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Summary of Contents for VIA Technologies EPIA-M850
- Page 1 EPIA-M850 Mini-ITX Embedded Board Revision 1.07 1.07-06212013-174200...
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Page 2: Regulatory Compliance
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 Box Contents and Ordering Information Model Number Description EPIA-M850-16L Standard kit 1 x SATA cable 1 x I/O bracket EPIA-M850-12EL Standard kit 1 x SATA cable 1 x I/O bracket...
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Page 5: Table Of Contents
ABLE OF ONTENTS 1 Overview ......................... 1 Key Components ....................2 VIA Nano™ NanoBGA2 CPU ..............2 VIA VX900 System Processor ..............2 Layout........................3 Layout (I/O panel)....................4 Specifications ......................5 2 Hardware Installation..................7 External I/O ......................8 PS/2 ports...................... - Page 6 Onboard Jumpers ....................24 LVDS jumper settings.................24 Clear CMOS jumper..................25 3 BIOS Setup......................26 Entering the BIOS Setup Menu ..............27 Control Keys ......................27 Getting Help ......................28 Main Menu ......................29 AMIBIOS......................29 Processor ......................29 System Memory.....................29 System Time ....................29 System Date ....................29 Advanced Settings ....................30 CPU Configuration ...................31 CPU Thermal Control .................31 IDE Configuration .....................32...
- Page 7 DRAM Clock....................42 Select Display Device 1 and 2..............42 Panel Type and Panel Type 2..............43 VGA Share Memory (Frame Buffer) ...........43 Backlight Control ..................43 OnChip HDAC Device................43 VT6130 LAN Control 1................44 LAN Boot ROM....................44 Boot Settings......................45 Boot Settings Configuration.................46 Quick Boot.......................46 Quiet Boot .......................46 Bootup Num-Lock ..................46 Wait For ‘F1’...
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Page 8: Overview
Overview... -
Page 9: Key Components
VIA VT1708S High Definition Audio codec. In addition it supports two SATA 3Gb/s storage. The EPIA-M850 is based on the VIA VX900 Unified Digital Media IGP chipset featuring the VIA Chrome™ 9 HC3 with 2D/3D graphics and video accelerators for rich digital media performance. -
Page 10: Layout
AYOUT Item Description Page PCIE1: 1 x PCIe 4-lane slot SPDIF1: SPDIF connector BL1: Backlight inverter connector LVDS1: LVDS connector J3: LVDS power select and inverter select jumper KBMS1: PS2 pin header for keyboard and mouse CN1: 20-pin ATX connector U16: VIA Nano CPU FAN2: CPU fan DIM1, DIM2: DDR3 slots... -
Page 11: Layout (I/O Panel)
(I/O AYOUT PANEL Item Description Page PS/2 keyboard port PS/2 mouse port COM port VGA port ® HDMI port USB ports GigaLAN port Line-in 3.5 mm TRS jack Line-out 3.5 mm TRS jack MIC-in 3.5 mm TRS jack... -
Page 12: Specifications
PECIFICATIONS Processor VIA 1.6 GHz Nano processor Fanless VIA 1.2GHz Nano processor VIA VX900 Advanced all-in-one system processor Chipset Fintek F81865-I Super I/O 2 x DDR3 1066/800 MHz DIMM slot Memory (each slot can support a 4 GB module**) Integrated VIA Chrome™ 9 HC3 3D/2D graphics 2 x SATA 3Gb/s connectors Storage VIA VT6130 PCIe Gigabit Ethernet controller... - Page 13 System Monitoring - CPU voltage monitor - System temperature monitor - Wake-on-LAN, keyboard power-on, RTC timer, Watch Dog timer - System power management - AC power failure recover Operating environment 0°C ~ 60°C 0% ~ 95% (relative humidity; non-condensing) Mini-ITX (17 cm x 17 cm) Form Factor Certifications CE/FCC, BSMI...
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Page 14: Hardware Installation
Hardware Installation... -
Page 15: External I/O
XTERNAL The external I/O panel has the following ports: PS/2 ports There are two PS/2 ports: one for a keyboard, one for a mouse. VGA port The 15-pin VGA port is for connecting to analog displays. ® HDMI port ® ®... -
Page 16: Audio Ports
Audio ports Three 3.5 mm TRS jacks enable connections to Line-out, Line-in, and Mic-in. -
Page 17: Onboard Connectors
NBOARD CONNECTORS LVDS panel connector The onboard LVDS panel connector LVDS1 supports dual-channel 24-bit displays. Signal Signal 1LDC4- PVDD1 1LDC4+ PVDD1 1LDC5- 1LDC5+ 1LDC0- 1LDC0+ 1LDC6- 1LDC6+ 1LDC1- 1LDC1+ 1LCLK2- 1LCLK2+ 1LDC2- 1LDC2+ 1LDC7- 1LDC7+ 1LCLK1- 1LCLK1+ 1LDC3- 1LDC3+ LCD CLK LCD DATA... -
Page 18: Inverter Connector
Inverter connector The onboard inverter controls the LVDS panel backlight and brightness. Signal IVDD1_CEN IVDD1_CEN ENABLT/ENAVDD1 ENAVDD1/ENABLT1 BRIGHTNESS1_CTL... -
Page 19: Sata Connectors
SATA connectors There are two onboard SATA connectors that support data transfer speeds up to 3 Gbps. SATA1 SATA2 Signal Signal TX0+ TX1+ TX0- TX1- RX0- RX1- RX0+ RX1+ PCIe slot The onboard PCI Express slot supports one PCIe x4 expansion card. -
Page 20: Usb Device Port Pin Header
USB device port pin header The onboard USB Device Port pin header can be configured to support standard USB Client connectors through cabling and turn the system into a device mode to be controlled by another PC or smart device for transmitting data, synchronizing data, etc. Signal Signal Note:... -
Page 21: Rs232 Com Pin Headers
RS232 COM pin headers The mainboard includes three COM pin headers onboard. COM2 Signal Signal -DCDA_2 RXDA_2 TXDA_2 -DTRA_2 -DSRA_2 -RTSA_2 -CTSA_2 -RIA_2 — COM3 Signal Signal -DCDA_3 RXDA_3 TXDA_3 -DTRA_3 -DSRA_3 -RTSA_3 -CTSA_3 -RIA_3 — COM4 Signal Signal -DCDA_4 RXDA_4 TXDA_4 -DTRA_4... -
Page 22: Digital I/O Pin Headers
Digital I/O pin headers The mainboard includes two Digital I/O pin headers that support eight GPO and eight GPI pins. DIO1 DIO2 Signal Signal Signal Signal DIO5V DIO12V DIO5V DIO12V GPO27 GPI19 GPO23 GPI15 GPO28 GPI20 GPO24 GPI16 GPO29 GPI21 GPO25 GPI17 GPO30... -
Page 23: Lpc Pin Header
LPC pin header The mainboard includes one LPC pin header. Signal Signal +3.3V -LPCRST LPCCLK1 LAD0 -LFRAME LAD1 LAD3 LAD2 — SMBus pin header The mainboard includes an SMBus pin header. Signal SMBCK SMBDT SPI pin header The onboard SPI pin header provides support for one full-duplex serial slave device. -
Page 24: Spdif Connector
SPDIF connector The mainboard includes one SPDIF connector. Signal +5VAUDIO SPDIFO PS/2 keyboard and mouse pin header The mainboard includes one pin header for adding support for PS/2 keyboard and mouse. Signal Signal +5VDUAL +5VDUAL — KB_DT MS_DT KB_CK MS_CK... -
Page 25: Front Audio Pin Header
Front audio pin header The mainboard has one pin header for connecting to front audio Headphone-out and Mic-in jacks. Signal Signal LINE2R LINE2L MIC2_IN_R MIC2_IN_L — Front panel pin header The mainboard has one pin header for connecting to front panel switches and status LEDs. -
Page 26: Memory Module Slots
Memory module slots The mainboard includes two DIMM memory module slots that support DDR3 memory. - Page 27 To install the memory modules: Disengage the locking mechanism at both ends of the DIMM slot. Align the notch at the bottom of the DIMM with the counterpart on the DIMM slot. Then insert the DIMM into the slot and push down at both ends until the locking clips snap into position.
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Page 28: Cpu Fan And System Fan Connectors
CPU fan and system fan connectors FAN1 (system) and FAN2 (CPU) run on +12V and maintains system cooling. When connecting the cable to the connector, always be aware that the red wire (positive wire) should be connected to the pin 1. The black wire is the ground wire and should always be connected to GND. -
Page 29: Atx Power Connector
ATX power connector The mainboard supports a conventional ATX power supply for the power system. Before inserting the power supply connector, always make sure that all components are installed correctly to ensure that no damage will be caused. To connect the power supply, make sure the power plug is inserted in the proper orientation and the pins are aligned. -
Page 30: Cmos Battery
CMOS battery The onboard battery provides power to the CMOS RAM. If disconnected all configurations in the CMOS RAM will be reset to factory defaults. When replacing the battery, use CR2032 coin batteries. -
Page 31: Onboard Jumpers
NBOARD UMPERS LVDS jumper settings The LVDS connectors and LVDS inverters can operate on different input voltages. Pins 1, 3, and 5 correspond to BL1. Pins 2, 4, and 6 correspond to LVDS1. BL1 power +12V +5V (default) LVDS1 power +3.3V +5V (default) -
Page 32: Clear Cmos Jumper
Clear CMOS jumper The onboard CMOS RAM stores system configuration data and has an onboard battery power supply. To reset the CMOS settings, set the jumper on pins 2 and 3 while the system is off. Return the jumper to pins 1 and 2 afterwards. Setting the jumper while the system is on will damage the mainboard. -
Page 33: Bios Setup
BIOS Setup... -
Page 34: Entering The Bios Setup Menu
BIOS S NTERING THE 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, restart the system and try again. ONTROL Keys Description Move to the previous item... -
Page 35: Getting Help
ETTING The BIOS setup program provides a “General Help” screen. You can display this screen from any menu/sub-menu by pressing <F1>. The help screen displays the keys for using and navigating the BIOS setup. Press <Esc> to exit the help screen. -
Page 36: Main Menu
AMIBIOS BIOS version number and related information. Processor This section describes the detected CPU name, speed, and number of processors. System Memory This section describes the detected memory size. System Time Use the key “+” or “-” to configure system time. The time format is [Hour : Minute : Second]. -
Page 37: Advanced Settings
DVANCED ETTINGS Available submenus include the following: • CPU Configuration • IDE Configuration • SuperIO Configuration • Hardware Health Configuration • WatchDog Configuration • ACPI Configuration • APM Configuration • USB Configuration • CRB Configuration... -
Page 38: Cpu Configuration
CPU C ONFIGURATION CPU Thermal Control This option is used to enable the internal thermal protection features inside the onboard Nano CPU. Settings Description Disabled No thermal monitoring Enables Thermal Monitor 3... -
Page 39: Ide Configuration
IDE C ONFIGURATION Available submenus include the following: • Primary IDE Master • Primary IDE Slave... -
Page 40: Ide Drives
IDE D RIVES PIO Mode The Programmed Input/Output mode is a data transfer method that uses the CPU registers to transfer data. Settings Description Auto The Programmed Input/Output mode is automatically selected. Maximum transfer rate of 3.3 MB/s. Cycle time: 600ns. Defined in ATA specification. -
Page 41: Superio Configuration
IO C UPER ONFIGURATION Serial Port Address, IRQ, and Type The SuperIO configuration menu enables the BIOS to specifically define the resources used for serial ports 1 – 4. Port Address 3F8, 3E8, 2E8, 3, 4, 10, 11 Disabled 2F8, 3E8, 2E8, 3, 4, 10, 11 Disabled 3F8, 2F8, 3E8,... -
Page 42: Hardware Health Configuration
ARDWARE EALTH ONFIGURATION The Hardware Health Configuration displays all monitored information. System Temperature is taken from a sensor (PHILIPS PMBT3904 SOT-23). H/W Health Function Settings Description Disabled Support for this feature will be unavailable. Enabled Enables the Hardware Health Monitoring device. -
Page 43: Watchdog Configuration
ATCH ONFIGURATION The WatchDog function monitors the system to ensure that the system has not frozen. If the system appears to have frozen for a specific period of time, then the WatchDog function will force the system to reboot. WatchDog Control Settings Description Disabled... -
Page 44: Acpi Configuration
ACPI C ONFIGURATION Suspend Mode Select the ACPI state used for system suspend. Settings Description S1(POS) S1/Power On Suspend (POS) is a low power state. In this state, no system context (CPU or chipset) is lost and hardware maintains all system contexts S3(STR) S3/Suspend To RAM (STR) is a power-down state. -
Page 45: Apm Configuration
APM C ONFIGURATION Power Button Mode Settings Description On/Off Pressing the power button will Instantly cause the system to power on or off. Standby Requires the user to press and hold the power button for 4 seconds before powering off the system. Suspend Pressing the power button will Instantly cause the system to enter suspend mode. -
Page 46: Resume On Ps/2 Kbc
Resume On PS/2 KBC Enables any detected keyboard activity to restore the system from a power saving mode to an active state. Settings Description PS/2 keyboard activity will be detected if the system is in S3 power saving mode. S3/S4/S5 PS/2 keyboard activity will be detected if the system is in S3/S4/S5 power saving mode. -
Page 47: Rtc Alarm Date (Days)
RTC Alarm Date (Days) This option enables the user to specify the frequency of the RTC Alarm Date recurrence. Settings Description Every Day Triggers the RTC Alarm Date daily. 1 – 31 (days) Triggers the RTC Alarm Date according to the increment specified. -
Page 48: Usb Configuration
USB C ONFIGURATION The USB configuration page detects all connected USB devices. -
Page 49: Crb Configuration
CRB C ONFIGURATION DRAM Clock Settings Description Auto Auto adjusts the DRAM clock 400 MHz Sets the DRAM clock to 400 MHz. DDR3 modules will operate at 800 MHz. 533 MHz Sets the DRAM clock to 533 MHz. DDR3 modules will operate at 1066 MHz. -
Page 50: Panel Type And Panel Type 2
Panel Type and Panel Type 2 This feature enables the user to specify the resolution of the display being used with the system. The panel types are predefined in the VGA VBIOS. Settings Description 640 x 480 800 x 600 1024 x 768 1280 x 768 1280 x 1024... -
Page 51: Vt6130 Lan Control 1
VT6130 LAN Control 1 Settings Description Enabled Enable the onboard PCIe GigaLAN controller. Disabled Disables the onboard PCIe GigaLAN controller and hides it from the operating system. LAN Boot ROM This option enables the PXE feature for booting via LAN. Settings Description Enabled... -
Page 52: Boot Settings
ETTINGS The Boot Settings menu has the following submenu: Boot Settings Configuration Configuration settings during system boot. -
Page 53: Boot Settings Configuration
ETTINGS ONFIGURATION Quick Boot Settings Description Enabled Enables the BIOS to skip certain tests in order to reduce boot up time. Disabled Support for this feature will be unavailable. Quiet Boot Settings Description Enabled Displays an OEM logo instead of POST messages. Disabled Displays POST messages. -
Page 54: Hit 'Del' Message Display
Hit ‘DEL’ Message Display Settings Description Enabled Shows the POST message that informs the user how to enter the BIOS setup menu. However, this message will be hidden if the Display Logo option is enabled. Disabled Hides the POST message that informs the user how to enter the BIOS setup menu. -
Page 55: Security Settings
ECURITY ETTINGS Change Supervisor Password This option is for setting a password for accessing the BIOS setup utility. When a password has been set, a password prompt will be displayed whenever the BIOS setup utility is launched. This prevents an unauthorized person from changing any part of the system configuration. -
Page 56: Change User Password
Change User Password This option is for setting a password for non-supervisors. When a user password is set, the Clear User Password and Password Check options will be unlocked. Clear User Password This option is only available when the user accesses the BIOS Setup Utility when the user password has been specified. -
Page 57: Exit Options
PTIONS Save Changes and Exit Save all changes to the BIOS and exit the BIOS Setup Utility. The “F10” hotkey can also be used to trigger this command. Discard Changes and Exit Exit the BIOS Setup Utility without saving any changes. The “Esc” hotkey can also be used to trigger this command. -
Page 58: Driver Installation
Driver Installation... -
Page 59: Microsoft Driver Support
ICROSOFT RIVER UPPORT The VIA EPIA-M850 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 60 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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