I would have to disagree with that statement. AFAIK, The Mini-ITX motherboard format calls for the regular ATX style power connector, requiring most of the same voltages as a regular size ATX motherboard (sometimes they drop the -5). What most mini-ITX solutions vendor do is provide something like this product <http://www.mini-box.com/s.nl/it.A/id.417/.f?sc=8&category=13> , which is a DC-DC power supply that runs from a wide range of DC input voltages and plugs right into the ATX power connector on the motherboard. Most of the smaller form factor motherboard don't need much more than 80-90 Watts to run, leaving a little left over for a CD drive or something. Check out mini-box.com and mini-itx.com for ideas.
OTOH, there are motherboard manufacturers that provide single voltage mobos, but these are generally custom products intended for the deep-embed market, rather than the general small pc market. We use a single voltage custom PC motherboard product from this guy: http://pcengines.ch/ Since our product is a proprietary device, it doesn't show up on his site, but essentially we needed a lowend pc (~300MHz) with six comm ports. He fixed us right up. ...~Steve> KB4OID -----Original Message----- From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Mike Morris WA6ILQ Sent: Friday, May 25, 2007 12:39 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Re: UPS At 06:36 AM 05/25/07, you wrote: >On Thu, 24 May 2007 22:27:21 -0500, Paul Finch wrote: > > >Lot of inefficiency when you have to chop up battery and convert > >it to 120 volts AC. > >I agree with you Paul, but more and more repeater sites >are being fitted with computers (for IRLP), so using the >UPS will allow you to power other equipment that doesn't >use 12 volts. > >Tedd Doda, VE3TJD >Lazer Audio and Electronics >Baden, Ontario, Canada > >www.ve3tjd.com (personal) >www.eraradio.ca (Linked repeater system) The Mini-ITX format motherboards run on +12 and are ideal for that environment. In fact, the "embedded IRLP" node design is based on that design and have no hard drives.... they boot from a thumb drive and run in RAM, and support both IRLP and EchoLink in one box. Mike WA6ILQ Yahoo! Groups Links
