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Computer
form factors		 PCB Size
(mm)
WTX 356×425
AT 350×305
Baby-AT 330×216
BTX 325×266
ATX 305×244
LPX 330×229
NLX 254×228
microATX 244×244
DTX 244×203
FlexATX 229×191
Mini-DTX 203×170
EBX 203×146
microATX (Min. This article compares the IBM compatible Personal computer Motherboard form factors – that is the different sizes and specific or de-facto standards of major system In the area of IBM compatible Personal computers the AT form factor referred to the dimensions and layout ( form factor) of the Motherboard for In the area of IBM compatible Personal computers the AT form factor referred to the dimensions and layout ( form factor) of the Motherboard for Enhancements Low-profile - With the push for ever-smaller systems a redesigned backplane that shaves inches off height requirements is a benefit to The ATX (for Advanced Technology Extended) form factor was created by Intel in 1995. LPX (Low Profile eXtension originally developed by Western Digital was a loosely defined Motherboard format ( Form factor) widely used in the 1990s NLX (New Low Profile Extended was a form factor proposed by Intel and developed jointly with IBM, DEC, and other vendors for low profile low cost mass-marketed microATX, also known as µATX (sometimes Transliterated as mATX or uATX on Online forums is a Small form factor standard The DTX Form factor was announced to be in development by AMD on January 10, 2007. FlexATX is a PC motherboard Form factor derived from ATX. The specification was released in 1999 by Intel as an addendum to the MicroATX The DTX Form factor was announced to be in development by AMD on January 10, 2007. Embedded Board eXpandable (EBX is a standardized computer form factor microATX, also known as µATX (sometimes Transliterated as mATX or uATX on Online forums is a Small form factor standard ) 171×171
Mini-ITX 170×170
EPIC (Express) 165×115
Nano-ITX 120×120
COM Express 125×95
ETX / XTX 114×95
Pico-ITX 100×72
PC/104(-Plus) 96×90
microETXexpress
nanoETXexpress
mobile-ITX 75×45

Mini-ITX is a 17 x 17 cm low-power motherboard form factor developed by VIA Technologies. Embedded Platform for Industrial Computing (EPIC is a computer Form factor standard put forth by a combined effort from WinSystems VersaLogic Octagon Systems Micro/sys Nano-ITX is a computer Motherboard form factor first proposed by VIA Technologies at CeBIT in March 2003, and implemented in late 2005 COM Express, a Computer-on-module (COM form factor is a highly integrated and compact PC that can be used in a design application much like an integrated circuit ETX, standing for Embedded Technology eXtended, is a highly integrated and compact (3 ETX, standing for Embedded Technology eXtended, is a highly integrated and compact (3 Pico-ITX is a PC Motherboard form factor announced by VIA Technologies in January 2007 and demonstrated later the same year at CeBIT. PC/104 (or PC104) is an Embedded computer standard controlled by the PC/104 Consortium which defines both a Form factor Mobile-ITX is the smallest x86 compliant Motherboard Form factor. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A motherboard is the central or primary Printed circuit board (PCB making up a complex electronic system such as a modern Computer or Laptop VIA Technologies ( is a Taiwanese manufacturer of Integrated circuits mainly Motherboard Chipsets CPUs, and memory, and Mini-ITX is slightly smaller than microATX. microATX, also known as µATX (sometimes Transliterated as mATX or uATX on Online forums is a Small form factor standard Mini-ITX boards can often be passively cooled due to their low power consumption architecture, which makes them useful for home theater systems, where fan noise can detract from the cinema experience. The Thermal Design Power (TDP (sometimes called Thermal Design Point) represents the maximum amount of power the cooling system in a computer is required to dissipate Home cinema, also called home theater, are entertainment systems that seek to reproduce cinema quality video and audio in a private home

Contents

History

Alix.1C Mini-ITX embedded board with AMD Geode LX 800 together with Compact Flash, miniPCI and PCI slots, 44-pin IDE interface and 256MB RAM
Alix. 1C Mini-ITX embedded board with AMD Geode LX 800 together with Compact Flash, miniPCI and PCI slots, 44-pin IDE interface and 256MB RAM
A mini-ITX motherboard
A mini-ITX motherboard

In March 2001, the chipset manufacturer VIA Technologies released a reference design for an ITX motherboard, to promote the low power C3 they had bought from Cyrix, in combination with their chipsets. For other uses of Geode see Geode (disambiguation Geode is a series of X86 -compatible System-on-a-chip Microprocessors CompactFlash ( CF) is a Mass storage device format used in portable electronic devices Mini PCI is a standard for a Computer bus for attaching peripheral devices to a Computer Motherboard and is an adaptation of AT Attachment with Packet Interface ( ATA/ATAPI) is a standard interface used to connect storage devices such as Hard disks Solid-state A chipset is a group of Integrated circuits or chips that are designed to work together and are usually marketed as a single product VIA Technologies ( is a Taiwanese manufacturer of Integrated circuits mainly Motherboard Chipsets CPUs, and memory, and The VIA C3 is a family of X86 Central processing units for Personal computers designed by Centaur Technology and sold by VIA Technologies Cyrix was a CPU manufacturer that began in 1978 in Richardson Texas as a specialist supplier of high-performance math co-processors for 286 and Designed by Robert Kuo, VIA's chief R&D expert, the 215 mm x 191 mm VT6009 ITX Reference Board was demonstrated in "Information PC" and set-top box form factors. A set-top box (STB or set-top unit (STU is a device that connects to a Television and an external source of signal, turning the signal into He would later go on to design the Mini-ITX form factor. The ITX form factor was never taken up by manufacturers, who instead produced smaller boards based on the very similar 229 mm x 191 mm FlexATX form factor.

In October 2001, VIA announced their decision to create a new motherboard division, to provide standardized infrastructure for lower-cost PC form factors and focus on embedded devices. An embedded system is a special-purpose Computer system designed to perform one or a few dedicated functions often with Real-time computing constraints The result was the November 2001 release of the VT6010 Mini-ITX reference design, once again touted as an "Information PC", or low cost entry level x86 computing platform. See also X86 assembly language The generic term x86 refers to the most commercially successful Instruction set architecture in the history of Personal Manufacturers were still reticent, but customer response was much more receptive, so VIA decided to manufacture and sell the boards themselves. In April 2002 the first Mini-ITX motherboards—VIA's EPIA 5000 (fanless 533 MHz Eden processor) and EPIA 800 (800 MHz C3)—were sold to industrial customers.

Enthusiasts soon noticed the advantages of small size, low noise and power consumption, and started to push the boundaries of case modding into something else—building computers into nearly every object imaginable, and sometimes even creating new cases altogether. Case modification (commonly referred to as case modding) is the modification of a computer chassis (often just referred to as the case) or a Hollowed out vintage computers, humidors, toys, electronics, musical instruments, and even a 1960s-era toaster have become homes to relatively quiet, or even silent Mini-ITX systems, capable of many of the tasks of a modern desktop PC. A humidor is any kind of box or room with constant Humidity (and often Temperature as well used to store Cigars or pipe tobacco This article is about playthings For other uses of the term see Toy (disambiguation. Electronics refers to the flow of charge (moving Electrons through Nonmetal conductors (mainly Semiconductors, whereas electrical A musical instrument is a device constructed or modified for the purpose of making Music. The 1960s decade refers to the years from the beginning of 1960 to the end of 1969 A toaster is a small electric Kitchen appliance designed to Toast slices of Bread. A personal computer ( PC) is any Computer whose original sales price size and capabilities make it useful for individuals and which is intended to be operated

Mini-ITX boards are still primarily industrial boards, with the majority sold in bulk for less exciting applications. They are produced with a much longer sales lifetime than consumer boards (the original EPIAs are still available), something that industrial users need. Manufacturers can prototype using standard cases and power supplies, then build their own enclosures if volumes get high enough. Typical applications include playing music in supermarkets and advertising display boards. Customer divider barjpg|thumb|In supermarkets sellers periodically change prices for classes of goods in response to market conditions rather than negotiating the price of each good

To date there have been three generations of VIA's Mini-ITX boards, the original PL133 chipset boards (affectionately known as "Classic" boards), CLE266 chipset boards (adding MPEG-2 acceleration), and CN400 boards (which added MPEG-4 acceleration). MPEG-4 is a collection of methods defining compression of audio and visual (AV digital data Second generation boards include the EPIA M, MII, CL, PD, TC and MS—all tailored to slightly different markets. The EPIA SP is the first CN400 board to be released to date. All current VIA boards use their x86-compatible CPU—the C3, or its lower power Eden variant. In 2006 the next generation C7 CPU was released in new line of VIA boards. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Other manufacturers have also produced boards using the same form-factor, using VIA, but also Intel, AMD, Transmeta and PowerPC technology. Transmeta Corporation ( is a US -based Corporation that licenses low power semiconductor IP PowerPC is a RISC Instruction set architecture created by the 1991 Apple – IBM – Motorola alliance known as AIM

Intel has introduced the Desktop Board D201GLY which has the same physical dimensions of (6. 75 inches by 6. 75 inches [171. 45 millimeters by 171. 45 millimeters]) though they designated this a uATX. microATX, also known as µATX (sometimes Transliterated as mATX or uATX on Online forums is a Small form factor standard

Product codes

VIA assigns product codes according to product technical specifications. Here are two examples:

VIA EPIA ML10000G
-> Motherboard-type ML, 1000 MHz CPU, with TV-out and Green Computing (see below). 

VIA EPIA CN10000EG
-> Motherboard-type CN, 1000 MHz CPU, with TV-out, low power-consuming CPU and Green Computing. 

VIA EPIA LT15000AG
-> Motherboard-type LT, 1500 MHz CPU, with Green Computing but without TV-out.

Meanwhile most of the motherboards end with a combination of A, E and/or G.

You can find VIA EPIA motherboard-types here

See also

External links

Manufacturers

Other Websites

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