VIA Technologies EPIA-ML User Manual
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VIA Technologies EPIA-ML User Manual

Mini-itx mainboard
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User's Manual
EPIA-ML
Mini-ITX Mainboard
Version 1.11
September 25, 2008

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Summary of Contents for VIA Technologies EPIA-ML

  • Page 1 User’s Manual EPIA-ML Mini-ITX Mainboard Version 1.11 September 25, 2008...
  • Page 2 However, VIA Technologies assumes no responsibility for the use or misuse of the information in this document and for any patent infringements that may arise from the use of this document.
  • Page 3 FCC-B Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 4: Safety Instructions

    Safety Instructions Always read the safety instructions carefully. Keep this User's Manual for future reference. Keep this equipment away from humidity. Lay this equipment on a reliable flat surface before setting it up. The openings on the enclosure are for air convection hence protects the equipment from overheating.
  • Page 5 ONTENTS • 1 x VIA Mainboard • 1 x Quick Installation Guide • 1 x ATA-33/66/100 IDE Ribbon Cable • 1 x Driver Utilities CD...

  • Page 6: Table Of Contents

    ABLE OF ONTENTS Box Contents................i Table of Contents ..............ii Chapter 1 ................1 Specifications ............... 1 Mainboard Specifications ............2 Mainboard Layout ..............4 Back Panel Ports ..............5 Slots..................5 Onboard Connectors and Jumpers........... 6 Chapter 2 ................7 Installation................
  • Page 7 Load Optimized Defaults ............55 Set Supervisor / User Password ..........56 Save & Exit Setup ............... 58 Exit Without Saving ............. 59 Chapter 4 ................61 Driver Installation ............... 61 Driver Utilities ..............62 CD Content ................ 63...
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  • Page 9: Chapter 1

    HAPTER Specifications The ultra-compact and highly integrated VIA EPIA-ML Mini-ITX Mainboard is the smallest form factor mainboard specification available today, developed by VIA Technologies, Inc. as part of the company’s open industry-wide total connectivity initiative. mainboard enables creation exciting generation...

  • Page 10: Mainboard Specifications

    Chapter 1 AINBOARD PECIFICATIONS • VIA C3 / EDEN EBGA Processor (on board) • Enhanced Ball Grid Array Package (EBGA) • Internal L1 128KB and L2 64KB cache memory Chipset • VIA CLE266 North Bridge • VT8235 South Bridge Graphics •...
  • Page 11 Specifications Onboard I/O Connectors • Front-panel audio connectors (Mic and Line Out) • CD Audio-in connector • 1 FIR connector; 1 PS2 connector • Wake-on-LAN • CPU / System Fan / FAN3 • 1 SMBus connector • Serial port connector for second COM port Back Panel I/O Ports •...

  • Page 12: Mainboard Layout

    Chapter 1 AINBOARD AYOUT Back Panel...

  • Page 13: Back Panel Ports

    Specifications ANEL ORTS Port Description Audio Jacks Line-Out, Line-In, Microphone COM 1 Serial port LPT1 Parallel port PS2-MS PS2 mouse port PS2-KB PS2 keyboard port RJ45 10/100 NIC port USB 1-2 Universal Serial Bus ports 1 - 2 VGA Out VGA out port LOTS Slot...

  • Page 14: Onboard Connectors And Jumpers

    Chapter 1 NBOARD ONNECTORS AND UMPERS Connector/Jumper Description ATXPWR ATX power cable connector CD_IN Onboard CD audio cable connector Consumer IR connector CLEAR_CMOS Jumper to reset CMOS settings to default COM2 Second serial port connector F_AUDIO Connectors for optional front audio panel F_PANEL Case connectors Fans...

  • Page 15: Chapter 2

    HAPTER Installation This chapter provides you with information about hardware setup procedures. While installing the mainboard, carefully hold the components and closely follow the installation procedures. Some components may be damaged if they are installed incorrectly. It is recommended to use a grounded wrist strap before handling computer components.

  • Page 16: Cpu

    Chapter 2 The VIA EPIA-ML Mini-ITX Mainboard includes an embedded VIA Eden Processor or VIA C3 E-Series Processor. The CPUFAN (CPU fan) and SYSFAN (system fan) run on +12V and maintain system cooling. When connecting the wire to the connectors, always be aware that the red wire is the Positive and should be connected to the +12V.
  • Page 17 Installation The VIA Eden Processor Providing ultra-low power consumption and advanced thermal dissipation properties, the VIA Eden Processor features a fanless design. The VIA Eden Processor requires only a heatsink as shown. Caution: This motherboard is not designed to support overclocking. Any attempt to operate beyond product specifications is not recommended.

  • Page 18: Memory Module Installation

    Chapter 2 EMORY ODULE NSTALLATION The VIA EPIA-ML Mini-ITX Mainboard provides one 184-pin DIMM slot for DDR266 SDRAM memory modules. DDR SDRAM Module Installation Procedures Push the white retaining latches at either end of the DIMM slot outwards. Align the DDR SDRAM module with the corresponding notches on the DIMM slot.
  • Page 19 Installation Available DDR SDRAM Configurations Refer to the table below for available DDR SDRAM configurations on the mainboard. Slot Module Size Total Memory DIMM 64MB, 128MB, 256MB, 512MB, 1GB 64MB – 1GB (Bank 0 & 1) Maximum System Memory Supported 64MB –...

  • Page 20: Connecting The Power Supply

    ONNECTING THE OWER UPPLY The VIA EPIA-ML Mini-ITX Mainboard requires an ATX power supply to be connected. Before inserting the power supply connector, always make sure that all components are installed correctly to ensure that no damage will be caused.

  • Page 21: Back Panel Ports

    Installation ANEL ORTS The back panel has the following ports: Mouse Port: PS2_MS The mainboard provides a standard PS/2 mouse connector for attaching a PS/2 mouse. You can plug a PS/2 mouse directly into this connector. The connector location and pin assignments are as follows. Signal Description Mouse DATA...
  • Page 22 Chapter 2 VGA Out A DB-15 pin female connector that connects to a VGA monitor. USB Ports The mainboard provides 2 USB 2.0 ports. USB-compatible devices can be plugged directly into these ports. Signal Description -DATA Negative data channel +DATA Positive data channel Ground RJ45 10/100 NIC Port...
  • Page 23 Installation Parallel Port: LPT1 The mainboard provides a 25-pin female connector for LPT (parallel port). A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP) and Extended Capabilities Parallel Port (ECP) modes. Signal Description STROBE Strobe DATA0 Data0 DATA1...
  • Page 24 Chapter 2 Serial Ports: COM1 The mainboard offers two 9-pin male Serial Port connectors COM1. You can attach a serial mouse or other serial devices directly to these ports. Signal Description Data Carry Detect Serial In or Receive Data SOUT Serial Out or Transmit Data Data Terminal Ready Ground...
  • Page 25 Installation After completing the previous settings, you need to connect your speakers to the audio jacks as shown below.

  • Page 26: Connectors

    Chapter 2 ONNECTORS Hard Disk Connectors: IDE1 & IDE2 The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 33/66/100/133 controller that provides PIO mode 0~4, Bus Master, and Ultra DMA 33/66/100/133 functions. You can connect up to four hard disk drive, CD- ROM, LS-120 and other devices.
  • Page 27 Installation Case Connector: F_PANEL The F_PANEL connector block allows you to connect to the power switch, reset switch, power LED, HDD LED, SLED and the Speaker on the case. Signal Signal PWR LED+ HDD LED+ PWR LED+ HDD LED- PWR LED- PW_BN+ SPEAKER+ PW_BN-...
  • Page 28 Chapter 2 Fast IrDA Infrared Module Connector: IR This connector allows you to connect an IrDA Infrared module. You must configure the setting through the BIOS setup to activate the IR function. Signal IRRX1 IRRX IRTX Consumer Infrared Module, PS2 Header: CIR / EXT_KBMS When the leader is not in use, please short pin 3&5, pin 4&6, pin 7&9, and pin 8&10.
  • Page 29 Installation USB pin-header: USB3/4 The mainboard provides 1 front USB pin-header connector, allowing up to 2 additional USB ports. Please plug the USB 2-port module onto this pin-header. Signal Signal USB2- USB3- USB2+ USB3+ Wake-on LAN: WOL This connector allows you to connect a network card with the Wake-On LAN function.
  • Page 30 Chapter 2 COM2: Serial Port 2 COM2 is a pin header for second serial port. Signal Description Data Carry Detect Serial In or Receive Data SOUT Serial Out or Transmit Data Data Terminal Ready Ground Data Set Ready Request To Send Clear To Send Ring Indicate COM2...
  • Page 31 Installation CD Audio Connector: CD_IN This connector is for the CD-ROM audio connector. SMBus Connector: SMBus This is for connecting a System Management Bus device. Signal +3.3V +3.3V EL-ON SMBCK SMBDT...
  • Page 32 Chapter 2 Front Audio Panel: F_AUDIO This connector allows you to connect a front audio panel to the mainboard. Only the line-out and microphone functions are available for use on the front panel. To connect the front audio cable, first remove the two red plastic jumpers.

  • Page 33: Jumpers

    Installation UMPERS The mainboard provides jumpers for setting some mainboard functions. This section will explain how to change the settings of the mainboard functions using the jumpers. Clear CMOS: CLEAR_CMOS The onboard CMOS RAM stores system configuration data and has an onboard battery power supply.

  • Page 34: Slots

    Chapter 2 LOTS Peripheral Component Interconnect: PCI The PCI slot allows you to insert PCI expansion card. When adding or removing expansion cards, make sure that you unplug the power supply first. Meanwhile, read the documentation for the expansion card to make any necessary hardware or software settings for the expansion card, such as jumpers, switches or BIOS configuration.

  • Page 35: Chapter 3

    HAPTER BIOS Setup This chapter gives a detailed explanation of each BIOS setup functions.

  • Page 36: Entering Setup

    Chapter 3 NTERING ETUP Power on the computer and press Delete during the beginning of the boot sequence to enter the BIOS setup menu. If you missed the BIOS setup entry point, you may restart the system and try again. ONTROL Keys Description...

  • Page 37: Getting Help

    BIOS Setup ETTING Main Menu The main menu displays all BIOS setup categories. Use the control keys Up/Down Arrow Keys to select any item/sub-menu. Description of the selected/highlighted category is displayed at the bottom of the screen. Sub-Menu If you find a right pointer symbol (as shown in the right view) appears on the left of certain fields, this means a sub- menu...

  • Page 38: Main Menu

    Chapter 3 The Main Menu contains twelve setup functions and two exit choices. Use arrow keys to select the items and press Enter to accept or enter the sub- menu. Standard CMOS Features Use this menu to set basic system configurations. Advanced BIOS Features Use this menu to set the advanced features available on your system.
  • Page 39 BIOS Setup PC Health Status This menu shows the PC health status. Frequency/Voltage Control Use this menu to set the system frequency and voltage control. Load Fail-Safe Defaults Use this menu option to load the BIOS default settings for minimal and stable system operations.

  • Page 40: Standard Cmos Features

    Chapter 3 CMOS F TANDARD EATURES Date The date format is <Day><Month><Date><Year>. Day - day of the week, for example Friday. Read-only. Month - the month from Jan to Dec. Date - the date from 1 to 31. Year - the year, range from 1999 to 2098. Time The time format is <Hour><Minute><Second>...

  • Page 41: Ide Primary Master/Slave, Secondary Master/Slave

    BIOS Setup IDE P RIMARY ASTER LAVE ECONDARY ASTER LAVE Press Enter to enter the sub-menu and the following screen appears: The specifications of your drive must match with the drive table. The hard disk will not work properly if you enter incorrect information in this category. Auto Manual Select...

  • Page 42: Advanced Bios Features

    Chapter 3 BIOS F DVANCED EATURES Virus Warning Set the Virus Warning feature for IDE Hard Disk boot sector protection. If the function is enabled, any attempt to write data into this area will cause a beep Disabled Enabled and warning message display on screen. Settings: CPU L2 Cache ECC Checking Set the ECC (Error-Correcting Code) feature for Level 2 cache.
  • Page 43 BIOS Setup First/Second/Third Boot Device Set the boot device sequence as BIOS attempts to load the disk operating system. LS120 The system will boot from LS-120 drive. HDD-0 The system will boot from first HDD. SCSI The system will boot from SCSI. CD-ROM The system will boot from CD-ROM.
  • Page 44 Chapter 3 Typematic Delay (Msec) When Typematic Rate Setting is enabled, this item allows you to select the delay between when the key was first pressed and when the acceleration 250, 500, 750 1000 begins. Settings: Security Option If you have set a password, select whether the password is required every time the System boots, or only when you enter Setup.

  • Page 45: Advanced Chipset Features

    BIOS Setup DVANCED HIPSET EATURES The Advanced Chipset Features menu is used for optimizing the chipset functions. Caution: Do not change these settings unless you are familiar with the chipset. AGP Aperture Size This setting controls how much memory space can be allocated to AGP for video purposes.
  • Page 46 Chapter 3 CPU to PCI POST Write Enabled When , CPU can write up to four words of data to the PCI write buffer Disabled before CPU must wait for PCI bus cycle to finish. If , CPU must wait after each write cycle until PCI bus signals that it is ready to receive more Enabled Disabled...

  • Page 47: Integrated Peripherals

    BIOS Setup NTEGRATED ERIPHERALS Onboard IDE Channel 1/2 The integrated peripheral controller contains an IDE interface with support for Enabled two IDE channels. Choose to activate each channel separately. Enabled Disabled Settings: IDE Prefetch Mode This allows your hard disk controller to use the fast block mode to transfer data to and from the hard disk drive.
  • Page 48 Chapter 3 AC’97 Audio Auto allows the mainboard to detect whether an audio device is used. If the device is detected, the onboard VIA AC'97 (Audio Codec'97) controller will be enabled; otherwise, it is disabled. Disable the controller if you want to use Auto other controller cards to connect to an audio device.
  • Page 49 BIOS Setup SuperIO Device Press Enter to enter the sub-menu and the following screen appears: Onboard Serial Port 1/2 Set the base I/O port address and IRQ for the onboard serial port A / Auto serial port B. Selecting allows BIOS to automatically determine the correct base I/O port address.
  • Page 50 Chapter 3 EPP Mode Select EPP (Enhanced Parallel Port) comes in two modes: 1.9 and 1.7. EPP 1.9 is the newer version of the protocol and is backwards compatible with most EPP devices. If your EPP device does not work with the EPP 1.9 setting, try changing the setting to EPP 1.7.

  • Page 51: Power Management Setup

    BIOS Setup OWER ANAGEMENT ETUP The Power Management Setup menu configures the system to most effectively save energy while operating in a manner consistent with your own style of computer use. ACPI Function Activate the ACPI (Advanced Configuration and Power Management) Function. If your operating system is ACPI-aware (i.e.
  • Page 52 Chapter 3 HDD Power Down Disabled Set the time to power down HDD after hard disk inactivity. Settings: 1~15 (minutes) Power Management Timer Set the idle time before system enters power saving mode. ACPI OS such as Disabled Windows XP will override this option. Settings: 1/2/4/6/8/10/20/30/40 (minutes) and (hour)
  • Page 53 BIOS Setup Peripheral Activities Press Enter to enter the sub-menu and the following screen appears: VGA Event Decide whether or not the power management unit should monitor VGA activities. Settings: LPT & COM Event Decide whether or not the power management unit should monitor None, LPT, parallel port (LPT) and serial port (COM) activities.
  • Page 54 Chapter 3 PS2KB Wakeup Select Password When select , please press Page Up or Page Down key to Password change , 8 characters maximum. Please note that PS2MS Wakeup from suspend and PS2KB Wakeup from suspend will be disabled Hot key Password while changing the password.
  • Page 55 BIOS Setup IRQs Activities Press Enter to enter the sub-menu and the following screen appears: Primary INTR Selecting will cause the system to wake up from power saving modes Off, On if activity is detected from any enabled IRQ channels. Settings: IRQ3~IRQ15 Enables or disables the monitoring of the specified IRQ line.

  • Page 56: Pnp/Pci Configurations

    Chapter 3 PNP/PCI C ONFIGURATIONS This section describes the BIOS configuration of the PCI bus system. This section covers some very technical items and it is strongly recommended that only experienced users should make any changes to the default settings. PNP OS Installed When set to , BIOS will only initialize the PnP cards used for booting (VGA,...
  • Page 57 BIOS Setup Resource Controlled By The BIOS can automatically configure all the boot and Plug and Play Auto(ESCD) compatible devices. Choose if unsure, the BIOS will automatically Auto (ESCD) assign IRQ, DMA and memory base address fields. Settings: Manual Assign IRQ For VGA/USB Disabled Enabled Assign IRQ for VGA and USB devices.
  • Page 58 Chapter 3 IRQ Resources Resources Controlled By Manual The items are adjustable only when is set to Press Enter and you will enter the sub-menu of the items. IRQ Resources list IRQ 3/4/5/7/9/10/11/12/14/15 for users to set each IRQ a type depending on the type of device using the IRQ.

  • Page 59: Pc Health Status

    BIOS Setup PC H EALTH TATUS This section shows the status of your CPU, fan, warning for overall system status. The PC Health Status displays the current status of all of the monitored hardware devices/components such as CPU voltages, temperatures and fan speeds.

  • Page 60: Frequency / Voltage Control

    Chapter 3 REQUENCY OLTAGE ONTROL DRAM Clock The chipset supports synchronous and asynchronous mode between host 66 MHz, 100 MHz, 133 MHz clock and DRAM clock frequency. Settings: By SPD DRAM Timing The value in this field depends on the memory modules installed in your system.
  • Page 61 BIOS Setup Bank Interleave Set the interleave mode of the SDRAM interface. Interleaving allows banks of SDRAM to alternate their refresh and access cycles. One bank will undergo its refresh cycle while another is being accessed. This improves performance of the SDRAM by masking the refresh time of each bank. This field is only Disabled, 2 Bank, available when “DRAM Timing”...

  • Page 62: Load Fail-Safe Defaults

    Chapter 3 EFAULTS This option on the main menu allows users to restore all the BIOS settings to the default Fail Safe values. These values are set by the mainboard manufacturer to provide a minimal and stable system. When you select Load-Fail Safe Defaults, a message as below appears: Entering loads the default BIOS values that provide a minimal and stable system configuration.

  • Page 63: Load Optimized Defaults

    BIOS Setup PTIMIZED EFAULTS This option on the main menu allows users to restore all the BIOS settings to the default Optimized values. The Optimized Defaults are the default values also set by the mainboard manufacturer for both optimized and stable performance of the mainboard.

  • Page 64: Set Supervisor / User Password

    Chapter 3 UPERVISOR ASSWORD When you select this function, a message as below will appear on the screen: Type the password, up to eight characters in length, and press Enter. The password typed now will clear any previously set password from CMOS memory.
  • Page 65 BIOS Setup Additionally, when a password is enabled, you can also have BIOS to request a password each time the system is booted. This would prevent unauthorized use of your computer. The setting to determine when the password prompt is required is the Security Option of the Advanced BIOS Features menu.

  • Page 66: Save & Exit Setup

    Chapter 3 & E ETUP When you want to quit the Setup menu, you can select this option to save the changes and quit. A message as below will appear on the screen: Entering will allow you to quit the Setup Utility and save the user setup changes to RTC CMOS.

  • Page 67: Exit Without Saving

    BIOS Setup ITHOUT AVING When you want to quit the Setup menu, you can select this option to abandon the changes. A message as below will appear on the screen: Entering will allow you to quit the Setup Utility without saving any changes to RTC CMOS.
  • Page 68 Chapter 3 This page is intentionally left blank.

  • Page 69: Chapter 4

    HAPTER Driver Installation This chapter gives you brief descriptions of each mainboard driver and application. You must install the VIA chipset drivers first before installing other drivers such as audio or VGA drivers. The applications will only function correctly if the necessary drivers are already installed.

  • Page 70: Driver Utilities

    Chapter 4 RIVER TILITIES Getting Started The mainboard includes a Driver Utilities CD which contains the driver utilities and software for enhancing the performance of the mainboard. Please check that you have this CD in your retail box. If the CD is missing from the retail box, please contact the local dealer for the CD.

  • Page 71: Cd Content

    Driver Installation CD C ONTENT The driver utilities and software in this CD are: • VIA 4in1 Drivers: Contains VIA ATAPI Vendor Support Driver (enables the performance enhancing bus mastering functions on ATA-capable Hard Disk Drives and ensures IDE device compatibility), AGP VxD Driver (provides service routines to your VGA driver and interface directly to hardware, providing fast graphical access), IRQ Routing Miniport Driver (sets the system’s PCI IRQ routing sequence)

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