Any good USFF PC's?

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27 Aug 2016 09:43 - 27 Aug 2016 09:55 #79536 by terkaa
Any good USFF PC's? was created by terkaa
Has anyone found a good UltraSmallFormFactor PC suitable for LinuxCNC use? It should have either PCI or PCIe slot. Best I have found is Lenovo uk.pcmag.com/lenovo-thinkcentre-m90p-usf...hinkcentre-m90p-usff

Tero
Last edit: 27 Aug 2016 09:55 by terkaa.

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27 Aug 2016 12:25 #79545 by tommylight
Replied by tommylight on topic Any good USFF PC's?
I am currently writing this on a DELL Optiplex 755, USFF with a huge power supply brick attached.
This is the one i use mostly for anything related to .......a lot of things, including running and testing Linuxcnc machines. Have Linux Mint with RT Preempt on it, still has some nice latency times. It was better with Ubuntu 10.04 but not by much, so i am more than happy with it ( especially since i paid 45 Euro for it).
Attached is a latency test i just did for over 40 minutes, while doing all sorts of things on it ( just firefox has over 30 tabs opened with facebook, instagram, this forum, cnczone, ebay, and youtube playing some epic music )
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27 Aug 2016 12:31 #79546 by terkaa
Replied by terkaa on topic Any good USFF PC's?
But it does not have PCI or PCIe slot?


Tero

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27 Aug 2016 13:27 #79551 by tommylight
Replied by tommylight on topic Any good USFF PC's?
No it does not, but there is the same model with a bit bigger case that has PCI and PS in the case, the same hardware just in a bigger package. There are 4 case versions of the same system, i had them all except the biggest, and all work remarkably well. This one has a built in parallel port, that is what i use mostly.

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27 Aug 2016 13:31 #79552 by tommylight
Replied by tommylight on topic Any good USFF PC's?
www.ebay.com/itm/Dell-OptiPlex-755-SFF-D...f:g:afYAAOSwdzVXrLMK

Although that price looks way off south, normally i find them here from 70 -100 euro a piece i very good condition.

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27 Aug 2016 13:38 #79554 by terkaa
Replied by terkaa on topic Any good USFF PC's?
Yes but it is not anymore USFF it is SFF. I am looking for USFF with PCI or PCIe....

Tero

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27 Aug 2016 16:16 - 27 Aug 2016 16:25 #79559 by PCW
Replied by PCW on topic Any good USFF PC's?
If you want to use a USFF PC you are probably better off using a Ethernet FPGA card, in which case for used machines these work well:

www.ebay.com/itm/HP-COMPAQ-dc7900-ULTRA-...5:g:6mMAAOSwhOdXog7Y

For new USFF+Ethernet, this one is nice:

www.newegg.com/Product/Product.aspx?Item=9SIA2F841F7701
as it has dual LAN interfaces

This one also works well:

www.newegg.com/Product/Product.aspx?Item...56-164-024-_-Product

But has only one LAN interface so if you want internet/localLAN access you would need to add a USB Ethernet /WIFI dongle

(many of the tiny PCs have WIFI built in but they almost always cause latency issues where external USB/WIFI or USB/Ethernet adapters do not)
Last edit: 27 Aug 2016 16:25 by PCW.

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27 Aug 2016 16:54 #79560 by terkaa
Replied by terkaa on topic Any good USFF PC's?
Yes it seems Lenovo is only one making USFF with PCI slot. That Zotac and Gigabyte ones look very nice ones.


Tero

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27 Aug 2016 19:37 #79565 by Todd Zuercher
Replied by Todd Zuercher on topic Any good USFF PC's?
I have one running a machine about the size of that Lenovo. We put it together ourselves with pieces purchased from Newegg.com a few years ago. The motherboard is an intel board with an Atom D2700. It is all passively cooled including the powersuply.

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27 Aug 2016 19:46 #79566 by terkaa

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