Dave, this is a great idea, use a 12v mobo and a linear power supply instead of SMPS. I am not totally sure that I want to go this far, just because it becomes a big project, but maybe I will.
I know that I hear a lot of bullshit from PC makers, but none of them really cares about reliability beyond 5 years. i On Fri, Oct 22, 2010 at 10:54 AM, Dave <[email protected]> wrote: > Just a thought, but Jetway sells a 12 volt DC supply Mini Itx > motherboard that has an onboard PS. > > If you fed that with a small linear power supply (which are low voltage, > low tech, and extremely reliable) perhaps you can avoid the crappy PC > power supply situation > that way? > > Industrial linear power supplies oftentimes go for 20+ years.. > > You might want to research the reliability of that Jetway board and if > it is very good, that might be a good solution for utmost cheap > reliability ?? > > Dave > > On 10/22/2010 11:35 AM, Igor Chudov wrote: >> OK, thanks for saving my A$$ and giving me your first hand user >> experience. I will look for something else. >> >> Which is kind of sad really. How hard is it to put together a fanless >> system that consumes at most 20 watts and has a reliable power supply? >> >> i >> >> On Fri, Oct 22, 2010 at 10:30 AM, Eric Keller<[email protected]> wrote: >> >>> Just to be more clear than I was in my previous post, if that >>> Advantech works out of the box, which is not guaranteed, I wouldn't >>> expect it to work problem-free for 5 years. Out of over 20 computers >>> I have bought from them, I don't think any of them have worked that >>> long without becoming flaky. I have been able to nurse most of them >>> to 10 years, but it has taken a lot of extra effort. >>> Eric >>> >>> >>> On Fri, Oct 22, 2010 at 11:10 AM, Igor Chudov<[email protected]> wrote: >>> >>>> Supermicros are great. I have a 5 1/2 year old Supermicro based server >>>> from Thinkmate that I keep colocated at my ISP. >>>> >>>> The hard drive is showing errors (as they are all wont to do), but the >>>> box itself is great. I will soon take it home for a refit with a new >>>> HD and SSD and Ubuntu 10.04 (It runs Fedora at this time). >>>> >>>> Guys, what do you think about advantech boxes like this one: >>>> >>>> http://buy.advantech.com/product/industrialComputer/system-3293.htm >>>> >>>> Those are fanless, have low power consumption everything, Atom CPU, >>>> and take 24 VDC in. >>>> >>>> Again, I will use it for high importance, low power needs, like to >>>> host my CVS, be a nameserver, maybe a file server from a USB attached >>>> device. I want this box to last for, say, 10 years or more. >>>> >>>> i >>>> >>>> On Fri, Oct 22, 2010 at 9:48 AM, Dave<[email protected]> wrote: >>>> >>>>> What seems to kill PCs these days are bad capacitors and bad power >>>>> supplies. >>>>> >>>>> Hard drives simply wear out after a while. A SSD with wear leveling >>>>> gets rid of that problem. >>>>> >>>>> Server grade hardware seems to last a long time - SuperMicro boards in >>>>> particular seem very well built. I sold a customer over 20 systems >>>>> and not one motherboard has failed in 3 years. However they have lost >>>>> some power supplies. >>>>> >>>>> That said, you can buy several D510MO boards for the price of a >>>>> SuperMicro motherboard and CPU. >>>>> >>>>> I would install a fan in the chassis. A really good one, preferably a >>>>> large fan that runs at a low speed. If the fan costs $3.00 keep >>>>> looking. ;-) That will help minimize board hotspots and keep the >>>>> temps down. >>>>> >>>>> Put a filter on the fan intake or plan on blowing out the computer to >>>>> get the dust out every year or so. >>>>> >>>>> With good parts - 3-5 years should be easy and 7 years or more likely IMO. >>>>> >>>>> The trick these days will be finding a power supply that is made to >>>>> last. If you can find a mini-itx board with premium capacitors - you >>>>> be in even better shape. >>>>> >>>>> Dave >>>>> >>>>> >>>>> >>>>> On 10/22/2010 12:27 AM, Igor Chudov wrote: >>>>> >>>>>> I apologize in advance that this is somewhat off topic. >>>>>> >>>>>> I am beginning to feel a need to have a PC/server, to run Linux, that >>>>>> would be extremely reliable and long lasting. >>>>>> >>>>>> I would use it for >>>>>> >>>>>> 1) Holding a personal CVS repository >>>>>> 2) Running a nameserver >>>>>> 3) SSH port tunneling >>>>>> 4) Possibly serving files from an attached external storage device. >>>>>> >>>>>> None of the above tasks requires a great deal of CPU and file writing. >>>>>> >>>>>> I will not need a GUI on this machine. >>>>>> >>>>>> My own thinking about this includes: >>>>>> >>>>>> 1) A SSD to hold the data (as I said, I do not anticipate a lot of >>>>>> repetitive writes). >>>>>> 2) A fanless power supply >>>>>> 3) A very low power consumption CPU, like Intel ATOM. >>>>>> >>>>>> The objective here is low power, cool temperature, and absence of any >>>>>> rotating parts. >>>>>> >>>>>> Any thoughts on this? >>>>>> >>>>>> Thanks guys, and again, sorry for the OT post. >>>>>> >>>>>> i >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> Nokia and AT&T present the 2010 Calling All Innovators-North America >>>>>> contest >>>>>> Create new apps& games for the Nokia N8 for consumers in U.S. and >>>>>> Canada >>>>>> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in >>>>>> marketing >>>>>> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >>>>>> http://p.sf.net/sfu/nokia-dev2dev >>>>>> _______________________________________________ >>>>>> Emc-users mailing list >>>>>> [email protected] >>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>>>> >>>>>> >>>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> Nokia and AT&T present the 2010 Calling All Innovators-North America >>>>> contest >>>>> Create new apps& games for the Nokia N8 for consumers in U.S. and Canada >>>>> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in >>>>> marketing >>>>> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >>>>> http://p.sf.net/sfu/nokia-dev2dev >>>>> _______________________________________________ >>>>> Emc-users mailing list >>>>> [email protected] >>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>>> >>>>> >>>> ------------------------------------------------------------------------------ >>>> Nokia and AT&T present the 2010 Calling All Innovators-North America >>>> contest >>>> Create new apps& games for the Nokia N8 for consumers in U.S. and Canada >>>> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in >>>> marketing >>>> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >>>> http://p.sf.net/sfu/nokia-dev2dev >>>> _______________________________________________ >>>> Emc-users mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>> >>>> >>> ------------------------------------------------------------------------------ >>> Nokia and AT&T present the 2010 Calling All Innovators-North America contest >>> Create new apps& games for the Nokia N8 for consumers in U.S. and Canada >>> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing >>> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >>> http://p.sf.net/sfu/nokia-dev2dev >>> _______________________________________________ >>> Emc-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >>> >> ------------------------------------------------------------------------------ >> Nokia and AT&T present the 2010 Calling All Innovators-North America contest >> Create new apps& games for the Nokia N8 for consumers in U.S. and Canada >> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing >> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store >> http://p.sf.net/sfu/nokia-dev2dev >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> > > > ------------------------------------------------------------------------------ > Nokia and AT&T present the 2010 Calling All Innovators-North America contest > Create new apps & games for the Nokia N8 for consumers in U.S. and Canada > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store > http://p.sf.net/sfu/nokia-dev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Nokia and AT&T present the 2010 Calling All Innovators-North America contest Create new apps & games for the Nokia N8 for consumers in U.S. and Canada $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store http://p.sf.net/sfu/nokia-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
