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candela (millicandela) to lumen conversion wizard
This calculator allows you to do an approximate conversion between millicandelas (or candelas) and lumens for an LED where you know the beam angle. The reason it's approximate is because the specs don't usually include information about how the luminous intensity (in candelas) was measured. This calculator is perhaps most useful in comparing the light output of LEDs with different beam angles. To briefly explain the math the wizard does, it simply applies the conversion 1 candela = 1 lumen/steradian. To do this, it converts the beam angle you supply into a solid angle in units of steradians. The likely thing for a manufacturer to do is to list their luminous intensity spec in the most favorable way possible.Dernière bombe de chez Intel, la DG45FC est une carte au format Mini-ITX (17 cm de coté) de dernière génération embarquant le chipset G45 avec son circuit graphique DMA X4500 HD. Ce dernier propose une accélération matérielle des formats H.264, VC-1 et MPEG-2 et le moteur post-traitement ClearVideo. La carte embarque justement des connectiques vidéo DVI-I (adaptateur VGA compatible) et HDMI en version 1.3 selon les spécifications, mais attention cela ne veut pas dire que la carte gère le transport en bitstream des pistes audio sans pertes. Il faudra attendre un retour plus complet sur le chipset G45 pour s'en assurer.
La carte mère Mini-ITX Intel G45 ultime, ou presque !
Morum sur mini-ITX et HD
il y a des alimentation spéciales minuscules de faible puissance, la plus petite étant la pico-PSU (va voir sur cartft.com ou mini-itx.com ) oui, l'adaptateur en question s'appel un convertisseur DC/DC. la pcio-PSU est justement un convertisseur DC/DC. une vrai alim sans bloc externe ? flex-ATX, démonté.
FlexATX is a motherboard form factor derived from ATX . The specification was released in 1999 by Intel as an addendum to the microATX specification. It uses a subset of the motherboard mounting holes required for microATX and the same I/O plate system as ATX and microATX. FlexATX specifies that a motherboard be no larger than 9.0" x 7.5" (229 x 191 mm), and can have no more than four expansion slots . The term is used also for the form factor of a PSU that is smaller than a standard ATX PSU and is used in small cases that host a FlexATX or Mini ITX motherboard or in thin rackmount servers such as 1U racks . [ 1 ] ATX motherboard size comparison; rear is on left.
Tailles cartes meres
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Test VIA EPIA EX15000G
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GeeXboX, transformer son PC en platine multimédia : Compatibilité du matériel
Note: The resolution for PAL is typically listed as 720x576, which is the 1.067 aspect pixel ratio. The square APR for PAL is 768x576. Similarly, the resolution for NTSC is typically listed as 720x480; of which the first and last 8 columns are "overscan" to avoid analog transients, and not normally visible. "Square-pixel" NTSC would be 640x480. NTSC and PAL screens are both approximately 4:3. [ edit ] Summary
Image:Video Standards.svg - Wikipédia
Intel D2550MUD2 'Cedar Trail' motherboard with passively-cooled dual core Intel Atom D2550 processor running at 1.86GHz and Intel NM10 Express chipset. Integrated Intel GMA 3650 Video with dual independent VGA and DVI-D interfaces and internal LVDS connector; Up to 4GB of system memory (8GB possible under Linux*); Intel 82574L Gigabit Ethernet Controller; 5.1 Channel Intel High Definition Audio (Realtek ALC662 audio codec); PCI & Mini-PCI Express connectors. This board can be considered a replacement/upgrade for the Intel D510MO and D525MW boards (though please consider the port and chipset differences). It directly replaces the D2700MUD board. Retail Unit complete with SATA cable, layout and back-panel stickers, product guide, Intel Express Installer driver and software DVD.
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Intel D2550MUD2 'Cedar Trail' motherboard with passively-cooled dual core Intel Atom D2550 processor running at 1.86GHz and Intel NM10 Express chipset. Integrated Intel GMA 3650 Video with dual independent VGA and DVI-D interfaces and internal LVDS connector; Up to 4GB of system memory (8GB possible under Linux*); Intel 82574L Gigabit Ethernet Controller; 5.1 Channel Intel High Definition Audio (Realtek ALC662 audio codec); PCI & Mini-PCI Express connectors. This board can be considered a replacement/upgrade for the Intel D510MO and D525MW boards (though please consider the port and chipset differences). It directly replaces the D2700MUD board.
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Mini-ITX Motherboards You may also be interested in Pico-ITX motherboards Mini-ITX Motherboard comparison chart
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Gigabyte E350N Offer Bundles February 27, 2013 <img src="http://static.mini-itx.com/store/images/E350N-montage.jpg" width="400" height="180" class="img1" /> We have put together an amazing value components bundle consisting of the powerful 1080p playback-capable Gigabyte E350N board coupled with a choice of two tiny enclosures and up to 16GB DDR3 memory. We can build and test your bundle and will additionally install OpenELEC XBMC Media Center for you for no extra charge. The best part is the price: from £150 delivered to the UK inc. VAT if you have a 2.5in drive you can repurpose!Informations sur le contrôleur graphique Intel® GMA 900
La simplicité d’une solution graphique intégrée à la plate-forme permet, en entreprise, de réduire les coûts de qualification des configurations et de gestion du parc micro-informatique. Cette caractéristique en fait l’un des composants essentiels qui participent au programme Intel SIPP (Intel Stable Image Platform Program) pour la plate-forme 2004 à destination des PC de bureau. Il procure toutes les performances et les fonctionnalités d’affichage dont les utilisateurs d’entreprise sont susceptibles d’avoir besoin sur toute la durée d’utilisation de leur configuration, avec un rapport performances/prix hors pair et une fiabilité confirmée. Grâce à sa faible consommation électrique, une meilleure gestion thermique, des niveaux sonores plus confortables et un coût de revient plus avantageux, cette solution graphique est également synonyme de rentabilité.Make Projects: Small Form Factor PCs | O'Reilly Media
If you are new to Linux and BSD the instructions should be very easy to follow, but don't be surprised if you have to do some searches on the web if you run into unexpected snags. This book is a very good resource, but I do not think that any book like this can be a complete treatise on the subject it attempts to cover. The material in the book is quite up to date, but the material covered ages very quickly. For example, the authors use a 200 Mhz gumstix board with built-in Bluetooth that I have not been able to find. There is a 400 Mhz version, but no 200 Mhz version.Select Shipping Country Thank You for Choosing Edmund Optics. Please select your shipping country to get started. This will allow Edmund Optics® to display the most accurate regionalized product, pricing, and contact information for the country to which you are shipping.