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Sandy Bridge 2500K/2600K Batch and Serial Numbers

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I've tested one L042B074 #2956 (tested under air and chiller @6~8° water temp)

- Max frequency 5188Mhz (tested differents multi, bclk... Nothing helps)

- 1H OCCT ok @5G/1.408v (under HR02 with 2 x 120mm).

 

Bye

p€p|n0r@ng

Edited by p€p|n0r@ng

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I've tested one L042B074 #2956 (tested under air and chiller @6~8° water temp)

- Max frequency 5188Mhz (tested differents multi' date=' bclk... Nothing helps)

- 1H OCCT ok @5G/1.408v (under HR02 with 2 x 120mm).

 

Bye

p€p|n0r@ng[/quote']

 

Sorry, I mean L042B074 not 078, my mistake...

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My CI7 2600K

 

Batch: L039B470 #0388

 

Tested on H2O (for now)

MB: Gigabyte P67A-UD7 (tested with BIOS-es "F6x" & "F7a")

Memory: 2x2GB Mushkin Blackline (996959) PC12800 CL6 & 2x2GB G.Skill PI Series (F3-18400CL8D-4GBPIS) PC18400 CL8

 

5433 MHz - SuperPI 1M - http://www.hwbot.org/community/submission/2107956_alibabar_superpi_core_i7_2600k_6sec_797ms

5401 MHz - SuperPI 32M - http://www.hwbot.org/community/submission/2109014_alibabar_superpi_32m_core_i7_2600k_6min_20sec_250ms

5404 MHz - PIfast (not maxed out yet) - http://www.hwbot.org/community/submission/2107519_alibabar_pifast_core_i7_2600k_13.64_sec

 

p.s. Very unstable with x54 multi. With the x55 multi the board is booting and freezing after the post (with any voltage).

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No, definitly not. So far, there isn't really that much to conclude based on the numbers. I would currently advise to search for CPUs as close to the golden ones. For instance, if a golden CPU is L043A776 #3986, you want to search for the same batch (L043A776) and a # close to 3986.

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I had a L040b307...some can boot 5600, mine was poor!

then I had a L040B690...that was the worst so far. Now I own 2 L042B076 #0207 (runs 4,5 @ 1,24V) and #0083 (to be tested tonight!)

Cross your fingers...please!

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2500K 2 x L040B354

 

#1864 requires 1.39v for 4800 Mhz stable and does 52x multi and max ~5300 Mhz

#1343 requires 1.42v for 4800 Mhz stable and does 52x multi and max ~5260 Mhz

Edited by saleen

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So when are you going to actually start overclocking it and find the max multi? :P

 

Getting closer....... STILL not maxed though. L042A969

 

5400mhz.png

Edited by Jonesey I7

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Batch report on 2600K.

#0584 batch L045A998

5.00ghz. End of story. :(

No valid because not worth it.

103Bclk not stable but bootable max.

Didn't like over 1.6v.

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