On 2/2/22 22:25, Chris Albertson wrote:
They use a really tiny ATX power supply that convert the 12 volt input to
whatever the ATX pins are.   These things cost about $20   The power supply
is some small it is built into the cable
https://www.amazon.com/Power-Supply-Htpc-Mini-box-Mini-itx/
<https://www.amazon.com/Power-Supply-Htpc-Mini-box-Mini-itx/dp/B00QVK3ZPU/ref=sr_1_6?crid=1AAP9OO84LECA&keywords=mini+atx+pico+power+supply&qid=1643862229&s=electronics&sprefix=mini+atx+pico+power+supply%2Celectronics%2C124&sr=1-6>

On Wed, Feb 2, 2022 at 7:32 PM Andy Howell <[email protected]> wrote:

OK, I have another mini-itx box that uses a power supply like that. It was going to be a "carputer", but then I replaced my 20 year old van with a new one with fancy new electronics. So that project got set aside.

My existing case has a power supply, so I'll use that.

Looking at the manufacturer's web site, it does look like they are actively support them. Gene raised an issue there. I mailed the distributor. We'll see what they say.

I started down this route quite awhile ago because the version of Linux CNC supported by the manufacture (probotix.com) was ancient - 2.5. I wanted to customize it a bit and had trouble updating development libraries etc because it was so old.

If I ever get around to building my own CNC, I will not use parallel ports. Its only going to get harder to find mother boards with the ports.

Thanks,

Andy

I

On 2/2/22 20:08, Chris Albertson wrote:
I followed that link.    Wow, that is a good deal.  Especially when you
look at the power supply.   It uses a 12 volt barrel jack and a large
size
wall-wort.   The CPU burns all of 6 Watts.    It could run on battery
power.
It is good to look for low-power PCs if they are going to run all day,
every day.  The cost of power really adds up.  The bix Xeon powered HP I
use for development work costs maybe 12 cents an hour.  That is about
$400
at the end of the year.

The machine I use to power LCNC and my 3D printer is an Intel i5 and I
could justify downgrading it based on power-saving along.   I had not
realized there was such things at 6 Watt quad-cord Intel CPUs.
Chris,

Its says it uses a ATX 24pin power supply. Hope that is right, I'd
rather not have rig up an external supply for it. Though I do have a
couple that would work.

Yeah, this will run 24/7. Like lights, the kids don't turn them off.

I had a bunch of development servers in room in my garage. Noise and
heat drove me to build the room.

Thanks,

Andy

On Wed, Feb 2, 2022 at 3:35 PM Andy Howell <[email protected]> wrote:

On 2/2/22 16:31, gene heskett wrote:
On Wednesday, February 2, 2022 4:42:22 PM EST Andy Howell wrote:
I was hoping to update to a recent Debian and LinuxCNC version.
However, I have a 32bit motherboard. This is for our school, so I'm
trying to contain cost by just replacing the motherboard.

Any suggestions for a 64bit mini-itx motherboard?

Most any NEW mobo today will need a new cpu too since the sockets are
changed and probably won't take your old memory for the same reason.

ATM I'm running a normal sized Asus Z370-AII with the cheapest 6 core
i5
on it and I'm as happy as I can be. Asus makes decent stuff. Draws
about
140 watts less than the phenom it replaced.

And stay away from OLOy memory, I had a failure and they needed more
data
than I had to replace it, so I had to buy a different brand to replace
it. That's BS, so be sure, get it in writing, that you can get in
warranty replacements by simply shipping the bad one back with a
photocopy of the bill of sale. If they won't do that, go down the list
to
the next vendor.

Gene,

It looks like most of the Mini ITX boards have the cpu soldered in. I
don't imagine I'd need a lot of memory. 2GB maybe?

Looks like this will do the trick. $200 with 2GB of memory.

https://www.onlogic.com/pd14ri/

Thanks,

Andy






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