OG_EPIA-M850_100
Operating Guide
EPIAEPIA-M85
M850 Mainboard
EPIAEPIA-M850 Operating Guide
Table of Contents
Table of Contents .................................................................................................................................................................................................. i
VIA EPIA-M850 overview ................................................................................................................................................................................... 1
VIA EPIA-M850 layout......................................................................................................................................................................................... 2
VIA EPIA-M850 specifications.......................................................................................................................................................................... 3
VIA EPIA-M850 processor SKUs...................................................................................................................................................................... 4
VIA VX900 chipset overview ............................................................................................................................................................................. 5
VIA EPIA-M850 mounting hole and board dimensions ........................................................................................................................ 6
VIA EPIA-M850 height distribution ............................................................................................................................................................... 7
VIA EPIA-M850 side profile............................................................................................................................................................................... 8
Power consumption............................................................................................................................................................................................. 9
VIA EPIA-M850 1.6 GHz................................................................................................................................................................................. 9
A. 100% CPU usage .................................................................................................................................................................................... 9
B. Burn-in 3DMark06, 1280 x 1024 (bench mode) ......................................................................................................................... 9
C. Power DVD 8.0 (H.264 1080i, 10MB movie) ................................................................................................................................ 9
D. Power DVD 8.0 (MPEG2 1080p, 40MB movie)............................................................................................................................ 9
E. Power DVD 8.0 (WMV9 1920 x 1080, 40MB movie) ...............................................................................................................10
F. Idle ..............................................................................................................................................................................................................10
VIA EPIA-M850 1.2 GHz...............................................................................................................................................................................11
A. 100% CPU usage ..................................................................................................................................................................................11
B. Burn-in 3DMark06, 1280 x 1024 (bench mode) .......................................................................................................................11
C. Power DVD 8.0 (H.264 1080i, 10MB movie) ..............................................................................................................................11
D. Power DVD 8.0 (MPEG2 1080p, 40MB movie)..........................................................................................................................11
E. Power DVD 8.0 (WMV9 1920 x 1080, 40MB movie) ...............................................................................................................12
F. Idle ..............................................................................................................................................................................................................12
Power Specifications..........................................................................................................................................................................................13
VIA EPIA-M850 Microsoft and Linux driver support.............................................................................................................................14
Microsoft Driver Support ............................................................................................................................................................................14
Linux Driver Support .....................................................................................................................................................................................14
Contact information...........................................................................................................................................................................................15
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EPIAEPIA-M850 Operating Guide
VIA EPIAEPIA-M850 overview
The VIA EPIA-M850 Mini-ITX Mainboard is a compact native x86 mainboard optimized for advanced level system
in embedded and multimedia applications. The mainboard is based on the VIA VX900 Unified Digital Media IGP
chipset featuring the VIA Chrome9™ HC with 2D/3D graphics and video accelerators for rich digital media
performance.
The VIA EPIA-M850 includes a powerful, secure, and efficient VIA Nano™ processor. The VIA Nano processor
includes the VIA Padlock Security Engine, VIA CoolStream™ Architecture, VIA StepAhead™ Technology Suite, and
VIA TwinTurbo™ technology.
The VIA EPIA-M850 includes two 1066/800 MHz DDR3 DIMM slots that support a combined total of 8 GB. The
VIA EPIA-M850 provides support for high fidelity audio with its included VIA VT1708S High Definition Audio
codec. In addition it supports two SATA 3Gb/s storage devices.
The VIA EPIA-M850 is compatible with a full range of Mini-ITX chassis as well as FlexATX and MicroATX enclosures
®
and power supplies. The VIA EPIA-M850 is fully compatible with Microsoft and Linux operating systems.
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VIA EPIAEPIA-M850 layout
Figure 1: EPIAEPIA-M850 layout
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VIA EPIAEPIA-M850 specifications
Model
Model Name
EPIA-M850-16L
EPIA-M850-12EL
Processor
- VIA 1.6 GHz Nano processor
- VIA 1.2GHz Nano processor
Thermal Solution
- Heatsink with fan
- Fanless heatsink
Chipset
- VIA VX900 Unified Digital Media IGP Chipset
System Memory
- 2 x DDR3 1066/800 MHz DIMM slot (up to 8 GB)
VGA
- Integrated VIA Chrome9™ HC3 DX9 3D/2D Graphics and Unified Video Decoding
Acceleration
Onboard SATA
- 2 x SATA connectors with configurable pin 7 (GND/5V)
- 2 x SATA power connectors* (for 3.5-inch SATA hard drives)
Onboard LAN
- 1 x VIA VT6130 PCIe Gigabit LAN controllers
Onboard Audio
- VIA VT1708S High Definition Audio Codec
Onboard I/O Connectors
- 1 x Dual-channel 24-bit LVDS connector
- 1 x LVDS inverters
- 2 x USB pin header for 4 additional USB ports
- 1 x USB device port pin header
- 3 x RS232 COM pin headers
- 2 x Digital I/O pin headers (GPI x 8, GPO x 8)
- 1 x LPC pin header
- 1 x SMBUS pin header
- 1 x Front audio pin header
- 1 x S/PDIF out connector
- 1 x SPI pin header
- 1 x PS2 keyboard/mouse pin header
- 1 x Front-panel pin header
- 2 x Fan connectors for CPU and system fans
- 1 x ATX power connector
Expansion Slot
- 1 x 4-lane PCIe slot
Back Panel I/O
- 1 x PS2 stack (keyboard and mouse)
- 1 x RS232 COM port
- 1 x VGA port
- 1 x HDMI port
- 1 x RJ-45 Gigabit LAN port
- 4 x USB 2.0 ports
- 3 x Audio jacks for Line-out, Line-in and Mic-in
BIOS
- AMI BIOS
- 4/8Mbit SPI flash ROM
Operating System
Windows 7 / XP / XPe / CE, Linux
System Monitoring &
Management
- CPU voltage monitor
- System temperature monitor
- Wake-on-LAN, Keyboard power-on, RTC Timer power-on, Watch Dog Timer,
fan speed monitor
- System power management, AC Power failure recovery
Operating Temperature
0°C ~ 60°C
Operating Humidity
0% ~ 95% (relative humidity; non-condensing)
Form Factor
- Mini-ITX (17 cm x 17 cm)
Compliance
CE/FCC/RoHS/BSMI
* This specification is subject to change without prior notice.
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VIA EPIAEPIA-M850 processor SKUs
The VIA EPIA-M850 is available in two speed grades as follows:
•
VIA 1.6 GHz Nano processor (EPIA-M850-16L)
•
VIA 1.2 GHz Nano processor (EPIA-M850-12EL)
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VIA VX9
VX900 chipset overview
The VIA VX900 Unified Digital Media Chipset is designed to enable high quality digital video streaming and DVD
playback in a new generation of fanless, small form factor PCs and IA devices. The VIA VX900 features VIA
Chrome9™ HC3 with 2D/3D graphics and video acceleration, DDR3 1066/800 MHz support, motion compensation
and dual display support to ensure a rich overall entertainment experience.
Figure 2: VX9
VX900 as implemented in the EPIAEPIA-M850
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VIA EPIAEPIA-M850 mounting hole and board dimensions
Figure 3: EPIAEPIA-M850 mounting hole and board dimensions
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VIA EPIAEPIA-M850 height distribution
Figure 4: EPIAEPIA-M850 component placement and height distribution
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VIA EPIAEPIA-M850 side profile
Figure 5: EPIAEPIA-M850 back panel ports
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Power consumption
Power consumption tests were performed on the VIA EPIA-M850 for both processor options. The following tables
are a comprehensive breakdown of the voltage, amp and wattage values while running common system
applications.
VIA EPIAEPIA-M850 1.6 GHZ
A. 100% CPU usage
Main Board +3.3V
Measured Voltage
Measure Amp
Watts
3.26
0.5
1.630
Main Board +5V
4.93
5.6
27.608
Main Board 5VSB
5.03
0.0
0.000
Main Board +12V
12.39
0.0
0.000
Total Power Consumption
29.238
Watts
B. BurnBurn-in 3DMark06,
3DMark06, 1280 x 1024 (bench mode)
Measured Voltage
Measure Amp
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
4.96
4.7
23.312
Main Board 5VSB
5.04
0.0
0.000
Main Board +12V
12.37
0.1
1.237
Total Power Consumption
27.157
Measure Amp
Watts
C. Power DVD 8.0 (H.264 1080i, 10MB movie)
Measured Voltage
Main Board +3.3V
3.26
0.9
2.934
Main Board +5V
5.00
3.0
15.000
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.32
0.2
2.464
Total Power Consumption
20.398
Measure Amp
Watts
D. Power DVD 8.0 (MPEG2 1080p, 40MB movie)
Measured Voltage
Voltage
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
5.00
3.1
15.500
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.33
0.1
1.233
Total Power Consumption
19.341
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EPIAEPIA-M850 Operating Guide
E. Power DVD 8.0 (WMV9 1920 x 1080, 40MB movie)
Measured Voltage
Measure Amp
Main Board +3.3V
3.26
0.8
Watts
2.608
Main Board +5V
4.95
4.5
22.275
Main Board 5VSB
5.04
0.0
0.000
Main Board +12V
12.37
0.1
1.237
Total Power Consumption
26.120
Measure Amp
Watts
F. Idle
Measured Voltage
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
5.04
1.8
9.072
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.26
0.1
1.226
Total Power Consumption
12.906
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EPIAEPIA-M850 Operating Guide
VIA EPIAEPIA-M850 1.2 GHZ
A. 100% CPU usage
Main Board +3.3V
Measured Voltage
Measure Amp
Watts
3.26
0.8
2.608
Main Board +5V
4.93
3.8
18.734
Main Board 5VSB
5.04
0.0
0.000
Main Board +12V
12.48
0.0
0.000
Total Power Consumption
21.342
Measured Voltage
Measure Amp
Watts
3.26
0.8
2.608
B. BurnBurn-in 3DMark06, 1280 x 1024 (bench mode)
Main Board +3.3V
Main Board +5V
4.94
3.5
17.290
Main Board 5VSB
5.04
0.0
0.000
Main Board +12V
12.47
0.0
0.000
Total Power Consumption
19.898
Watts
Watts
C. Power DVD 8.0 (H.264 1080i, 10MB movie)
Measured Voltage
Measure Amp
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
4.97
2.3
11.431
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.43
0.0
0.000
Total Power Consumption
14.039
Watts
D. Power DVD 8.0 (MPEG2 1080p, 40MB movie)
Measured Voltage
Measure Amp
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
4.96
2.2
10.912
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.45
0.0
0.000
Total Power Consumption
13.520
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E. Power DVD 8.0 (WMV9 1920 x 1080, 40MB movie)
Measured Voltage
Measure Amp
Main Board +3.3V
3.26
0.8
Watts
2.608
Main Board +5V
4.94
3.4
16.796
Main Board 5VSB
5.04
0.0
0.000
Main Board +12V
12.48
0.0
0.000
Total Power Consumption
19.404
Measure Amp
Watts
F. Idle
Measured
Measured Voltage
Main Board +3.3V
3.26
0.8
2.608
Main Board +5V
4.99
1.6
7.984
Main Board 5VSB
5.05
0.0
0.000
Main Board +12V
12.41
0.0
0.000
Total Power Consumption
10.592
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Power Specifications
The VIA EPIA-M850 mainboard is available with an industry standard 20-pin ATX connector for connecting to the
power supply.
September 27, 2010
Pin
Signal
Pin
Signal
1
+3.3V
11
+3.3V
2
+3.3V
12
-12V
3
Gnd
13
Gnd
4
+5V
14
PS_ON
5
Gnd
15
Gnd
6
+5V
16
Gnd
7
Gnd
17
Gnd
8
PW_OK
18
-5V
9
+5V_SB
19
+5V
10
+12V
20
+5V
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VIA EPIAEPIA-M850 Microsoft and Linux driver support
MICROSOFT DRIVER SUPPORT
The VIA EPIA-M850 mainboard is compatible with Microsoft operating systems. The latest Windows 2000 and
Windows XP drivers can be downloaded from the VEPD website at www.viaembedded.com.
For embedded operating systems (Windows CE and Windows XP Embedded), the related drivers can be found in
the VIA Embedded website at www.viaembedded.com.
LINUX DRIVER SUPPORT
The VIA EPIA-M850 mainboard is highly compatible with many Linux distributions.
Support and drivers are provided through various methods including:
•
Drivers provided by VIA
•
Using a driver built into a distribution package
•
Visiting www.viaembedded.com for the latest updated drivers
•
Installing a third party driver (such as the ALSA driver from the Advanced Linux Sound Architecture
project for integrated audio)
For OEM clients and system integrators developing a product for long term production, other code and resources
may also be made available. You can submit a request to your VEPD support contact.
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Contact information
For more information on the VIA EPIA-M850 Mini-ITX mainboard contact your sales representative or visit our
website at www.viaembedded.com
AMERICA
USA
940 Mission Court
Fremont, CA 94539
Tel: (510) 683 3300
Fax: (510) 687 4654
Email: [email protected]
ASIA
TAIWAN
1F, No. 531, Zhong Zheng Road
Xindian, Taipei 23148
Tel: (02) 2218 5452
Fax: (02) 2218 5453
Email: [email protected]
CHINA
VIA Building, Tsinghua Science Park Building 7
No.1 Zhongguancun East Road
Haidian District, Beijing - 100084
Tel: 86-10-59852288
Fax: 86-10-59852299 Email:
[email protected]
JAPAN
3-15-7 Ebisu MT Bldg. 6F.
Higashi, Shibuya-ku,
Tokyo 150-0011
Tel: 81-3-54661637
FAX: 81-3-54661638
Email: [email protected]
KOREA
2F, Sangjin Bldg., 417 Dogok-Dong,
Gangnam-Gu,
Seoul 135-854
Tel: 82-2-5712986
FAX: 82-2-5712987
Email: [email protected]
EUROPE
GERMANY
In den Dauen 6
53117 Bonn
Tel: 49-228-688565-0
Fax: 49-228-688565-19
Email: [email protected]
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