Xeon L5639 Overclocking on X58

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Nov 26, 2005
15,110
316
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iirc, there was an earlier revision of some of their mobos that actually needed a hardware mod :hmm: I could be wrong tho! :\

copy and paste of the email, has my question to support and their reply

"Your Question:
The board I have is a 1.0 Revision. I was interested in buying a Xeon L5639 chip but the 1.0 board doesn't support it. I was wondering if I could get the updated revision 1.1 board.

Thanks
Your Answer:
Hello


Although this CPU has not been tested and is not on or compatibility list there is no need for a different revision. You only need to update the bios on this board in order to use the latest CPU for your board. Please follow the link i have provided below in order to flash your board to the latest bios.
"
 

tiro_uspsss

Member
Jan 21, 2010
133
0
0
copy and paste of the email, has my question to support and their reply

"Your Question:
The board I have is a 1.0 Revision. I was interested in buying a Xeon L5639 chip but the 1.0 board doesn't support it. I was wondering if I could get the updated revision 1.1 board.

Thanks
Your Answer:
Hello


Although this CPU has not been tested and is not on or compatibility list there is no need for a different revision. You only need to update the bios on this board in order to use the latest CPU for your board. Please follow the link i have provided below in order to flash your board to the latest bios.
"

mmmm... actually... I could be confusing the info with ES CPUs :\
 
Nov 26, 2005
15,110
316
126
mmmm... actually... I could be confusing the info with ES CPUs :\

I now believe what I suspected about the person from EVGA that replied from support. They are un-aware that Rev.1.1 ONLY needs the bios update, while Rev. needs the hard-mod trick to make it work. I seen that info floating around on forums but I was trying to confirm it and unfortunately the EVGA support tech didn't know. It's probably a good chip but I don't think I'm going to do the hard-mod to make it work, i'd rather update the platform if I'm going to do all that work. Others may have time for that but ....
 

tiro_uspsss

Member
Jan 21, 2010
133
0
0
I now believe what I suspected about the person from EVGA that replied from support. They are un-aware that Rev.1.1 ONLY needs the bios update, while Rev. needs the hard-mod trick to make it work. I seen that info floating around on forums but I was trying to confirm it and unfortunately the EVGA support tech didn't know. It's probably a good chip but I don't think I'm going to do the hard-mod to make it work, i'd rather update the platform if I'm going to do all that work. Others may have time for that but ....

is your CPU an ES?
 

TerryMathews

Lifer
Oct 9, 1999
11,473
2
0
I now believe what I suspected about the person from EVGA that replied from support. They are un-aware that Rev.1.1 ONLY needs the bios update, while Rev. needs the hard-mod trick to make it work. I seen that info floating around on forums but I was trying to confirm it and unfortunately the EVGA support tech didn't know. It's probably a good chip but I don't think I'm going to do the hard-mod to make it work, i'd rather update the platform if I'm going to do all that work. Others may have time for that but ....

http://kingpincooling.com/forum/showpost.php?p=9942&postcount=21

FWIW, looking at this, you can fix it in 1 minute without a soldering iron. Go to NAPA or Advanced Auto Parts and get a windshield defroster repair kit. It's basically liquid metal paint.

Mask off the area around the points with scotch tape or masking tape. Paint the contacts together. Let it dry. Maybe do it again if it looks thin. Let it dry again. Pull tape up and test.
 

tiro_uspsss

Member
Jan 21, 2010
133
0
0
Nov 26, 2005
15,110
316
126
http://kingpincooling.com/forum/showpost.php?p=9942&postcount=21

FWIW, looking at this, you can fix it in 1 minute without a soldering iron. Go to NAPA or Advanced Auto Parts and get a windshield defroster repair kit. It's basically liquid metal paint.

Mask off the area around the points with scotch tape or masking tape. Paint the contacts together. Let it dry. Maybe do it again if it looks thin. Let it dry again. Pull tape up and test.

That's the page I seen. I may, may not do this, thanks either way
 
Nov 26, 2005
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I'm seeing problems with HWmonitor reporting the temps. I'm seeing mid 50's. There is no way. I tried RealTemp and it only reported 3 of the 6 cores but the temps looked normal, hi 20's mid 30's Celcius

EDIT: I put my hand by the HS and things were WAY cooler than with my 920
 
Last edited:

TerryMathews

Lifer
Oct 9, 1999
11,473
2
0
ok so a 850W unit.. mm.. my friend has 775... I reckon its your cards that make your rig use more.

You.. you only paid $30? :hmm: D:

On a hunch, I kept simplifying my rig further and further down. I had it down to a configuration where it really should have been not voltage limited, if it even is now. Still crashing at stock.

Yanked out my 1394 card and ASUS Eonar STX, just went through IBT with no issues and I didn't have my USB cutting out like I did when the card was installed.

No drivers were loaded this is a fresh Windows 7 install. I remember, back in the day (Read 440BX) there were issues with layered PCI bridges. I know this machine uses a PCIe bridge in order to support quadfire and quad SLI, and I know my STX has a PCI-PCIe bridge. Think maybe I have a "too manyh bridges" conflict?

Still testing. I'll update this post with my results.

ETA: chasing a little USB instability but the blue screens haven't returned since yanking the 1394 card and the Eonar STX. Curious to see if it's the card, or the power supply.

ETA2: 99% of USB instability seems gone at 1.20v ICH. Empirically, it seems that the USB is connected to +5Vsb, which is rated very low on my PSU (15w). I will be curious to see if I still need the bandaid of increased ICH voltage to stabilize the USB.

On a more personal note, I would've been upset to say the least if I'd paid full price for this board. How did EVGA manage to screw things up in the BIOS that have been perfected for years?
 
Last edited:

dragantoe

Senior member
Oct 22, 2012
689
0
76
can we get some benchmarks if someone has the cpus for it? also I kinda wanna see how it does with a 780 or titan.
 

dragantoe

Senior member
Oct 22, 2012
689
0
76
Why not just look at the Physics score? That's the CPU-bound test.

oh sweet thanks!

update: my cpu scored 12,568 on the firestrike physics test, which is pretty close to a stock 3930k, which from what i've seen scored in 14,000s
it's actually better than most 3770ks on 3dmark which score low to mid 12,000s, only at 4.7 ghz does the 3770k beat it
 
Last edited:

Aurkitu

Junior Member
Aug 18, 2013
10
0
66
Hi people, still with the Overclock, but seems is time to finish it. I have some questions first the numbers:

Finally i got two type of OC enough stable for me without errors after hours and days, days and hours -almost four hours in lynx 10240 MB of 12GB- and prime95 fast custom test 1792 TFF for 20 minutes.

One with EIST, Turbo mode, CE1 and C-states all enabled:

4000 Mhz, 3800 Mhz and 3600 Mhz.

BCLK:200
UCLK:3208MHz

Cpu Voltage: 1.325
QPI/DRAM Core voltage: 1.33125
IOH voltage:1.14
DRAM BUs voltage:1.62
LLC: enabled
CPU differential amplitude: 1000mV

All rest to minimal voltage.

Second OC with CE1 but without C-states, turbo, etc...EIST can be enabled, but seems not really make a difference.


3762 Mhz

CPU ratio: 18X
BCLK: 209
UCLK: 3352MHz


Cpu Voltage: 1.275
QPI/DRAM Core voltage: 1.33125
IOH voltage:1.14
DRAM BUs voltage:1.62
LLC: enabled
CPU differetnial amplitude: 1000mV

----------------------------------------------

My questions:


I seen with AIDA64 tests performance an memory, the scores i got are all better in the second OC slightly.

With HW monitor shows that the watt comsuption is 3.9/7w in idle in first case (Turbo, c-states, etc..) and voltage is higher 1.30/131v. And 9/13w in second case in idle and voltage lower 1.26/1.27v. In the first case the temps and watt comsuption are more up in full load, until for 3600Mhz, but never pass 69 ºC in the cores.

In seconde case the Watt TDP of 60 -Power CPU- is rarely over passed on in full load with 12 threads, and temps are stopped at 67/68 ºC...some peaks of 64w, or 65w...but usually inside 50/57w. In the first is a little more higher 55/62w with peaks of 68/72w.

My doubt is ¿What is better? ¿What is more recomendable for 24/7? ¿Are safe voltages for 24/7?

More vcore and watts at full load with idles comsuption very low..or less vcore, but double of watts in idle.

Thanks to all.
 

Justinbaileyman

Golden Member
Aug 17, 2013
1,980
249
106
What air cooler can I use for a mild over clock of say 3.0 - 3.2Ghz ??
I currently have a CM 212 Hyper Evo and would like to use that but will it be enough to cool so many cores and such a high thermal out put at those speeds?
Or will I need to buy a better cooler such as a Phanteks or Silver Arrow??
I had a i7 920 back a few years ago and that thing ran blazing hot even with a Noctua U14 only overclocking the 920 to 3.2Ghz.
Please let me know what you all think cause I am dieing to start putting my new system together.
 

dragantoe

Senior member
Oct 22, 2012
689
0
76
What air cooler can I use for a mild over clock of say 3.0 - 3.2Ghz ??
I currently have a CM 212 Hyper Evo and would like to use that but will it be enough to cool so many cores and such a high thermal out put at those speeds?
Or will I need to buy a better cooler such as a Phanteks or Silver Arrow??
I had a i7 920 back a few years ago and that thing ran blazing hot even with a Noctua U14 only overclocking the 920 to 3.2Ghz.
Please let me know what you all think cause I am dieing to start putting my new system together.

your 212 is fine, these xeons generally stay very cool even at high overclocks
 

Justinbaileyman

Golden Member
Aug 17, 2013
1,980
249
106
your 212 is fine, these xeons generally stay very cool even at high overclocks

Thanks for the fast reply.. I will start putting her together then.
How much a of a speed difference will I feel going from the 920 to the L5639??
I'm hoping the difference will be night and day.
Not that the 920 is a slouch by any means.
 

Makaveli

Diamond Member
Feb 8, 2002
4,760
1,158
136
your 212 is fine, these xeons generally stay very cool even at high overclocks

Also Bloomfield is 45nm and gulftown 32nm so even with the two added cores

I found my temps were less with the i7 970 compared to my 920 D0.

Both will still heat up a room pretty nicely when under full load and no open windows tho.
 
Last edited:

alphascout

Member
Dec 25, 2011
39
0
66
Also Bloomfield is 45nm and gulftown 32nm so even with the two added cores

I found my temps were less with the i7 970 compared to my 920 D0.

Both will still heat up a room pretty nicely when under full load and no open windows in the room tho.


Trust me opening the windows in Florida is much worse !
 
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