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Operating Guide
EPIA LT-Series Mini-ITX Mainboard
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EPIA LT-Series Operating Guide
Table of Contents
Table of Contents............................................................................................................................................................................. i
VIA EPIA LT-Series Overview.....................................................................................................................................................1
VIA EPIA LT-Series Layout..........................................................................................................................................................2
VIA EPIA LT-Series Specifications..............................................................................................................................................3
VIA EPIA LT Processor SKUs...................................................................................................................................................... 4
VIA CX700 Chipset Overview.......................................................................................................................................................5
VIA EPIA LT-Series I/O Back Panel Layout............................................................................................................................... 6
VIA EPIA LT-Series Layout Diagram & Mounting Holes ......................................................................................................... 7
VIA EPIA LT-Series Layout Diagram & Height Distribution ................................................................................................... 8
Power Consumption.......................................................................................................................................................................9
VIA EPIA LT15000G (WITH C7) ................................................................................................................................................. 9
VIA EPIA LT15000G (
Power Specifications.....................................................................................................................................................................13
VIA EPIA LT-Series Microsoft and Linux Driver Support...................................................................................................... 14
MICROSOFT DRIVER SUPPORT...................................................................................................................................................... 14
L
INUX DRIVER SUPPORT..............................................................................................................................................................14
Contact...........................................................................................................................................................................................15
WITH C7-D)........................................................................................................................................... 11
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EPIA LT-Series Operating Guide
VIA EPIA LT-Series Overview
The VIA EPIA LT-Series Mini-ITX Mainboard is an ultra compact native x86 platform
optimized for today's demanding embedded and productivity applications. The mainboard is
based on the VIA CX700 chipset featuring an embedded hardware MPEG-2 accelerator and
integrated VIA UniChrome™ Pro II 3D/2D graphics for rich digital media performance. With
the sizable memory bandwidth of DDR2 533MHz SDRAM DIMM and the high data transfer
speed of ATA-133 and further enhanced by support of VIA VT1708A High Definition Audio
codec, the VIA EPIA LT-Series delivers the increased performance levels required by today’s
embedded digital media applications.
The latest in high-bandwidth connectivity is supported with 4 USB 2.0 ports, as well as a
COM port and has two 10/100 Fast Ethernet ports for extended broadband connectivity.
The VIA EPIA LT-Series also has one PCI slot for expandability options. The VIA EPIA LTSeries is compatible with a full range of Mini-ITX chassis as well as FlexATX an d MicroATX
enclosures and power supplies.
The VIA EPIA LT-Series is fully compatible with Microsoft® and Linux operating systems and
is available in a variety of configurations, including the latest VIA C7
processor for small, low power and secure x86 processor platforms.
®
V4 Bus NanoBGA2
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VIA EPIA LT-Series Layout
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EPIA LT-Series Operating Guide
VIA EPIA LT-Series Specifications
Model Name
Processor
- EPIA - LT15000G - EPIA LT10000EG
- VIA C7® 1.5GHz NanoBGA2
processor
Chipset
System Memory
- VIA CX700 Advanced All-in-One system processor
- 1 DDR2 533 DIMM slot
- Up to 1GB memory size
VGA
- Integrated VIA UniChrome™ Pro II 3D/2D AGP graphics with
MPEG-2 video decoding acceleration
Expansion Slots
Onboard IDE
Onboard Serial ATA
Onboard LAN
- 1 PCI slot
- 1 UltraDMA 133/100/66 connector
- 2 SATA connectors
- 1 VIA VT6107 10/100 Mbps Fast Ethernet Controller
- 1 VIA VT6107 10/100 Mbps Fast Ethernet Controller / 1 VIA
VT6122 Gigabit LAN Controller (Manufacturing Option)
Onboard Audio
Onboard I/O Connectors
- VIA VT1708A High Definition Audio Codec
- 3 Serial port pin headers for COM2/3/4 (with 5V/12V select
jumper)
- 1 Digital I/O pin header
- 1 USB pin header for 2 USB 2.0 ports
- 1 LPC connector
- 1 SMBus & Security pin header
- 1 Front Panel Audio pin header
- 1 Parallel Port pin header
- 1 LVDS Module connector
- 1 LVDS Panel Power Selector pin header
- 1 LVDS Inverter pin header
- 1 CIR pin header (Convertible to KB/MS)
- 2 Fan connector for CPU fan & SYS fan
- 1 Front Panel connector
- 1 ATX Power connector
- 1 TV-out pin header (Manufacturing Option with CX700M2)
Back Panel I/O
- 1 VGA connector
- 1 COM port
- 2 RJ45 LAN ports
- 4 USB 2.0 ports
- 3 Audio jacks: Mic-In, Line-In & Line-Out
- 1 PS2 KB/MS connector
BIOS
Operating System
System Monitoring &
Management
AMI BIOS, LPC 2/4/8Mbit flash memory
Windows 2000/XP, Linux, Win CE, XPe
- AC Power failure recovery
- RTC timer power-on, Wake-on-LAN/Keyboard/Mouse
- Watch Dog Timer
Operating Temperature
Operating Humidity
Form Factor
0°C ~ 50°C
0% ~ 95% (relative humidity; non-condensing)
- Mini-ITX (6-layer)
- 17cm x 17cm
* The specification is subject to change without prior notice.
- VIA C7® 1.0GHz NanoBGA2
processor
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VIA EPIA LT Processor SKUs
The VIA EPIA LT-Series is available in two speed grades as follows:
• 1.5 GHz VIA C7
• 1.0 GHz VIA C7
®
NanoBGA2 Processor
®
NanoBGA2 Processor
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VIA CX700 Chipset Overview
The VIA CX700 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 CX700
features the embedded VIA UniChrome™ Pro 2D / 3D MPEG-2 acceleration, DDR2 533 /
400MHz support, motion compensation and duo-view support to ensure a rich overall
entertainment experience. Outstanding connectivity features include USB 2.0, 10/100 LAN
and ATA/133.
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VIA EPIA LT-Series I/O Back Panel Layout
The EPIA LT’s ultra compact 17cm x 17cm, integrated design supports all the standard
legacy x86 connectivity options as well as PS/2 Mouse port, PS/ 2 Keyboard port, COM port,
VGA port, RJ45 LAN ports, USB 2.0 ports, and audio jacks.
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VIA EPIA LT-Series Layout Diagram & Mounting Holes
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VIA EPIA LT-Series Layout Diagram & Height Distribution
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EPIA LT-Series Operating Guide
Power Consumption
Power consumption tests were carried out comparing the VIA EPIA LT15000G (running with
the VIA 1.5GHz C7
®
/ C7®-D V4 Bus NanoBGA2 processor). The following tables are a
comprehensive breakdown of the EPIA platform’s voltage, amp and wattage values while
running common system applications.
VIA EPIA LT15000G (with C7)
A. IDEL Status
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.336 1.394 4.650
Main Board +5V 5.029 1.303 6.553
Main Board 5VSB 5.027 0.103 0.518
Main Board +12V 12.146 0.254 3.085
Main Board Power Consumption
B. MP3 Playing – Media Player
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.310 1.395 4.617
Main Board +5V 4.980 2.392 11.912
Main Board 5VSB 5.000 0.125 0.625
Main Board +12V 12.162 0.243 2.955
Main Board Power Consumption
C. DVD Playing – Power DVD 5.0
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.298 1.427 4.706
Main Board +5V 4.970 2.146 10.666
Main Board 5VSB 4.987 0.120 0.598
Main Board +12V 12.151 0.239 2.904
Main Board Power Consumption
D. Running Network Application – Files Copy (VT6107-1)
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.324 1.381 4.590
Main Board +5V 5.013 1.430 7.169
Main Board 5VSB 5.015 0.108 0.542
Main Board +12V 12.142 0.244 2.963
Main Board Power Consumption
14.806
20.109
18.874
15.264
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E. Running Network Application – Files Copy (VT6107-2)
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.317 1.389 4.607
Main Board +5V 5.004 1.532 7.666
Main Board 5VSB 5.007 0.111 0.556
Main Board +12V 12.138 0.246 2.986
Main Board Power Consumption
F. Run C.C. Winstone 2004
15.815
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.289 1.373 4.516
Main Board +5V 4.952 2.643 13.088
Main Board 5VSB 4.978 0.131 0.652
Main Board +12V 12.148 0.244 2.964
Main Board Power Consumption
G. S3 Mode
21.220
Measured Voltage Measured Amp. Watts
Main Board +3.3V 0.000 0.000 0.000
Main Board +5V 0.000 0.000 0.000
Main Board 5VSB 5.079 0.173 0.879
Main Board +12V 0.000 0.000 0.000
Main Board Power Consumption
0.879
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VIA EPIA LT15000G (with C7-D)
A. IDEL Status
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.299 1.392 4.592
Main Board +5V 4.993 1.020 5.093
Main Board 5VSB 4.987 0.104 0.519
Main Board +12V 12.090 0.256 3.095
Main Board Power Consumption
B. MP3 Playing – Media Player
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.215 1.403 4.511
Main Board +5V 4.880 2.210 10.785
Main Board 5VSB 4.900 0.136 0.666
Main Board +12V 12.052 0.256 3.085
Main Board Power Consumption
C. DVD Playing – Power DVD 5.0
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.185 1.467 4.672
Main Board +5V 4.853 1.958 9.502
Main Board 5VSB 4.869 0.131 0.638
Main Board +12V 12.026 0.255 3.067
Main Board Power Consumption
D. Running Network Application – Files Copy (VT6107-1)
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.224 1.423 4.588
Main Board +5V 4.912 1.254 6.160
Main Board 5VSB 4.911 0.115 0.565
Main Board +12V 12.027 0.258 3.103
Main Board Power Consumption
13.299
19.047
17.879
14.416
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E. Running Network Application – Files Copy (VT6107-2)
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.214 1.430 4.596
Main Board +5V 4.900 1.338 6.556
Main Board 5VSB 4.901 0.120 0.588
Main Board +12V 12.021 0.259 3.113
Main Board Power Consumption
F. Run C.C. Winstone 2004
14.853
Measured Voltage Measured Amp. Watts
Main Board +3.3V 3.182 1.381 4.394
Main Board +5V 4.850 2.087 10.122
Main Board 5VSB 4.867 0.133 0.647
Main Board +12V 12.014 0.258 3.100
Main Board Power Consumption
G. S3 Mode
18.263
Measured Voltage Measured Amp. Watt s
Main Board + 3.3V 0.000 0.000 0.000
Main Board + 5V 0.000 0.000 0.000
Main Board 5VS B 5.076 0.185 0.939
Main Board + 12V 0.000 0.000 0.000
Main Board Pow er Consumption
0.939
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Power Specifications
The EPIA LT utilizes an industry standard 20-pin ATX main connector to the power supply.
Due to the EPIA LT platform’s ultra low power requirements a 90 – 120 Watt ATX power
supply is ample for even the heaviest of multimedia system applications.
1 +3V 11 +3V
2 +3V 12 -12V
1
2
3
4
5
6
7
8
9
11
12
13
14
3 Gnd 13 Gnd
4 +5V 14 PS_ON
5 Gnd 15 Gnd
6 +5V 16 Gnd
17
18
19
2010
7 Gnd 17 Gnd
8 PW_OK 18 -5V
9 5V_SB 19 +5V
10 +12V 20 +5V
Note: NC = no connection
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VIA EPIA LT-Series Microsoft and Linux Driver Support
Microsoft Driver Support
VIA EPIA LT series offers full support for the complete range of Microsoft operating systems.
For standard operating systems, Windows 98/Me/2000/XP latest drivers downloads can be
found in the VEPD website at www.viaembedded.com
For embedded operating systems, Windows CE.NET and XP Embedded related driver
supports can be found in the VIA Arena website at www.viaarena.com
Linux Driver Support
VIA EPIA LT mainboards have a very high degree of support under Linux.
Support and drivers are provided through various methods including:
• Drivers provided by VIA
– Using a driver built into a distribution package
– Visiting VIA Arena website at www.viaarena.com
basis
• 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 either through
the Developers portal
VIA can work further towards providing additional drivers to suite your specific needs.
on VIA Arena, or through your VEPD support contact. Alternatively,
.
.
for latest updates on a monthly
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Contact
For more information on the VIA EPIA LT-Series Mini ITX Mainboard contact your sales
representative or visit our website at www.viaembedded.com
USA
440 Mission Court, Suite 220
Fremont, CA 94539
Tel: (510) 683 3300
Fax: (510) 687 4654
Email: vpsd_sales@viatech.com
Germany
Mottmann Strasse 12
53842 Troisdorf-Oberlar
Tel: 2241 397780
Fax: 2241 3977819
Email: sales@via-tech.de
Taiwan
1F, No. 531, Chung Cheng Road
Hsin Tien, Taipei
Tel: (02) 2218 5452
Fax: (02) 2218 5453
Email: mkt@via.com.tw
China
6F, DAscom Tower
9 Shangdi East Road
Haidian District
Beijing, 100085
Tel: 10 6296 3088
Fax: 10 6297 2929
Email: vpsdbj@viatech.com.cn
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