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Sandy Bridge 2500K/2600K Batch and Serial Numbers


Massman

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Hmmm, you must of missed my post #84 of my chip.

 

http://www.hwbot.org/forum/showpost.php?p=92663&postcount=84

 

 

Either way new high for me:

 

2600k

 

5640.6 MHz

 

Batch # - L041B229

 

Serial # - 1422

 

http://www.hwbot.org/community/submission/2123096_drnip_cpu_z_core_i7_2600k_5640.57_mhz

 

EDIT: I found it. You have mine under L041B299 whereas mine is L041B229.

Edited by drnip
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damn thats bad luck splave but I will tell you that i think 2500K will require alot more binning and luck.

 

Day 1

2500K hand picked from looking at 60 boxxes.

5.5 L041B144 0743

 

2600K Nothing i saw interesting so eeenie meenie miny moe from 60+ boxxes ran out of eenies and meenies......

5.4 L050A933 0170

 

Day 2 trip 1 and 2......

 

Complete lotto, not trying to draw attention returning dead chips ;)

 

2500K

5.2 L045A932 3171

5.2 L048A? forget

 

2600K

5.4 L050A933 I forget.....26XX i think....

5.3 L050A933 2532

 

Let it cool off a couple days then do another round.

 

Btw no need to bench them, in fact no need to even post windows on giga or overvolt them

 

Boot at 50X with pll overide disabled. No post = 5.4 or less chip.

Edited by chew*
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damn thats bad luck splave but I will tell you that i think 2500K will require alot more binning and luck.

 

Day 1

2500K hand picked

5.5 L041B144 0743

 

2600K Nothing i saw interesting so eeenie meenie miny moe

5.4 L050A933 0170

 

Day 2 trip 1 and 2......

 

2500K

5.2 L045A932 3171

5.2 L048A? forget

 

2600K

5.4 L050A933 I forget.....26XX i think....

5.3 L050A933 2532

Seems like 5.0 to 5.4 is the normal range for chips..

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I have four 2500K here. Batch L051A869, SN are 2L047225A1607,1608,1609,1610.

For 24/7 use they all clock exactly the same (4800 1.34v, 4900 1.38v linx) but max bootable multiplier is different on all four chips (using exact same settings): x52/x52/x54/x51

 

my personal view: batch for maximum overclock = witchhunt

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My ex-2600k (sold)

 

L040B225

(sorry i didnt write down the cpu 4 digit)

 

Air-cooled

 

Benchable @ 5.2-5.3 Ghz

 

http://hwbot.org/community/submission/2120667_tasos_3dmark_vantage___performance_geforce_gtx_570_29397_marks

 

http://hwbot.org/community/submission/2117313_tasos_wprime_1024m_core_i7_2600k_2min_25sec_532ms

 

Max bench @ 5320

http://hwbot.org/community/submission/2110896_tasos_superpi_core_i7_2600k_6sec_969ms

 

 

//

 

P.S.

Now i'm on a new 2600k

L042B074

Which is a 5.4-5.5 Ghz

Still testing

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Gotcha. That doesn't apply to the Asus boards when you OC with turbo multi though does it? For example most of my chips can get to the windows load screen at 55x+ turbo multi but they can't actually get past the windows loading page into the desktop. Testing on SS now and tested high volts, doesn't help me get higher and none of these chips is going to actually finish booting 55x+.

 

this is a quite interesting information - thanks for sharing :)

 

edit: so finding the maximum multiplier seems to be more easy on gigabyte boards?

Edited by oanvoanc
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this is a quite interesting information - thanks for sharing :)

 

edit: so finding the maximum multiplier seems to be more easy on gigabyte boards?

 

yes but i might add, I'm on cold water and even though you can post a multi doesn't mean its stable.

 

L050A933 chips seem to need excessive amounts of voltage. I would avoid that batch alltogehter, even if you did find a 55X chip i doubt it could be tamed on anything but ln2.

 

8c water can't even get a wprime 1024m off at 5.4.......they seem to be decent enough low leakage chips though, 1.30 for 4.5 prime stable.

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Hey massman.

 

Lets start requesting default VID of batches along with the other info :) just becasue a chip has a decent multi doesn't make it good.

 

Also have a hunch that within certain batches multi is tied into VID somehow ;)

 

2600K L050A933 2210 54 X not 5.4 wprime 1024 stable.

 

2600K L042B208 4508 51X didn't waste my time.

 

2500K L046B078 2573 52X seems to be very decent for 24/7 low vid, 1.325 bios set LLC L2 4800 prime stable

 

EDIT more chips from my bench partner

 

2600K

L041C108 2350 5.4

L041C108 3832 5.5

Edited by chew*
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guys i found this one on a german site:

 

http://www.hardwareluxx.de/community/16325676-post1246.html

 

Asus Maximus IV Extreme: Multi 53/54 (54 nur mit 99,2)

Asus P8P67 Deluxe: Multi 53

Asus P8P67 WS Revolution: Multi 53

Asrock P67 Pro3: Multi 52 (aber höher nicht getestet)

Gigabyte P67A-UD4: Multi 52

 

Mit dem UD4 lag das Maximum bei 52, es lief einfach nicht höher. Alle Boards mit selber CPU und Ram getestet.

 

translated:

the guy used the same chip and same ram on different boards to figure out the max multiplier...

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