VIA Technologies EPIA-M920 User Manual
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VIA Technologies EPIA-M920 User Manual

Mini-itx embedded board
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USER MANUAL
EPIA-M920
Mini-ITX embedded board
1.04-06182013-175200

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Summary of Contents for VIA Technologies EPIA-M920

  • Page 1 USER MANUAL EPIA-M920 Mini-ITX embedded board 1.04-06182013-175200...

  • Page 2: Regulatory Compliance

    The information and product specifications within this document are subject to change at any time, without notice and without obligation to notify any person of such change. VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any time without prior notice.

  • Page 3: Safety Precautions

    Battery Recycling and Disposal Only use the appropriate battery specified for this product. Do not re-use, recharge, or reheat an old battery. Do not attempt to force open the battery. Do not discard used batteries with regular trash. Discard used batteries according to local regulations. Safety Precautions Always read the safety instructions carefully.
  • Page 4 Model Number CPU Frequency CPU Frequency CPU Frequency CPU Frequency Description Description Description Description EPIA-M920-10E 1.0GHz Eden™ X2 Standard kit 1 x SATA cable 1 x I/O bracket EPIA-M920-12Q 1.2GHz QuadCore Standard kit 1 x SATA cable 1 x I/O bracket...

  • Page 5: Table Of Contents

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Table of Contents 1. 1. 1. 1. Product Overview Product Overview ........ Product Overview Product Overview ....................................................
  • Page 6 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.10. USB 2.0 Pin Headers................27 2.2.11. COM Pin Header for COM2~COM4 ..........28 2.2.12. PS/2 Keyboard and Mouse Pin Header ..........29 2.2.13.
  • Page 7 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.1. Entering the BIOS Setup Utility............... 51 6.2. Control Keys....................51 6.3. Navigating the BIOS Menus ..............52 6.4. Getting Help....................52 6.5.
  • Page 8 ..........................87 87 A.1. EPIA-M920 Rev. 2 DVT ATX POWER ............87 A.1.1. Playing DVD – Power DVD 5.0 ............... 87 A.1.2. Playing MP3-Media Player ................ 88 A.1.3. Running Network Application ..............88 A.1.4. IDLE........................ 89 A.1.5. RUN Burn-in Test ..................89 A.1.6.
  • Page 9 User Manual Lists of Figures Figure 1: Layout diagram of the EPIA-M920 mainboard (top view) ...... 7 Figure 2: Mounting holes and dimensions of the EPIA-M920 mainboard.... 2 Figure 3: External I/O port dimensions of the EPIA-M920 mainboard ....2 Figure 4: Height distribution of the EPIA-M920 mainboard (for Quad Core model) ..........................
  • Page 10 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Figure 30: LPC pin header....................33 Figure 31: SPDIF connector ................... 34 Figure 32: CMOS battery slot..................35 Figure 33: USB 3.0 connectors ..................36 Figure 34: CLEAR CMOS jumper .................
  • Page 11 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Figure 61: Illustration of DRAM Configuration screen ..........66 Figure 62: Illustration of Video Configuration screen ..........69 Figure 63: Illustration of UART Configuration screen ..........71 Figure 64: Illustration of PMU_ACPI Configuration screen ........
  • Page 12 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Lists of Tables Table 1: PS/2 port pinout ....................6 ® Table 2: HDMI port pinout ................... 7 Table 3: COM port pinout ....................8 Table 4: Gigabit Ethernet port pinout ................
  • Page 13 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Table 32: COM1 and COM2 voltage select jumper settings ....... 39 Table 33: COM3 and COM4 voltage select jumper settings ....... 40 Table 34: VDD Power Select pinout ................

  • Page 14: Product Overview Product Overview

    VIA VT2021 High Definition Audio Codec. In addition it supports two SATA 3Gb/s storage devices. The VIA EPIA-M920 is compatible with a full range of Mini-ITX chassis as well as FlexATX and MicroATX enclosures and power supplies. The VIA EPIA- ®...

  • Page 15: Key Features And Benefits

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1.1. Key Features and Benefits ™ 1.1.1. VIA QuadCore /VIA Eden X2 Processor The VIA QuadCore is a 64-bit superscalar x86 quad core (Isaiah) processor combine on two dies.

  • Page 16: Via Vx11H Mspiii Chipset

    This ensures that companies using the EPIA-M920 obtain the maximum benefits from its past investments in PCI expansion cards. The VIA EPIA-M920 also includes a 4-Lane PCI Express 2.0 expansion slot that provides protection against obsolescence.

  • Page 17: Product Specifications

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1.2. Product Specifications Processor Processor Processor Processor VIA Nano X4 1.2GHz+ with fansink (27.5W)  VIA Eden X2 1.0GHz+ fanless  7 bit VID ...
  • Page 18 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1 x Front audio pin header (Line-out/MIC-in)  1 x PS/2 keyboard/mouse pin header  3 x RS232 pin header (2 from VX11H, configurable 5V/12V) ...
  • Page 19 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual System Monitoring & Management System Monitoring & Management System Monitoring & Management System Monitoring & Management Wake-on-LAN  Keyboard Power-on  Timer Power-on ...

  • Page 20: Layout Diagram

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1.3. Layout Diagram Figure Figure Figure Figure 1 1 1 1 : Layout diagram of the : Layout diagram of the : Layout diagram of the : Layout diagram of the EPIA EPIA...
  • Page 21 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Item Item Description Description Item Item Description Description PS/2 keyboard and mouse pin header (JKBMS) SMBus pin header (SMBUS1) Digital I/O pin headers (DIO1) VDD Power Select jumper (J9) COM4 pin header Front panel pin header (F_PANEL)

  • Page 22: Product Dimensions

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1.4. Product Dimensions Figure Figure Figure Figure 2 2 2 2 : Mounting holes an : Mounting holes an : Mounting holes an : Mounting holes and dimensions of the d dimensions of the d dimensions of the...

  • Page 23: Height Distribution

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 1.5. Height Distribution Figure Figure 4 4 4 4 : Height distribution of the : Height distribution of the EPIA EPIA- - - - M920 M920 mainboard mainboard (for (for Qu...
  • Page 24 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Figure Figure 5 5 5 5 : Height distribution of the EPIA : Height distribution of the EPIA- - - - M920 M920 mainboard mainboard (for (for Dual Core model...

  • Page 25: I/O Interface

    2. 2. 2. 2. I/O Interface I/O Interface I/O Interface I/O Interface The VIA EPIA-M920 has a wide selection of interfaces integrated into the board. It includes a selection of frequently used ports as part of the external I/O coastline. 2.1. External I/O Ports...

  • Page 26: Ps/2 Port

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.1.1. PS/2 Port The mainboard has two integrated PS/2 ports for keyboard and mouse. Each port is using the 6-pin Mini-DIN connector. The color purple is used for a PS/2 keyboard while the color green is used for a PS/2 mouse.

  • Page 27: Hdmi Port

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual ® 2.1.2. HDMI Port ® ® The integrated 19-pin HDMI port uses an HDMI Type A receptacle ® ® connector as defined in the HDMI specification.

  • Page 28: Com Port

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.1.3. COM Port The integrated 9-pin COM port uses a male DE-9 connector. The COM (COM1) port supports the RS-232 standard. The pinout of the COM port is shown below.

  • Page 29: Rj45 Lan Port: Gigabit Ethernet

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.1.4. RJ45 LAN port: Gigabit Ethernet The integrated 8-pin Gigabit Ethernet port is using an 8 Position 8 Contact (8P8C) receptacle connector (commonly referred to as RJ45). The pinout of the Gigabit Ethernet port is shown below.

  • Page 30: Audio Ports

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.1.5. Audio Ports There are three audio jack receptacles integrated into a single stack on the I/O coastline. Each receptacle can fit a 3.5 mm Tip Ring Sleeve (TRS) connector to enable connections to Line-in, Line-out, and MIC-in.

  • Page 31: Vga Port

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.1.6. VGA Port The integrated 15-pin VGA port uses a female DE-15 connector. The VGA port is for connecting to analog displays. The pinout of the VGA port is shown below.

  • Page 32: Usb 2.0 Port

    User Manual 2.1.7. USB 2.0 Port There are two integrated USB 2.0 ports in EPIA-M920 mainboard. The USB- interface port gives complete Plug and Play and hot swap capability for external devices and it complies with USB UHCI, rev. 2.0. Each USB port is using the USB Type A receptacle connector.

  • Page 33: Usb 3.0 Port

    User Manual 2.1.8. USB 3.0 Port The EPIA-M920 mainboard provides two USB 3.0 ports, also known as SuperSpeed USB. The USB 3.0 port has a maximum data transfer rate up to 5 Gbps and offers a backwards compatible with previous USB 2.0 specifications.

  • Page 34: Onboard Connectors

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2. Onboard Connectors 2.2.1. ATX Power Connector The mainboard has a 20-pin ATX power connector onboard. The ATX power connector is labeled as “ATX_POWER1”. The pinout of the ATX power connector is shown below.

  • Page 35: Lvds Panel Connectors

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.2. LVDS panel connectors The mainboard has two LVDS panel connectors: LVDS1 and LVDS2. LVDS1 connector is controlled by VIA VX11H chipset while the LVDS2 connector is controlled by VT1636 LVDS transmitter.
  • Page 36 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Signal Signal Signal Signal Signal Signal Signal Signal PVDD1 PVDD1 -LD1C0 +LD1C0 -LD1C1 +LD1C1 -LD1C2 + LD1C2 -LCLK1 + LCLK1 -LD1C3 + LD1C3 LVDSPCLK LPDSPD...
  • Page 37 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Signal Signal Signal Signal Signal Signal Signal Signal PVDD2 -A4_L PVDD2 A4_L -A5_L -A0_L A5_L A0_L -A6_L -A1_L A6_L A1_L -CLK2_L -A2_L CLK2_L A2_L...

  • Page 38: Lvds Inverter Connector

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.3. LVDS Inverter Connector The mainboard has two inverters for controlling the LVDS panel backlight and brightness. INVERTER1 corresponds to the LVDS1 panel connector. INVERTER2 corresponds to the LVDS2 panel connector.
  • Page 39 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Inverter 1 Inverter 1 Inverter 2 Inverter 2 Inverter 1 Inverter 1 Inverter 2 Inverter 2 Signal Signal Signal Signal Signal Signal Signal Signal...

  • Page 40: Digital I/O Pin Headers

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.4. Digital I/O pin headers The mainboard includes one Digital I/O pin header that supports four GPO and four GPI pins. Figure Figure 18 18: Digital I/O pin headers...

  • Page 41: External Thermal Resister

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.5. External Thermal Resister The mainboard supports a pin header (3-pin) that allows the connection of a temperature sensor cable for detecting the system’s internal air temperature. The temperature reading can be seen in the BIOS Setup Utility.

  • Page 42: Front Panel Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.6. Front Panel Pin Header The front panel pin header consists of 15 pins in a 16-pin block. Pin 15 is keyed.
  • Page 43 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Signal Signal Signal Signal Signal Signal Signal Signal +5VDUAL +3.3V +5VDUAL SATA_LED PWR_LED PWR_BTN Ground -RST_SW Ground SPEAK -SLEEPLED — Table Table 16 16: Front panel pin header pinout : Front panel pin header pinout...

  • Page 44: Smbus Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.7. SMBus Pin Header The SMBus pin header consists of three pins that allow connecting the SMBus devices. Devices communicate with a SMBus host and/or other SMBus devices using the SMBus interface.

  • Page 45: Cpu And System Fan Connectors

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.8. CPU and System Fan Connectors There are two fan connectors on board: one for the CPU and one for the chassis.

  • Page 46: Sata Connectors

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.9. SATA Connectors The two SATA connectors on board can support up to 3 Gb/s transfer speeds. The SATA connectors are labeled as “SATA1” and “SATA2”. The pinout of the SATA connectors are shown below.

  • Page 47: Usb 2.0 Pin Headers

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.10. USB 2.0 Pin Headers The mainboard has two USB 2.0 pin header blocks that support up to four USB 2.0 ports. The pin header blocks are labeled as “USB_1”and “USB_2. The pinout of the USB pin headers are shown below.

  • Page 48: Com Pin Header For Com2~Com4

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.11. COM Pin Header for COM2~COM4 There are a total of three COM pin headers on the mainboard. Each COM pin header supports the RS-232 standard.

  • Page 49: Ps/2 Keyboard And Mouse Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.12. PS/2 Keyboard and Mouse Pin Header The mainboard has a pin header for a PS/2 keyboard and mouse. The pin header is labeled as “JKBMS”.

  • Page 50: Front Audio Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.13. Front Audio Pin Header In addition to the TRS audio jacks on the external I/O coastline, the mainboard has a pin header for Line-Out and MIC-In. The pin header is labeled as “F_AUDIO1”.

  • Page 51: Spi Address Select

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.14. SPI address select The connector is labeled as “J6”. The pinout of the SPI address select is shown below. Figure Figure 28 28: SPI : SPI address select...

  • Page 52: Spi Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.15. SPI Pin Header The mainboard has one 8-pin SPI pin header. The SPI (Serial Peripheral Interface) pin-header is used to connect to the SPI BIOS programming fixture. The pin header is labeled as “SPI1”.

  • Page 53: Lpc Pin Header

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.16. LPC Pin Header The mainboard has one LPC pin header for connecting LPC devices. The pin header is labeled as “LPC”. The pinout of the pin header is shown below. Figure Figure Figure...

  • Page 54: Spdif Connector

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.17. SPDIF Connector The mainboard has one 3-pin SPDIF (Sony Philips Digital Interface) connector. The SPDIF output provides digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder.

  • Page 55: Cmos Battery Slot

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.18. CMOS Battery Slot The mainboard is equipped with a CMOS battery slot, which is compatible with CR2032 coin batteries. The CMOS battery slot is labeled as “BAT2”. When inserting a CR2032 coin battery, be sure that the positive side is facing the locking clip.

  • Page 56: Usb3.0 Connector

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 2.2.19. USB3.0 Connector The mainboard has onboard USB connector that enables additional USB 3.0 connector. The connector is labeled as “J8”. The pinout of the USB connector is shown below.

  • Page 57: Jumpers

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3. 3. 3. 3. Jumpers Jumpers Jumpers Jumpers 3.1. Clear CMOS Jumper The onboard CMOS RAM stores system configuration data and has an onboard battery power supply.

  • Page 58: Sata Dom Power Select Jumper

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3.2. SATA DOM Power Select Jumper The SATA connectors can be used to support Disk-on-Module flash drives. The power for SATA DOM is controlled by the jumper labeled as “J12”.When the jumpers are set, +5V will be delivered to the 7 pin of the SATA connectors.

  • Page 59: Com1 And Com2 Voltage Select Jumper

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3.3. COM1 and COM2 Voltage Select Jumper The voltage for COM1 and COM2 is controlled by the jumper labeled as “J11”. The voltage can be either +5V or +12V. +5V is the default setting. The odd pin numbers correspond to COM1.

  • Page 60: Com3 And Com4 Voltage Select Jumper

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3.4. COM3 and COM4 Voltage Select Jumper The voltage for COM3 and COM4 is controlled by the jumper labeled as “J13”. The voltage can be either +5V or +12V. +5V is the default setting. The odd pin numbers correspond to COM3.

  • Page 61: Vdd Power Select

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3.4.1. VDD Power Select The connector is labeled as “J9”. The pinout of the VDD power select is shown below. Figure Figure 38 38: VDD Power Select : VDD Power Select...

  • Page 62: Lvds Jumper Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 3.5. LVDS Jumper Settings The LVDS connectors and LVDS inverters can operate on different input voltages. The mainboard has one jumper (J14) that controls the voltage delivered to the LVDS1 panel connector and input voltage delivered to the INVERTER1 connector.

  • Page 63: Expansion Slots

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 4. 4. 4. 4. Expansion Slots Expansion Slots Expansion Slots Expansion Slots 4.1. DDR3 Memory Slots The mainboard provides two DDR3 SODIMM memory slots. The memory slot can accommodate up to 8 GB of 1333 MHz memory per slot.

  • Page 64: Installing A Memory Module

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 4.1.1. Installing a Memory Module Step 1 Step 1 Step 1 Step 1 Disengage the locking clasps at both ends of the memory socket. Align the notch on the bottom of the DDR3 memory module with the notch wedge in the slot.

  • Page 65: Removing A Memory Module

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 4.1.2. Removing a Memory Module Step 1 Step 1 Step 1 Step 1 Disengage the locking clasps at both ends of the memory socket. Figure Figure Figure...

  • Page 66: Pci Express Slot

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 4.1.3. PCI Express Slot The PCI Express slot provides support for 4-lane cards. Due to the orientation of the slot, a riser card module must be used.

  • Page 67: Hardware Installation N N N

    Hardware Installation 5.1. Installing into a Chassis The EPIA-M920 can be fitted into any chassis that has the mounting holes for compatible with the standard Mini-ITX mounting hole locations. Additionally, the chassis must meet the minimum height requirements for specified areas of the mainboard.

  • Page 68: Suggested Minimum Chassis Height

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Each side of the mainboard should have a buffer zone from the internal wall of the chassis. The side of the mainboard that accommodates the I/O coastline should have a buffer of 1.00 mm.
  • Page 69 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual Figure Figure 48 48: Suggested minimum internal chassis ceiling height (for quad core model) : Suggested minimum internal chassis ceiling height (for quad core model) Figure Figure 48 48...

  • Page 70: Suggested Keepout Areas

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 5.1.3. Suggested keepout areas The figure below shows the areas of the mainboard that is highly suggested to leave unobstructed. Figure Figure Figure Figure 49...

  • Page 71: Bios Setup Utility

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6. 6. 6. 6. BIOS Setup Utility BIOS Setup Utility BIOS Setup Utility BIOS Setup Utility 6.1. Entering the BIOS Setup Utility Power on the computer and press Delete Delete during the beginning of the boot Delete...

  • Page 72: Navigating The Bios Menus

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.3. Navigating the BIOS Menus Left>/<Right Right> The main menu displays all the BIOS setup categories. Use the <Left Left Left Right Right and <Up...

  • Page 73: Main Menu

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.5. Main Menu The System Overview screen is the default screen that is shown when the BIOS Setup Utility is launched. This screen can be accessed by traversing the navigation bar to the “Main”...

  • Page 74: System Date

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.5.4. System Date This section shows the current system date. Press Tab Tab to traverse right and Shift+Tab Shift+Tab Shift+Tab Shift+Tab to traverse left through the month, day, and year segments. The + + + + and - - - - keys on the number pad can be used to change the values.

  • Page 75: Advanced Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6. Advanced Settings The Advanced Settings screen shows a list of categories that can provide access to a sub-screen. Sub-screen links can be identified by the preceding right-facing arrowhead.

  • Page 76: Acpi Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.1. ACPI Settings ACPI grants the operating system direct control over system power management. The ACPI Configuration screen can be used to set a number of power management related functions.

  • Page 77: S5 Rtc Wake Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.2. S5 RTC Wake Settings Enable system to wake from S5 using RTC alarm. Figure Figure Figure Figure 53 53 53 53: Illustration of S : Illustration of S : Illustration of S...

  • Page 78: Cpu Information

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.3. CPU Information The CPU Information screen shows detailed information about the built-in processor. Figure Figure Figure Figure 54 54 54 54: Illustration of CPU : Illustration of CPU : Illustration of CPU...

  • Page 79: Sata Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.4. SATA Configuration The SATA Configuration screen allows the user to view and configure the settings of the SATA configuration settings. Figure Figure Figure...

  • Page 80: F71869 Super Io Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.5. F71869 Super IO Configuration The F71869 Super IO Configuration screen allows the user to set system Super IO Chip parameters. Figure Figure Figure...

  • Page 81: F71869 H/W Monitor

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.6. F71869 H/W Monitor F71869 H/W Monitor shows Monitor hardware status. Figure Figure Figure Figure 57 57 57 57: Illustration of F71869 H/W Monitor screen : Illustration of F71869 H/W Monitor screen : Illustration of F71869 H/W Monitor screen : Illustration of F71869 H/W Monitor screen...

  • Page 82: Clock Generator Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.7. Clock Generator Configuration The Clock Generator Configuration screen enables access to the Spread Spectrum Setting feature. Figure Figure Figure Figure 58 58 58 58: Illustration of Clock Generator Configuration screen : Illustration of Clock Generator Configuration screen...

  • Page 83: On Board Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.8. On Board Configuration The OnBoard Device Configuration screen has the following features. Figure Figure Figure Figure 59 59 59 59: Illustration of On Board Configuration screen : Illustration of On Board Configuration screen : Illustration of On Board Configuration screen : Illustration of On Board Configuration screen...
  • Page 84 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.6.8.4. 6.6.8.4. 1CH LVDS Backlight Control 1CH LVDS Backlight Control 6.6.8.4. 6.6.8.4. 1CH LVDS Backlight Control 1CH LVDS Backlight Control Backlight Control Backlight Control Backlight Control Backlight Control...

  • Page 85: Chipset Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7. Chipset Settings The Chipset Settings screen shows a list of categories that can provide access to a sub-screen. Sub-screen links can be identified by the preceding right- facing arrowhead.

  • Page 86: Dram Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.1. DRAM Configuration The DRAM Configuration screen has two features for controlling the system DRAM. All other DRAM features are automated and cannot be accessed. Figure Figure Figure...
  • Page 87 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 533 MHz 533 MHz 533 MHz 533 MHz The 533 MHz option forces the BIOS to be fixed at 1066 MHz for DDR3 memory modules.
  • Page 88 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.1.2. 6.7.1.2. 6.7.1.2. 6.7.1.2. VGA Share Memory (F VGA Share Memory (F VGA Share Memory (F VGA Share Memory (Frame Buffer) rame Buffer) rame Buffer) rame Buffer)

  • Page 89: Video Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.2. Video Configuration The Video Configuration screen has features for controlling the integrated graphics controller in the VX11H chipset. Figure Figure Figure Figure 62 62 62...
  • Page 90 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.2.4. 6.7.2.4. 6.7.2.4. 6.7.2.4. Select Display Device 1 and 2 Select Display Device 1 and 2 Select Display Device 1 and 2 Select Display Device 1 and 2 The Select Display Device feature enables the user to choose a specific display interface.

  • Page 91: Uart Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.3. UART Configuration The UART Configuration screen allows the user to set UART configuration parameters. Figure Figure Figure Figure 63 63 63 63: Illustration of : Illustration of : Illustration of...

  • Page 92: Pmu_Acpi Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.4. PMU_ACPI Configuration The PMU_ACPI Configuration screen can be used to set a number of power management related functions. Figure Figure 64 64: Illustration of PMU_ACPI Configuration screen : Illustration of PMU_ACPI Configuration screen Figure...
  • Page 93 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.4.1. 6.7.4.1. 6.7.4.1. 6.7.4.1. Other Control Other Control Other Control Other Control Figure Figure Figure Figure 65 65 65 65: Illustration of Oth : Illustration of Oth : Illustration of Oth : Illustration of Other Control screen...

  • Page 94: Hdac Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.5. HDAC Configuration HDAC Configuration Parameters. Figure Figure Figure Figure 66 66 66 66: Illustration of HDAC Configuration screen : Illustration of HDAC Configuration screen : Illustration of HDAC Configuration screen : Illustration of HDAC Configuration screen 6.7.5.1.

  • Page 95: Sdio_Cr Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.6. SDIO_CR Configuration The SDIO_CR Configuration screen can be used to set SDIO_CR configuration parameters. Figure Figure Figure Figure 67 67 67 67: Illustration of S : Illustration of S : Illustration of S...
  • Page 96 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.6.1.6. 6.7.6.1.6. SDR50 Support SDR50 Support 6.7.6.1.6. 6.7.6.1.6. SDR50 Support SDR50 Support This feature has 2 options: Enable or Disable SDR50 Support. 6.7.6.1.7.

  • Page 97: Others Configuration

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.7.7. Others Configuration The Others Configuration screen can be used to set Watchdog Timer Configuration and Keyboard/Mouse Wakeup Configuration. Figure Figure Figure Figure 68 68 68...

  • Page 98: Boot Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.8. Boot Settings The Boot Settings screen has a single link that goes to the Boot Configuration Boot Configuration, , , , Boot Configuration Boot Configuration and Boot...

  • Page 99: Boot Option Priorities

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.8.2. Boot Option Priorities The Boot Option Priorities screen lists all bootable devices. 6.8.2.1. 6.8.2.1. Boot Option #1 Boot Option #1 6.8.2.1.

  • Page 100: Security Settings

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.9. Security Settings The Security Settings screen provides a way to restrict access to the BIOS or even the entire system. Figure Figure 70 70: Illustration o...
  • Page 101 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.9.1.2. 6.9.1.2. Password Check Password Check 6.9.1.2. 6.9.1.2. Password Check Password Check This feature is compulsory when the Change Supervisor Pa Change Supervisor Password ssword option is set.

  • Page 102: Save & Exit Options

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.10. Save & Exit Options The Save & Exit Configuration screen has the following features: Figure Figure 71 71: Illustration of : Illustration of Save &...

  • Page 103: Discard Changes And Reset

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual 6.10.4. Discard Changes and Reset This command reverts all changes to the settings that were in place when the BIOS Setup Utility was launched. The “F7” hotkey can also be used to trigger this command.

  • Page 105: Driver Installation Driver Installation

    Driver Installation Driver Installation 7.1. Microsoft Driver Support The VIA EPIA-M920 mainboard is compatible with Microsoft operating systems. The latest Windows drivers can be downloaded from the VIA Embedded website at www.viaembedded.com. For embedded operating systems, the related drivers can be found in the VIA Embedded website at www.viaembedded.com.
  • Page 106 EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual...

  • Page 107: Appendix A. Power Consumption Report

    Power Consumption Report Power Consumption Report Power Consumption Report Power consumption tests were performed on the VIA EPIA-M920. The following tables represent the breakdown of the voltage, amp and wattage values while running common system applications. A.1. EPIA-M920 Rev. 2 DVT...

  • Page 108: Playing Mp3-Media Player

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual A.1.2. Playing MP3-Media Player Measured Voltage Measured Voltage Measured Amp. Measured Amp. Watts ts ts ts Measured Voltage Measured Voltage Measured Amp. Measured Amp.

  • Page 109: Idle

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual A.1.4. IDLE Measured Voltage Measured Voltage Measured Voltage Measured Voltage Measured Amp. Measured Amp. Measured Amp. Measured Amp. Watts Watts Watts Watts Main Board +3.3V 3.124...

  • Page 110: A.1.6. S3

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual A.1.6. S3 Measured Voltage Measured Voltage Measured Voltage Measured Voltage Measured Amp. Measured Amp. Measured Amp. Measured Amp. Watts Watts Watts Watts Main Board +3.3V 0.000...

  • Page 111: Eup/Erp Enable S3

    EPIA EPIA- - - - M920 M920 User Manual User Manual EPIA EPIA M920 M920 User Manual User Manual A.1.8. EuP/ErP Enable S3 Measured Voltage Measured Voltage Measured Voltage Measured Voltage Measured Amp. Measured Amp. Measured Amp. Measured Amp. Watts Watts Watts Watts...
  • Page 112 Taiwan Headquarters Europe 1F, 531 Zhong-Zheng Road 940 Mission Court In den Dauen 6 Xindian District, New Taipei City 231, Fremont, CA 94539 53117 Bonn Taiwan Germany TEL: 886.2.2218.5452 TEL: 1.510.683.3300 TEL: 49.228.688565.0 FAX: 886.2.2218.5453 FAX: 1.510.687.4654 FAX: 49.228.688565.19 Email: embedded@via.com.tw Email: embedded@viatech.com Email: embedded@via-tech.de China...

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