Xeon Owners Club

[dorsetknob]

I cant find that one listed at Ark. The closest is the L5638

From
http://www.cpu-world.com/CPUs/Xeon/Intel-Xeon L5639 - AT80614005076AB.html

Obscure CPUs: Intel Xeon L5639 and X5679
May 01, 2011: Introduced in March 2010, Xeon 5600 family of server processors for dual-socket systems was refreshed in February of this year, bringing the total number of available models to more than 20. Specifications of these microprocessors are well known, and you can find them on our website or in the Intel ARK database. There are three Xeon 5600 CPUs that you won't find on Intel ARK site, though. One of them is a dual-core Xeon X5698, clocked at impressively high for x86 architecture 4.4 GHz. Two other SKUs, virtually unknown to public, are L5639 and X5679.

@Caring1 Hope that sorts out the itch you had about @stinger608 Xeon

 

[stinger608]

Also, the L5639's are notorious for being awesome overclockers. They have a stock clock of 2.13ghz and usually can be pushed to 3.6 and some as high as 3.8ghz. I believe that @Norton still sports one of these impressive hex cores in a system he uses for World Community Grid crunching.
Not sure if he has messed with any overclock so I couldn't tell ya what his would do.

The last one I had I ran at, if I remember right, 3.1 or something close.

They are sweet little hex core Xeon's.

And they can usually be found for under $50!!!

 

[CAPSLOCKSTUCK]

63 quid delivered UK.......... for h/t hex core and 60 watts.

I better not advertise the vendor, pm me if reqd.

thanks for flagging them up @stinger608

 

[Norton]

Also, the L5639's are notorious for being awesome overclockers. They have a stock clock of 2.13ghz and usually can be pushed to 3.6 and some as high as 3.8ghz. I believe that @Norton still sports one of these impressive hex cores in a system he uses for World Community Grid crunching.
Not sure if he has messed with any overclock so I couldn't tell ya what his would do.

The last one I had I ran at, if I remember right, 3.1 or something close.

They are sweet little hex core Xeon's.

And they can usually be found for under $50!!!

Mine is an ES and it's happy to run 24/7 at 2.8Ghz. It probably could go a bunch more but it's stable and not too hot there so I don't plan to go any higher.

Just remember that you need pretty decent ram to get a good overclock on a s1366 chip.

 

[t_ski]

IIRC, the "L" is for low-voltage

 

[FireFox]

My dedicated 4P cruncher Machine:

Supermicro SYS-6026TT X8DTT-INF

2 × Xeon L5640
2 x Xeon E5530
1 x Seagate Barracuda 3TB
1 x Seagate Barracuda 1TB
12 x 2GB ECC REG PC3 -10600 CL9 (Apacer)
Ablecom 1200W 80Plus Gold ( Modified )
Ubuntu 14.04 LTS

 

[CAPSLOCKSTUCK]

Wicked Dude.


It is nice that it still looks slightly blue

 

[FireFox]

Wicked Dude.


It is nice that it still looks slightly blue

You know how much time I have dedicated in the last time to this Machine, especially modifying the PSU

Before and After


Original PSU

Modified

 

[CAPSLOCKSTUCK]

Can you show the full specs of the build please, it looks very impressive especially the mod.

 

[FireFox]

Can you show the full specs of the build please, it looks very impressive especially the mod.

Psu's Fan (San Ace 40) 20.000Rpm
No way to keep that shit running in my living room:

 

[CAPSLOCKSTUCK]

So that is 2 in line fans ? @ 20,000 rpm just for the PSU

 

[FireFox]

So that is 2 in line fans ? @ 20,000 rpm just for the PSU

That's right 2 in line fans and 20.000rpm,
But I have replaced that fan with that one here: Akasa 2.500Rpm
What a difference between 20.000Rpm and 2.500Rpm
I bet my Server is one of the most silent in the World


Been honest that Fan was Blue

 

[CAPSLOCKSTUCK]

I think you should run Cinebench
http://www.maxon.net/products/cinebench/overview.html

it will mean that the 4 P would have to stop crunching for a few minutes though.

btw, .....I just named my hex core

Xeonorator

Intel Xeon X5650 @ 3.9ghz
MSI X 58 pro E ver 3.1
12 gb CorsairXMS 3 triple channel ram
Kingston V 300 120gb ssd
Corsair H 55 AIO
Sapphire Toxic HD 6970 bios


as soon as the challenge finishes it goes in a case.

This little beastie places # 11 in the world in the Cinebench rankings

Spoiler

Guess how much that cost to build (UK) ?

Spoiler

£ 325.00 # 11 in the world

Spoiler

out of 12

 

[FireFox]

I think you should run Cinebench
http://www.maxon.net/products/cinebench/overview.html

it will mean that the 4 P would have to stop crunching for a few minutes though.

If I want to run Cinebench Test it will take me more than a few minutes because I have to plug an extra HDD to the machine plus install Windows and so on, I would prefer to run the test after the challenge is finished.

 

[CAPSLOCKSTUCK]

Hang on a minute,
how does that work then ?
4 cpus but 2 of one spec and 2 of another...i'm confused.

 

[FireFox]

The original Fan after I have cut the cables from it original adapter, that Fan was a nightmare for more than 3 weeks


Testing the Akasa 2.500Rpm Fan.
I have thought that the Machine wouldn't turn on, but my thoughts were wrong.

Better view of the Akasa while working:
Note: My poor Dog was tired of me



Soldering the Akasa's cables to the San Ace 40's fan's adapter and after I was sure that everything was working properly:



Finished, not really, wait for the next pic!


Now I can say I am done:

 

[FireFox]

Hang on a minute,
how does that work then ?
4 cpus but 2 of one spec and 2 of another...i'm confused.

Well when I have bought the Server it came with 4 x Xeon E5530 but because it's a 2 Board Server and each Board works separately I can use differents Xeons versión as long as the chips are socket 1366.

 

[CAPSLOCKSTUCK]

So there was no control mechanism in the psu which prevented you from swapping the fans?
Did you try volt regulating the original fans just to slow them down and make them quieter.?

 

[FireFox]

So there was no control mechanism in the psu which prevented you from swapping the fans?
Did you try volt regulating the original fans just to slow them down and make them quieter.?

Yes there is a mechanism (Voltage Sensor) and that's why when I have modified the PSU undervolted from 12v to 5v the test has failed, I guess the Server needs at least and minimum 2.000Rpm/2.500Rpm to start up ( I can't confirm that, it's just an Hypothesis)

 

[CAPSLOCKSTUCK]

Yes there is a mechanism (Voltage Sensor) and that's why when I have modified the PSU undervolted from 12v to 5v the test has failed, I guess the Server needs at least and minimum 2.000Rpm/2.500Rpm to start up ( I can't confirm that, it's just an Hypothesis)

So in effect you have "tricked" the PSU, the same current is flowing through it but through much slower and consequently quieter fans. I like it. Aaaaaaaaand i saw zip ties

That could have been a real problem resolving that one.

Sorry about all the questions but this is really rather interesting.

So the new fan assembly plugs directly into the PSU via a 3 pin connector?
Is there any way of monitoring the PSU temps via software, I know server systems are very different from desktop pcs and i was wondering whether it is possible to monitor your PSU temperature? With a mod like that you must be concerned that you may not have adequate cooling for the PSU.

Do the fans suck or blow?

 

[FireFox]

So the new fan assembly plugs directly into the PSU via a 3 pin connector?

Yes via a 3 pin connector but not a regular one but a connector 3 times smaller that those regular that we find almost in every common 3 fan connector, (did it makes sense what I said? )

Is there any way of monitoring the PSU temps via software, I know server systems are very different from desktop pcs and i was wondering whether it is possible to monitor your PSU temperature? With a mod like that you must be concerned that you may not have adequate cooling for the PSU.

The last thing I care about is Temperatures, that Psu with the original Fan was running hot and after modified it's running coldest and when i say cold I mean cold

Sorry about all the questions but this is really rather interesting.

That could have been a real problem resolving that one.

Everyday we learn something new, for me it was a very hard lesson.

With a mod like that you must be concerned that you may not have adequate cooling for the PSU

The cooler method that I am using is better than the original one, and it keeps the PSU Cooler.

Do the fans suck or blow?

The Fans Blows Air directly to the psu's components in order to keep it always cool.

 

[CAPSLOCKSTUCK]

How does everything still fit in the case?
Those fans have to be at least 20mm deeper.

 

[FireFox]

How does everything still fit in the case?
Those fans have to be at least 20mm deeper.

I knew that the psu wouldn't fit after modified and that's why have done some cuts:



I did those cuts with a 20€/25€ Dremel, so a cheap one that after 3 minutes while a was cutting this happened:

Broken
I just put back all together and very carefully I finished to cut what i was cutting.

 

[CAPSLOCKSTUCK]

Right, so........on to the biggie...

how many PPD is that rig earning crunching for science?
https://secure.worldcommunitygrid.org/index.jsp

 

[FireFox]

how many PPD is that rig earning crunching for science?

I need the machine to run at least one week in a row before I can answer you that question.