Why not just use a raspberry pi? Uses a whole 2w at idle. Ntp might bump that to 2.01.
On Aug 19, 2012, at 13:06, Chris Albertson <albertson.ch...@gmail.com> wrote: > This sounds like a newer version of the board I use. The thing to check > is if the CPU heat sink has a fan or not. Having no fan indicates that the > CPU is not using much power. It also removes a common failure point. > > To reduce power even more. On an NTP server you can unplug the keyboard, > mouse and monitor and if you have other servers on the LAN configure one as > a "boot server" and have it run TFTP then your NTP server does not need a > disk drive. It can run off a "RAM disk". This makes it very fast, even > faster than a SSD and it saves some cash. Makes backup easy too as there > is nothing to backup if there is no local storage. If you don't have a > TFTP server use a small notebook size disk drive. Even a 80GB drive is > overkill. You can also boot from a USB thumb drive and run a RAM disk. > > It is worth it to look at your electric bill to find how much you pay for > power. Here I'm at $0.21 per KWH. A full size PC server can use 250W or > more. There are 8760 hours in a year so you get $460 per year to run that > 250W PC. The little Atom will pay for itself in just a few months. The > first time I did that calculation, my "power hogs" where given away. > > > > > On Sun, Aug 19, 2012 at 7:42 AM, Stan, W1LE <stanw...@verizon.net> wrote: > >> Hello The Net, >> >> For your consideration: >> >> The INTEL model DN2800mt ITX mother board uses a ATOM CPU and >> draws about 11 watts of AC power when configured as: >> (I have not measured DC power yet.) >> >> 30 GB OCZ Nocti mSATA solid state drive, >> WIN7 pro, 64 bit, USB keyboard and mouse >> APEX MI-0008 case. >> >> Also has: >> parallel port available on mother board, you extend to a connector >> RS232 serial port available on mother board, you extend to a connector >> a single DC power supply from 11 to 19 V DC. >> 1 each PCIe expansion port, I will use with a premium 4 channel sound card >> SATA ports available for HDD/SDD, >> USB ports are available, >> Motherboard sound, and Gigalan. >> >> I have not played with NTP, (yet), but it sounds like a decent time nut >> technical challenge. >> >> My application is for a remote site with only 13V DC power available from >> PV/batteries. >> Then use fiber ethernet to get off site. >> >> The INTEL website would have further details. >> >> Stan, W1LE Cape Cod FN41sr >> >> >> >> >> ZZZZz >> >> >> ______________________________**_________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/** >> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> >> and follow the instructions there. >> > > > > -- > > Chris Albertson > Redondo Beach, California > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.