Product Overview; Key Features And Benefits; Via Quadcore E-Series/Via Eden X4/Via Eden X2; X4/Via Eden ® X2 - VIA Technologies EPIA-M920 User Manual

1. Product Overview

The VIA EPIA-M920 Mini-ITX mainboard is a high performance native x86 mainboard designed mainly for
embedded, POS, Kiosk, ATM and digital media application. It can also be used for various domain
applications such as desktop PC, industrial PC, etc. The mainboard is based on the VIA VX11H MSPIII
(Media System Processor) chipset that features the VIA C-640 DX11 with 2D/3D graphics and video
accelerators for rich digital media performance.
The VIA EPIA-M920 includes a powerful, secure, and efficient VIA Eden
®
Eden X4 processor. The VIA Eden
™
CoolStream Architecture, VIA StepAhead
the VIA QuadCore E-Series/VIA Eden
™
CoolStream Architecture and VIA PowerSaver
The VIA EPIA-M920 has two 1333 MHz DDR3 SODIMM slots that support up to 16GB memory size. The
VIA EPIA-M920 provides support for high fidelity audio with its included 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-M920 is fully compatible with Microsoft
systems.

1.1. Key Features and Benefits

1.1.1. VIA QuadCore E-Series/VIA Eden
The VIA QuadCore E-Series/VIA Eden
two dies. It is based on advanced 28 nanometer process technology packed into an ultra-compact
NanoBGA2 package measuring 21mm x 21mm. The VIA QuadCore E-Series/VIA Eden
delivers a superb performance on multi-tasking, multimedia playback, productivity and internet browsing
in a low power budget.
®
The VIA Eden X2 is a 64-bit superscalar x86 dual core processor based on a 40 nanometer process
technology. Packed into an ultra-compact NanoBGA2 package (measuring 21mm x 21mm), it delivers an
energy-efficient yet powerful performance, with cool and quiet operation.
Note:
For Windows 7 and Windows Server 2008 R2 users only:
If encounter the issue such as the operating system recognize the VIA Dual-Core CPU as two processors instead
of one processor with two cores. Download and install the hotfix released by Microsoft to address this issue.
The downloadable hotfix is available at
VIA QuadCore E-Series, VIA Eden
applications such as industrial PCs, test machines, measuring equipment, digital signage, medical PCs,
monitoring systems, gaming machines, in-vehicle entertainment, etc.

1.1.2. VIA VX11H MSPIII Chipset

The VIA VX11H is the fourth generation, highly integrated Media System Processor which provides high
quality digital video streaming and high definition video playback. It features the VIA C-640 DX11 2D/3D
graphics and video processor, High Definition video decoder and supports DDR3 1333 controller and USB
3.0 interface.
The VIA VX11H offers superb-graphics performance, immersive visual experience, and supports DirectX
11.0 that allows realistic 3D rendering and increased visual acuity. It is also based on a highly
sophisticated power efficient architecture that enables such rich integration into a compact package.
®
X2 processor includes the VIA Padlock Security Engine, VIA
™
Technology Suite, and VIA TwinTurbo
®
X4 processor includes the VIA AES Security Engine, VIA
™
Technology.
®
X4 is a 64-bit superscalar x86 quad core processor combine on
http://support.microsoft.com/kb/2502664
® ®
X4 and Eden X2 processors are ideal for embedded system
EPIA-M920 User Manual
®
X2/VIA QuadCore E-Series/VIA
™
technology. Whereas
®
and Linux operating
® ®
X4/VIA Eden X2
®
X4 processor
1