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Sources Of Information

Toaster RAID Returns, Better Than Ever

I already had the external power supplies in tow that were suitable for the project, but my experience with mini-ITX motherboards was limited and there was a lot I had to learn. I needed to find out about the available motherboards, which firms made and sold them, and where I could buy them locally. Finding a brick-and-mortar vendor in San Mateo or Santa Clara County California seemed preferable to placing an order over the Web with a supplier in some remote or out-of-state location. It was not evident at first what would be the best power supply to obtain and I needed to find that out.

Finding the right motherboard and power supply turned out to be a challenge. There are many small motherboards out there, but many had only one or two SATA interfaces. There were few motherboards with a power supply to match. It took a lot of reading and research to find the right external power supply.

The Magazines

The best magazines to read are "Embedded Computing Design," "PC/104 and Small Form Factors," and "Linux Journal." All the key makers of SBCs advertise and write in these journals. The August 2008 resource guide in "Embedded Computing Design" was especially useful, with in-depth profile write-ups of all the manufacturers, suppliers, and vendors. There are lots of other sources of good information, in print, and on the Web, but the place to start is with these three publications. The articles and advertisers led me to the sources of components needed to make a good Toaster RAID with the right parts.

Hardware Vendor Websites

The magazines revealed good leads for manufacturers, motherboard models, power supplies, and vendors of the pieces needed for a new Toaster RAID. I went to many Web sites to learn more and to study product offerings. The sites I found to be the most informative and useful were:

  • Pollywell Computers in South San Francisco is where I finally bought the motherboard, power supply, CPU, and memory for the Toaster RAID that is the subject of this article (
  • Portwell in Fremont, Calif., markets a large collection of mini-ITX boards (
  • Jetway Compter in Fremont makes the motherboard that is the subject of this article (
  • AMD's, Intel's, and VIA's Web sites all have mini-ITX product offerings. VIA also makes nano-ITX and pico-ITX boards.
  • General Electric Fanuc is a joint venture between GE and Fanuc. It offers a wide variety of industrial SBCs but unfortunately the products did not offer SATA and multiple Gigabit Ethernet ports needed for storage devices, so I once again used a GE toaster. But General Electric Fanuc's site is interesting (
  • Kontron has a wide selection of mini-ITX motherboards (
  • sells a nice variety of AMD, Intel, and VIA mini-ITX motherboards and also offers power supplies (
  • is a news and information portal about mini-ITX and other small form-factor system motherboards. There is a store on the site that offers mini-ITX boards, power supplies, cases, and other accessories. The information about available power supplies from this site is useful, as well.  There is a section about customer case-mod projects using small motherboards, including computers in toasters, cigar boxes, waffle irons, and more (
  • Logic Supply is another mini-ITX specialty supplier. It offers a large variety of motherboards from major manufacturers. It carries the VIA NAS 7800-15LST, which was the only mini-ITX board I could find with eight SATA ports. There is a large collection of external power supplies (
  • Trenton Technology has an interesting offering of PICMG SBCs. None of its products seemed to fit the requirements for RAID 5 in a toaster but the products are interesting and it helped me learn (
  • Mobile Computing Solutions and Global American have rich collections of mini-ITX product offerings and accessories ( and

While researching this project, I found some sites that were interesting and amusing, but not directly germane to constructing a file server in a toaster. Still, the following sites deserve mention:

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