Low power crunchin'?

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Message 986625 - Posted: 4 Apr 2010, 18:48:02 UTC
Last modified: 4 Apr 2010, 18:49:03 UTC

OK, I'm revisiting the low power lan gateway system as a low power always on server and as-a-cruncher again...

Anyone any experience of the Atom D510 + NM10 chipset?

Or even of the Asus AT5NM10-I:

Atom D510 CPU 1.6GHz, DDR2 800
Intel NM10 chipset
SATA 3Gb/s
On Board Graphics
Mini ITX

?

These look to have come down to a reasonable price finally... Or is there anything else offering Ethernet, USB2, and a PCI slot (or a second ethernet port) for a similar price?


May as well also put Boinc on there to keep it busy when it's waiting for something to do!

Happy crunchin',
Martin
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Message 986634 - Posted: 4 Apr 2010, 19:16:59 UTC - in response to Message 986625.  

OK, I'm revisiting the low power lan gateway system as a low power always on server and as-a-cruncher again...

Anyone any experience of the Atom D510 + NM10 chipset?

Or even of the Asus AT5NM10-I:

Atom D510 CPU 1.6GHz, DDR2 800
Intel NM10 chipset
SATA 3Gb/s
On Board Graphics
Mini ITX

?

These look to have come down to a reasonable price finally... Or is there anything else offering Ethernet, USB2, and a PCI slot (or a second ethernet port) for a similar price?


May as well also put Boinc on there to keep it busy when it's waiting for something to do!

Happy crunchin',
Martin

The similar Intel board is under $75 US. I'll have one next week.
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Message 986907 - Posted: 5 Apr 2010, 19:28:18 UTC
Last modified: 5 Apr 2010, 19:30:15 UTC


Is there an Atom mobo out there with at least PCIe 1.0 x16 slot (all 16 lines connected!) or PCIe 2.0 x16 slot (8 lines connected!)?

To now I saw mobos with PCIe 1.0 x16 slot, but only 1 line connected.
Because the NM10 chipset can manage max. 4 lines.

Maybe a mobo with ION or ION2 chipset?

The onboard GPU should run with display connected and an inserted GPU in the slot should run only for CUDA. ;-)


Thanks! :-)


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Message 986932 - Posted: 5 Apr 2010, 21:46:12 UTC - in response to Message 986907.  


Is there an Atom mobo out there...?

To now I saw mobos with PCIe 1.0 x16 slot, but only 1 line connected.
Because the NM10 chipset can manage max. 4 lines.

... The onboard GPU should run with display connected and an inserted GPU in the slot should run only for CUDA. ;-)

But, but, but...

That contradicts "low power" operation! :-o


It would make a good system for GPU-only tasks where the CPU is only used to feed the data...

Happy crunchin',
Martin

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Message 986950 - Posted: 5 Apr 2010, 23:38:11 UTC - in response to Message 986932.  
Last modified: 5 Apr 2010, 23:44:42 UTC


Is there an Atom mobo out there...?

To now I saw mobos with PCIe 1.0 x16 slot, but only 1 line connected.
Because the NM10 chipset can manage max. 4 lines.

... The onboard GPU should run with display connected and an inserted GPU in the slot should run only for CUDA. ;-)

But, but, but...

That contradicts "low power" operation! :-o


It would make a good system for GPU-only tasks where the CPU is only used to feed the data...

Happy crunchin',
Martin


Yes, this is my idea.. ;-)

This would be a very nice RAC/wattage machine.

Only CUDA on a GTX2xx or GTX4xx series GPU and the Atom CPU only as feeder.

Maybe the Atom (at least 2 threads) mobo ~ 40 W + ~ 140 W for one of my OCed GTX260-216 graphic cards, this are ~ 180 W for ~ 15,000 RAC.

Who can do this better (with GTX2xx series GPUs)? ;-)


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Message 986979 - Posted: 6 Apr 2010, 2:08:37 UTC
Last modified: 6 Apr 2010, 2:09:18 UTC

I am planning on replacing an old P4 that is pretty much an idle server/storage with the following atom D510 from gigabyte. It has raid1 and I guess you can overclock the D510 not that it would have a huge impact in performance or power usage.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128436&Tpk=gigabyte%20atom
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Message 986980 - Posted: 6 Apr 2010, 2:19:41 UTC - in response to Message 986979.  

I am planning on replacing an old P4 that is pretty much an idle server/storage with the following atom D510 from gigabyte. It has raid1 and I guess you can overclock the D510 not that it would have a huge impact in performance or power usage.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128436&Tpk=gigabyte%20atom

Took a look at that board in your link, it looks like it has a plain old PCI slot (good luck finding a PCI based vid card that has much RAC potential ;) ), do you know if any Atom proc./board comes with a PCI-E 2.0 slot so you can run the most current vid cards?

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Message 986987 - Posted: 6 Apr 2010, 2:33:45 UTC
Last modified: 6 Apr 2010, 2:37:49 UTC


Here is an overview of Atom mobos with PCIe 1.0 or 2.0 slot.

'alternate.de' (german seller)

On top PCIe 1.0 on the bottom PCIe 2.0 slot.


After searching the Inet, I guess ION2 isn't well because it's going through the NM10 chipset (which is also on mobo). So also only 1 lane over PCIe slot, I guess.

So for 'my' idea, I should look to 'old' ION chipset mobos with Atom 330.
AFAIK, then all 16 lanes are connected of the PCIe slot.


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Message 986991 - Posted: 6 Apr 2010, 2:46:14 UTC
Last modified: 6 Apr 2010, 2:47:11 UTC

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Message 987000 - Posted: 6 Apr 2010, 4:06:42 UTC - in response to Message 986980.  

I am planning on replacing an old P4 that is pretty much an idle server/storage with the following atom D510 from gigabyte. It has raid1 and I guess you can overclock the D510 not that it would have a huge impact in performance or power usage.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128436&Tpk=gigabyte%20atom

Took a look at that board in your link, it looks like it has a plain old PCI slot (good luck finding a PCI based vid card that has much RAC potential ;) ), do you know if any Atom proc./board comes with a PCI-E 2.0 slot so you can run the most current vid cards?


I think the point was a low power PC that would do seti on the side not low powered PC + plus graphics card. It kind of kills the low powered part. That's what I'm shooting for dropping a system that pulls 170W to under 30W to do the same job.
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Message 987032 - Posted: 6 Apr 2010, 7:40:34 UTC - in response to Message 987000.  

I have "green crunch machine" and under load it uses only 57 W :)
Is that enough "low power" for you?
I am cruncher :)
I LOVE SETI BOINC :)
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Message 987041 - Posted: 6 Apr 2010, 10:46:31 UTC - in response to Message 987000.  

I think the point was a low power PC that would do seti on the side not low powered PC + plus graphics card. It kind of kills the low powered part. That's what I'm shooting for dropping a system that pulls 170W to under 30W to do the same job.

Yeah, sorry, I re-read the OP and he didn't mention GPU, that came in a later post. I guess it wouldn't make a lot of difference, as Crun-chi stated, he has a PC running at 57w under load, so the Atom wouldn't save you much in power as a dedicated cruncher feeding a GPU. Good information to know, though, in case anyone ever did want to put one together, now we know it can be done.

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Message 987067 - Posted: 6 Apr 2010, 13:16:22 UTC


I guess I have also 'low power cruncher'.

It depend how you interpret this.

My PCs..
AMD Athlon 600 - ~ 60 W - RAC of maybe ~ 40.
AMD Athlon XP-M 1400+ - ~ 80 W - RAC of maybe ~ 80.
AMD Athlon64 3200+ - ~ 160 W - RAC of maybe ~ 400.
Intel Core2 Extreme QX6700 @ 3.14 GHz - ~ 215 W - RAC of ~ 5,500.
Intel Core2 Extreme QX6700 @ 3.14 GHz with OCed GTX260-216 (only GPU calculation) - ~ 260 W - RAC of ~ 15,000.
Intel Core2 Extreme QX6700 @ 3.14 GHz with OCed GTX260-216 - ~ 385 W - RAC of ~ 20,500.
AMD PhenomII X4 940 BE with 4x OCed GTX260-216 use ~ 700 W and have a RAC of ~ 65,000.

Which machine have the best RAC/wattage? ;-)


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Message 987102 - Posted: 6 Apr 2010, 16:00:28 UTC - in response to Message 987032.  

I have "green crunch machine" and under load it uses only 57 W :)
Is that enough "low power" for you?

My target for new machines is under 20 watts.
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Message 987104 - Posted: 6 Apr 2010, 16:13:02 UTC - in response to Message 987067.  
Last modified: 6 Apr 2010, 16:14:08 UTC


I guess I have also 'low power cruncher'.

It depend how you interpret this.

My PCs..
AMD Athlon 600 - ~ 60 W - RAC of maybe ~ 40.
AMD Athlon XP-M 1400+ - ~ 80 W - RAC of maybe ~ 80.
AMD Athlon64 3200+ - ~ 160 W - RAC of maybe ~ 400.
Intel Core2 Extreme QX6700 @ 3.14 GHz - ~ 215 W - RAC of ~ 5,500.
Intel Core2 Extreme QX6700 @ 3.14 GHz with OCed GTX260-216 (only GPU calculation) - ~ 260 W - RAC of ~ 15,000.
Intel Core2 Extreme QX6700 @ 3.14 GHz with OCed GTX260-216 - ~ 385 W - RAC of ~ 20,500.
AMD PhenomII X4 940 BE with 4x OCed GTX260-216 use ~ 700 W and have a RAC of ~ 65,000.

Which machine have the best RAC/wattage? ;-)



If you're making dedicated machines for crunching only that might be the case, if you're just doing crunching in the back ground because the machine is on anyways then you're high powered and high RAC box is not always the best option. This depends on what your goals are. Mine right now is to save power/money.

Switching from my underclocked P4 w/ graphics card (that can't crunch) to this atom machine would save me about 150 dollars a year in power costs. The HW will pay for itself in about a year. I'll probably keep the setup until the HW dies, so for years to come. The RAC from the new setup will probably be about the same maybe a hair more but that isn't really important to me.
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Message 987161 - Posted: 7 Apr 2010, 0:41:27 UTC - in response to Message 987102.  

I have "green crunch machine" and under load it uses only 57 W :)
Is that enough "low power" for you?

My target for new machines is under 20 watts.


I talk about 57W WITH GPU crunching :)

Sempron 140 + 9800 GT Green, without optics drivers, and with small 2.5 PATA disc.
I am cruncher :)
I LOVE SETI BOINC :)
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Message 987183 - Posted: 7 Apr 2010, 1:45:27 UTC - in response to Message 987161.  

What's your avg RAC with that rig?

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Message 987231 - Posted: 7 Apr 2010, 10:05:22 UTC - in response to Message 987183.  

Currently in rig is Athlon X2 240, so under load it consumes about 75 W ,and it has RAC od 6500, with Sempron will be about 5700.
I am cruncher :)
I LOVE SETI BOINC :)
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Message 987343 - Posted: 7 Apr 2010, 19:19:05 UTC

Ok, I have a question, it came to me while playing around with the idea of building one of these just for fun, to see how it performs. I see that the Atom 330 boards list an external power supply, something like 65 watts or such. It says it has a 16x PCI-E slot, and the question I had was isn't there some spec about how much power a 16x PCI-E slot is supposed to put out, because if one was thinking (just for fun) of putting in, let's say, a Nvidia GTX 285, obviously you would need an external PS to power the 6/8 pin connectors, but isn't there a certain minimum amount of power needed to power the PCI-E slot, and is a 60 some watt external PS enough to do it? Or hadn't they thought that someone like me would be crazy enough to attempt to put the 2 together? ;)

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Message 987346 - Posted: 7 Apr 2010, 19:39:08 UTC - in response to Message 987343.  

Ok, I have a question, it came to me while playing around with the idea of building one of these just for fun, to see how it performs. I see that the Atom 330 boards list an external power supply, something like 65 watts or such. It says it has a 16x PCI-E slot, and the question I had was isn't there some spec about how much power a 16x PCI-E slot is supposed to put out, because if one was thinking (just for fun) of putting in, let's say, a Nvidia GTX 285, obviously you would need an external PS to power the 6/8 pin connectors, but isn't there a certain minimum amount of power needed to power the PCI-E slot, and is a 60 some watt external PS enough to do it? Or hadn't they thought that someone like me would be crazy enough to attempt to put the 2 together? ;)

Depends on the Atom board. Most take fairly normal ATX supplies.

Warning: if you get a 750w power supply and try to run a 15 watt computer, it may not work. Switching power supplies need a load.

Warning #2: most of the boards that use an external "brick" take 12v or 19v and have the equivalent of a normal ATX supply on-board (complete with power for a hard drive and DVD/CD drive). A bigger brick doesn't make the on-board supply any more powerful.

Trying to put a 300w video card on a board that uses 10w is a bit crazy.
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