Manual
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AXIOMTEK EP820 Series User Manual

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EP820 Series
®
®
Intel
All-In-One
Pentium
M
EPIC SBC
With DualView Display and SATA
User's Manual

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Summary of Contents for AXIOMTEK EP820 Series

  • Page 1 EP820 Series ® ® Intel All-In-One Pentium EPIC SBC With DualView Display and SATA User’s Manual...
  • Page 2 AXIOMTEK does not warrant or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information in this document. AXIOMTEK does not make any commitment to update the information in this manual.

  • Page 3: Esd Precautions

    Wear a wrist-grounding strap, available from most electronic component stores, when handling boards and components. Trademarks Acknowledgments AXIOMTEK is a trademark of AXIOMTEK Co., Ltd. Windows® is a trademark of Microsoft Corporation. Phoenix & AWARD are trademarks of Phoenix Technology Ltd.

  • Page 4: Table Of Contents

    Table of Contents Disclaimers ......................ii ESD Precautions ....................iii Chapter 1 Introduction ..............1 Specifications ..................2 Utilities Supported ................... 4 Chapter 2 Jumpers and Connectors ..........5 Board Dimensions ................... 5 Board Layout and Fixing Holes ............... 7 Jumper Settings ..................
  • Page 5 Chapter 4 Award BIOS Utility ............35 Entering Setup..................35 Control Keys ..................36 Getting Help ..................36 The Main Menu ..................37 Standard CMOS Setup Menu..............38 Advanced BIOS Features..............41 Advanced Chipset Features ..............46 Integrated Peripherals ................49 Power Management Setup..............
  • Page 6 MEMO...

  • Page 7: Chapter 1 Introduction

    EP820 Series allows your system to endure the continuous operation in hostile environments where require most stability and reliability. The system dependability of EP820 series is highly enhanced by a special industrial feature of the built-in Watchdog Timer, which makes the board outstanding among others.

  • Page 8: Specifications

    EP820 All-In-One EPIC Board User’s Manual ® Designed for the professional embedded developers, the Pentium embedded board EP820 Series is virtually the ultimate one-step solution for embedded system applications. Specifications ® ® ® CPU: Socket 478 for Intel Pentium M/ Celeron processors ®...
  • Page 9 EP820 All-In-One EPIC Board User’s Manual Power is 5V (Optional) or 3.3V (Defaulted) Onboard Multi-I/O One floppy (Optional) port supporting up to two devices One SPP/EPP/ECP parallel port with 26-pin 2.0 pitch box- header that supports LS-120 Two 16550 UART-compatible serial ports with +5V/+12V power output in Pin 1 or Pin 9 via DIP jumper setting 1 x RS-232 1 x RS-232/422/485 and selectable via jumper setting and...

  • Page 10: Utilities Supported

    EP820 All-In-One EPIC Board User’s Manual ® 1st via 32-bit PCI with co-layout Intel 82551 QM 10/100M(Defaulted) or 82541PI 1000M (Optional) for Fast Ethernet (Support for Boot ROM) ® 2nd via PHY or PCI-E with co-layout Intel 82562 GZ 10/100M(Defaulted) for Fast Ethernet (No support for Boot ROM) Equipped with RJ-45 interface Audio...

  • Page 11: Chapter 2 Jumpers And Connectors

    EP820 All-In-One EPIC Board User’s Manual C h a p t e r 2 Jumpers and Connectors Board Dimensions Component Side Jumpers and Connectors...
  • Page 12 EP820 All-In-One EPIC Board User’s Manual Solder Side Jumpers and Connectors...

  • Page 13: Board Layout And Fixing Holes

    EP820 All-In-One EPIC Board User’s Manual Board Layout and Fixing Holes Component Side Jumpers and Connectors...
  • Page 14 EP820 All-In-One EPIC Board User’s Manual Solder Side Jumpers and Connectors...

  • Page 15: Jumper Settings

    EP820 All-In-One EPIC Board User’s Manual Jumper Settings Proper jumer settings configure the EP820 to meet your application purpose. We are herewith listing a summary table of all jumpers and default settings for onboard devices, respectively. Here is a list of jumper settings Jumper Default Setting Jumper Setting...

  • Page 16: Cpu Type Select Jumper: Jp1

    EP820 All-In-One EPIC Board User’s Manual 2.3.1 CPU Type Select Jumper: JP1 Use this jumper to select the CPU type. Description Function Jumper Setting CPU Type Select Dothan A (Default) Dothan B/ Yonah 2.3.2 LVDS1 Voltage Selection Jumper: JP2 This jumper is to select the voltage for LVDS1 interface. Description Function Jumper Setting...

  • Page 17: Lvds2 Voltage Selection Jumper: Jp3

    EP820 All-In-One EPIC Board User’s Manual 2.3.3 LVDS2 Voltage Selection Jumper: JP3 This jumper is to select the voltage for LVDS2 interface. Description Function Jumper Setting LVDS2 Voltage 3.3V (Default) Select 2.3.4 CPU Analog Voltage Select Jumper: JP4 Use this jumper to select the CPU analog voltage. Description Function Jumper Setting...

  • Page 18: Com1 Mode Select For Rs-232/422/485 Jumpers

    EP820 All-In-One EPIC Board User’s Manual 2.3.5 COM1 Mode Select for RS-232/422/485 Jumpers: JP5, JP8, JP11 These jumpers select the COM1 port’s communication mode to operate RS-232 or RS-422/485. Description Function Jumper Setting COM1 RS-232 JP11 (Default) RS-422 JP11 RS-485 JP11 2.3.6 CompactFlash Power Selection Jumper: JP6 This jumper is to select the voltage for CompactFlash interface.

  • Page 19: Com1~2 Mode Selection Jumpers: Jp10, Jp7

    EP820 All-In-One EPIC Board User’s Manual 2.3.7 COM1~2 Mode Selection Jumpers: JP10, JP7 These jumpers select the COM1 and COM2 ports’ DCD and RI mode. Description Function Jumper Setting COM1 (JP10) *Pin 1=DCD JP10 (Default) *Pin 1=5V JP10 *Pin 9=RI JP10 (Default) *Pin 9=+12V...

  • Page 20: Compactflash Selection Jumper: Jp9

    EP820 All-In-One EPIC Board User’s Manual 2.3.8 CompactFlash Selection Jumper: JP9 Use this jumper to set Master/Slave CompactFlash interface. Description Function Jumper Setting CompactFlash Slave (Default) Selection Master 2.3.9 CPU Clock Select Jumper: JP12 This jumper helps you set the CPU colck. Description Function Jumper Setting...

  • Page 21: Cmos Clear Jumper: Jp13

    EP820 All-In-One EPIC Board User’s Manual 2.3.10 CMOS Clear Jumper: JP13 You may need to use this jumper is to clear the CMOS memory if incorrect settings in the Setup Utility. Description Function Jumper Setting CMOS Clear Normal (Default) JP13 Clear CMOS JP13 2.3.11 Audio Output Selection Jumper: JP14...

  • Page 22: Connectors

    EP820 All-In-One EPIC Board User’s Manual Connectors Connectors connect the CPU card with other parts of the system. Loose or improper connection might cause problems. Make sure all connectors are properly and firmly connected. Here is a summary table shows you all connectors on the EP820 Series.

  • Page 23: Atx Power Connector: Cn1

    EP820 All-In-One EPIC Board User’s Manual 2.4.1 ATX Power Connector: CN1 Steady and sufficient power can be supplied to all components on the board through the power connector. Please make sure all components and devices are properly installed before connecting the power connector.

  • Page 24: Compactflash™ Socket: Cn24

    EP820 All-In-One EPIC Board User’s Manual ™ 2.4.4 CompactFlash Socket: CN24 The board is equipped with a CompactFlashTM disk type-II socket on the solder side to support an IDE interface CompactFlashTM disk card with DMA mode supported. The socket is especially designed to avoid incorrect installation of the CompactFlashTM disk card.

  • Page 25: Digital I/O Port (Dio) Connector: Cn10

    EP820 All-In-One EPIC Board User’s Manual CNS2 2.4.5 Digital I/O Port (DIO) Connector: CN10 The board is equipped an 8-channel digital I/O connector CN10 that meets requirements for a system customary automation control. The digital I/O can be configured to control cash drawers, sense warning signals from an Uninterrupted Power System (UPS), or perform store security control.

  • Page 26: Floppy Disk Controller (Optional): Cn18

    Pin 14 as +. 2.4.7 Floppy Disk Controller (Optional): CN18 The EP820 Series provides a 26-pin FCC Z.I.F. type connector CN18 for support of floppy drives. The supported types of FDD drives are 3.5" 720KB or 1.44MB/2.88MB. Please refer to next page for the pin assignment table.

  • Page 27: Ethernet Rj-45 Connector: Cn15, Cn16

    EP820 All-In-One EPIC Board User’s Manual CN18: FDD Connector Pin Assignment Description Description STEP INDEX WDATA DRIVE0 WGATE DSKCHG No connector TRK0 READY HDOUT MOTOR ON No connector RDATA HDSEL SIDE0 2.4.8 Ethernet RJ-45 Connector: CN15, CN16 The board is equipped with a RJ-45 Ethernet connector. To connect the board to a 10-Base-T or 100-Base-T hub, just plug one end of the cable into the CN15 and CN16 connectors, and connect the other end (phone jack) to a 10-Base-T hub or 100-Base-T or 1000-Base-T hub.

  • Page 28: Vga/Flat Panel Connectors: Cn22, Cn5, Cn6, Cn7, Cn8

    EP820 All-In-One EPIC Board User’s Manual 2.4.9 VGA/Flat Panel Connectors: CN22, CN5, CN6, CN7, CN8 The board has one 15-pin D-Sub connector CN22 to support CRT/VGA display. CN5 and CN7 are JST SHDR-40V-S-B 40-pin connectors for LVDS Interface LCD, and CN6 and CN8 DF13-7S-1.25C 7 pin inverter connectors for LCD that supports the system LCD backlight control with OS and driver independent.
  • Page 29 EP820 All-In-One EPIC Board User’s Manual CN5: JSTConnector for LVDS Flat Panel Description Description VCCM VCCM VCCM VCCM VCCM VCCM N.C. N.C. N.C. Channel B D0- N.C. Channel B D0+ Channel B CLK- Channel B D1- Channel B CLK+ Channel B D1+ Channel A D0- Channel B D2- Channel A D0+...

  • Page 30: Parallel Port Or Floppy Connector: Cn13

    EP820 All-In-One EPIC Board User’s Manual CN7: JSTConnector for LVDS Flat Panel Description Description VCCM VCCM VCCM VCCM VCCM VCCM N.C. N.C. Channel B D3- Channel B D0- Channel B D3+ Channel B D0+ Channel B CLK- Channel B D1- Channel B CLK+ Channel B D1+ Channel A D0-...
  • Page 31 EP820 All-In-One EPIC Board User’s Manual High speed mode: Microsoft and Hewlett Packard extended capabilities port (ECP) IEEE 1284 compliant The address selection of the onboard parallel port, LPT1 (378H) or disabled, can be configured within the BIOS CMOS setup utility. Description Description Auto Form Feed#...

  • Page 32: Pci 104 Connector: Cn3

    EP820 All-In-One EPIC Board User’s Manual 2.4.11 PCI 104 Connector: CN3 CN3: PCI104 Plus connector Pin# Pin Name Pin# Pin Name Pin# Pin Name Pin# Pin Name Reserved C/BE0# AD11 AD10 M66EN AD14 AD13 AD12 +3.3V C/BE1# AD15 +3.3V SERR# SB0# A10 GND B10 PERR#...

  • Page 33: Ide Interface Connectors: Cn9, Cn23

    EP820 All-In-One EPIC Board User’s Manual 2.4.12 IDE Interface Connectors: CN9, CN23 The built-in 2 channels of IDE (1 parallel ATA-100 and 1 serial ATA- 150) support up to 3 IDE devices. CN9 is a 44-pin IDE interface connector for standard 2.5” IDE device. CN23 and is the serial ATA- 150 IDE interfaces currently support the hard disk drives.

  • Page 34: Serial Port Interface Connectors: Cn21 (Com1), Cn14 (Com2)

    EP820 All-In-One EPIC Board User’s Manual CN23: 7-pin SATA connector Description 2.4.13 Serial Port Interface Connectors: CN21 (COM1), CN14 (COM2) The board has two onboard serial ports COM1 RS-232/422/485 and COM2 RS-232 that can be jumper selectable with auto flow control features.

  • Page 35: Usb Connectors: Cn17, Cn19

    EP820 All-In-One EPIC Board User’s Manual COM2 Port Connector Pin Assignments: CN14 Description Description Data Carrier Detect Data Set Ready (DCD) (DSR) CN14 Request to Send Receive Data (RXD) (RTS) Transmit Data (TXD) Clear to Send (CTS) Data Terminal Ready Ring Indicator (RI) (DTR) Ground (GND)

  • Page 36: Keyboard And Ps/2 Mouse Connector: Cn20

    EP820 All-In-One EPIC Board User’s Manual CN17 Description 1, 5 USB Vcc 2, 6 USB - 3, 7 USB + 4, 8 USB GND 2.4.15 Keyboard and PS/2 Mouse Connector: CN20 The board provides a keyboard and Mouse interface. CN20 is a DIM connector for PS/2 keyboard Connection VIA “Y”...

  • Page 37: Chapter 3 Hardware Description

    CPU from damages. BIOS The EP820 Series uses Award Plug and Play BIOS with a single 4Mbit Flash EPROM. System Memory The EP820 Series industrial CPU card supports one 200-pin DDR2 SODIMM socket for a maximum memory of 1GB DDR SDRAMs.

  • Page 38: I/O Port Address Map

    EP820 All-In-One EPIC Board User’s Manual I/O Port Address Map ® ® ® The Intel Pentium M/Celeron M CPUs can communicate via I/O ports. There are total 1KB port addresses available for assignment to other devices via I/O expansion cards. Address Devices 000-01F...

  • Page 39: Interrupt Controller

    EP820 All-In-One EPIC Board User’s Manual Interrupt Controller The EP820 Series is a 100% PC compatible control board. It consists of 24 interrupt request lines. Four out of sixteen nterrupt request lines are programmable. The mapping list of these 16 interrupt request lines is shown as the following table.
  • Page 40 EP820 All-In-One EPIC Board User’s Manual MEMO Hardware Description...

  • Page 41: Chapter 4 Award Bios Utility

    EP820 All-In-One EPIC Board User’s Manual C h a p t e r 4 Award BIOS Utility The Phoenix-Award BIOS provides users with a built-in Setup program to modify basic system configuration. All configured parameters are stored in a battery-backed-up RAM (CMOS RAM) to save the Setup information whenever the power is turned off.

  • Page 42: Control Keys

    EP820 All-In-One EPIC Board User’s Manual Control Keys Move cursor to the previous item Up arrow Move cursor to the next item Down arrow Move cursor to the item on the left hand Left arrow Move to the item in the right hand Right arrow Main Menu -- Quit and delete changes into CMOS Status Page Setup Menu and Option Page Setup...

  • Page 43: The Main Menu

    EP820 All-In-One EPIC Board User’s Manual The Main Menu Once you enter the Award BIOS CMOS Setup Utility, the Main Menu appears on the screen. In the Main Menu, there are several Setup functions and a couple of Exit options for your selection. Use arrow keys to select the Setup Page you intend to configure then press <Enter>...

  • Page 44: Standard Cmos Setup Menu

    EP820 All-In-One EPIC Board User’s Manual Standard CMOS Setup Menu The Standard CMOS Setup Menu displays basic information about your system. Use arrow keys to highlight each item, and use <PgUp> or <PgDn> key to select the value you want in each item. Date The date format is <day>, <date>...
  • Page 45 EP820 All-In-One EPIC Board User’s Manual IDE Primary Master/IDE Primary Slave/IDE Secondary Master/IDE Secondary Slave These items identify the types of each IDE channel installed in the computer. There are 45 predefined types (Type 1 to Type 45) and 2 user’s definable types (Type User) for Enhanced IDE BIOS. Press <PgUp>/<+>...
  • Page 46 EP820 All-In-One EPIC Board User’s Manual Halt On This item determines whether the system will halt or not, if an error is detected while powering up. The system booting will halt on any errors detected. No errors (default) Whenever BIOS detects a non-fatal error, the All errors system will stop and you will be prompted.

  • Page 47: Advanced Bios Features

    EP820 All-In-One EPIC Board User’s Manual Advanced BIOS Features This section allows you to configure and improve your system, to set up some system features according to your preference. Award BIOS Utility...
  • Page 48 EP820 All-In-One EPIC Board User’s Manual Hard Disk Boot Priority Scroll to this item and press <Enter> to view the sub menu to decide the disk boot priority. Press <Esc> to return to the Advanced BIOS Features page. Virus Warning This option flashes on the screen.
  • Page 49 EP820 All-In-One EPIC Board User’s Manual It automatically activates while the system boots up and a warning message appears Enabled for an attempt to access the boot sector or hard disk partition table. No warning message will appear for Disabled attempts to access the boot sector or hard disk partition table.
  • Page 50 EP820 All-In-One EPIC Board User’s Manual default setting is “Disabled”. Boot Up Floppy Seek During POST, BIOS will determine the floppy disk drive type, 40 or 80 tracks. The 360Kb type is 40 tracks while 720Kb, 1.2MB and 1.44MB are all 80 tracks. The default value is “Enabled”. BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks.
  • Page 51 EP820 All-In-One EPIC Board User’s Manual 15 characters per second 20 characters per second 24 characters per second 30 characters per second Typematic Delay (Msec) This option defines how many milliseconds must elapse before a held-down key begins generating repeat characters. The default value is “250”.

  • Page 52: Advanced Chipset Features

    EP820 All-In-One EPIC Board User’s Manual Advanced Chipset Features This section contains completely optimized chipset’s features on the board that you are strongly recommended to leave all items on this page at their default values unless you are very familiar with the technical specifications of your system hardware.
  • Page 53 EP820 All-In-One EPIC Board User’s Manual DRAM RAS# Precharge The precharge time is the number of cycles it takes for the RAS to accumulate its charge before DRAM refresh. If insufficient time is allowed, refresh may be incomplete and the DRAM may fail to retain data.
  • Page 54 EP820 All-In-One EPIC Board User’s Manual first primary display card. *** VGA Setting *** Onchip VGA Use this item to choose the primary display card. On-Chip Frame Buffer Size Use this item to set the VGA frame buffer size. Boot Display This item is for Intel define ADD card only.

  • Page 55: Integrated Peripherals

    EP820 All-In-One EPIC Board User’s Manual Integrated Peripherals This section allows you to configure your SuperIO Device, IDE Function and Onboard Device. OnChip IDE Device Scroll to this item and press <Enter> to view the sub menu OnChip IDE Device. Award BIOS Utility...
  • Page 56 EP820 All-In-One EPIC Board User’s Manual IDE DMA transfer access Automatic data transfer between system memory and IDE device with minimum CPU intervention. This improves data throughput and frees CPU to perform other tasks. On-Chip Primary/Secondary PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels.
  • Page 57 EP820 All-In-One EPIC Board User’s Manual Press <Esc> to return to the Integrated Peripherals page. Onboard Device Scroll to this item and press <Enter> to view the sub menu Onboard Device. USB Controller Enable this item if you are using the USB in the system. You should disable this item if a higher-level controller is added.
  • Page 58 EP820 All-In-One EPIC Board User’s Manual Super IO Device Scroll to this item and press <Enter> to view the sub menu Super IO Device. Onboard FDC Controller Select Enabled, if your system has a floppy disk controller (FDC) installed on the system board and you want to use it. If you install and-in FDC or the system has no floppy drive, select Disabled in this field.
  • Page 59 EP820 All-In-One EPIC Board User’s Manual When the IR transmission is enabled, you can set up speeds of reception (RxD) and transmission (TxD). IR Transmission Delay Enable or disable this item to decide if the IR transmission delay function will be set or not while transferring to the reception mode.

  • Page 60: Power Management Setup

    EP820 All-In-One EPIC Board User’s Manual Press <Esc> to return to the Main Menu page. Power Management Setup The Power Management Setup allows you to save energy of your system effectively. It will shut down the hard disk and turn OFF video display after a period of inactivity.
  • Page 61 EP820 All-In-One EPIC Board User’s Manual This item specifies the power saving modes for ACPI function. If your operating system supports ACPI, such as Windows 98SE, Windows ME and Windows 2000, you can choose to enter the Standby mode in S1 (POS) or S3 (STR) fashion through the setting of this field.
  • Page 62 EP820 All-In-One EPIC Board User’s Manual Video Off Method This setting determines the manner in which the monitor is blanked. It turns OFF vertical and horizontal synchronization ports SYNC+Blank and writes blanks to the video buffer. Select this option if your monitor supports the Display Power Management Signaling (DPMS) standard of the DPMS Video Electronics Standards Association (VESA).
  • Page 63 EP820 All-In-One EPIC Board User’s Manual It defines continuous idle time before the system 1/2/4/6/8/10/2 entering the SUSPEND mode. 0/30/40 If any item defined in (J) is enabled and active, the Min/1 Hr SUSPEND timer will be reloaded. HDD Power Down If HDD activity is not detected for a specified length of time in this field, the hard disk drive will be powered down while other devices remain active.
  • Page 64 EP820 All-In-One EPIC Board User’s Manual USB KB Wake-Up From S3 When this item is set Auto, the system will run VGA BIOS if it is reaumed from the S3 state. Resume by Alarm If enable this item, the system can automatically resume after a fixed time in accordance with the system’s RTC (realtime clock).

  • Page 65: Pnp/Pci Configuration Setup

    EP820 All-In-One EPIC Board User’s Manual 4.10 PnP/PCI Configuration Setup This section describes the configuration of PCI (Personal Computer Interconnect) bus system, which allows I/O devices to operate at speeds close to the CPU speed while communicating with other important components. This section covers very technical items that only experienced users could change default settings.

  • Page 66: Pc Health Status

    EP820 All-In-One EPIC Board User’s Manual whether designed for PCI or ISA bus architecture. The default value is “PCI/ISA PnP”. PCI/VGA Palette Snoop Some non-standard VGA display cards may not show colors properly. This item allows you to set whether MPEG ISA/VESA VGA Cards can work with PCI/VGA or not.
  • Page 67 EP820 All-In-One EPIC Board User’s Manual Current GMCH Temperature The current GMCH temperature will be automatically detected by the system. Current CPU Temperature The current system CPU temperature will be automatically detected by the system. Current SYSTEM Temperature Show you the current system temperature. Current CPU FAN1 Speed These optional and read-only items show current speeds in RPM (Revolution Per Minute) for the CPU fan and chassis fan as...

  • Page 68: Frequency/Voltage Control

    EP820 All-In-One EPIC Board User’s Manual 4.12 Frequency/Voltage Control This section is to control the CPU frequency and Supply Voltage, DIMM OverVoltage and AGP voltage. Auto Detect PCI Clk The enabled item can automatically disable the clock source for a PCI slot without a module, to reduce EMI (ElectroMagnetic Interference).

  • Page 69: Load Fail-Safe Defaults

    EP820 All-In-One EPIC Board User’s Manual 4.13 Load Fail-Safe Defaults When you press <Enter> on this item, a confirmation dialog box pops out to show you such a message: Please press “Y” to load default values that will be factory settings for accomplishing the optimal performance of system operations.

  • Page 70: Load Optimized Defaults

    EP820 All-In-One EPIC Board User’s Manual 4.14 Load Optimized Defaults This option allows you to load your system configuration with default values. These default settings are optimized to enable high performance features. To load CMOS SRAM with SETUP default values, please enter “Y”. If not, please enter “N”.

  • Page 71: Set Supervisor/User Password

    EP820 All-In-One EPIC Board User’s Manual 4.15 Set Supervisor/User Password You can set a supervisor or user password, or both of them. The differences between them are: Supervisor password: You can enter and change the options on the setup menu. User password: You can just enter, but have no right to change the options on the setup menu.

  • Page 72: Save & Exit Setup

    EP820 All-In-One EPIC Board User’s Manual 4.16 Save & Exit Setup This section allows you to determine whether or not to accept your modifications. Type “Y” to quit the setup utility and save all changes into the CMOS memory. Type “N” to bring you back to the Setup utility. Award BIOS Utility...

  • Page 73: Exit Without Saving

    EP820 All-In-One EPIC Board User’s Manual 4.17 Exit Without Saving Select this option to exit the Setup utility without saving changes you have made in this session. Type “Y”, and it will quit the Setup utility without saving your modifications. Type “N” to return to the Setup utility. Award BIOS Utility...
  • Page 74 EP820 All-In-One EPIC Board User’s Manual MEMO Award BIOS Utility...

  • Page 75: Appendix A Watchdog Timer

    EP820 All-In-One EPIC Board User’s Manual A p p e n d i x A Watchdog Timer Watchdog Timer Setting After the system stops working for a while, it can be auto-reset by the Watchdog Timer. The integrated Watchdog Timer can be set up in the system reset mode by program.
  • Page 76 EP820 All-In-One EPIC Board User’s Manual MEMO Watchdog Timer...

  • Page 77: Appendix B Digital I/O

    EP820 All-In-One EPIC Board User’s Manual A p p e n d i x B Digital I/O Using the Digital Input Function Start ↓ Un-Lock SuperI /O: O 2E 87 ; Un-lock super I/O O 2E 87 ; Un-lock super I/O ↓...
  • Page 78 EP820 All-In-One EPIC Board User’s Manual Using the Digital Output Function Start ↓ Un-Lock SuperI /O: O 2E 87 ; Un-lock super I/O O 2E 87 ; Un-lock super I/O ↓ SelectMultiplexed pin to GPIO Function: O 2E 2A O 2F FF ↓...
  • Page 79 EP820 All-In-One EPIC Board User’s Manual Description Description CN10 Digital Input 1(BIT7) DigitalOutput 1(BIT3) Digital Input 2(BIT6) DigitalOutput 2(BIT2) Digital Input 3(BIT5) DigitalOutput 3(BIT1) Digital Input 4(BIT4) DigitalOutput 4(BIT0) 10 GND Digital I/O...
  • Page 80 EP820 All-In-One EPIC Board User’s Manual MEMO Digital I/O...

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