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Reload this Page What's the best batch code of E8400's?

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Old 01-27-08   #11 (permalink)
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Quote:
Originally Posted by kaxx View Post
Hey guys, if you want to post your batch numbers here, I'll try to keep them in post #1 for quick reference. We'll see how the batches hold up to the OC's.
batch # Q740A523

$189.99 from MicroCenter.

Found someone with this batch, and its slightly less friendly (even thought hey all overclock great from what i've read)


Just for the sake of keeping a batch list, this is one of them. Unfortunately i had to RMA my board, and i wont be overclocking untill next week. But i think this topic should be kept going. I also have lots of message boards bookmarked where batch numbers and speeds are thrown around. So i'll post up what i've found.
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Old 01-27-08   #12 (permalink)
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Thanks Prime!!Let me know what you end up with on your OC and good luck
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DFI DK P35 T2RS BIOS
DFI DK Info
E8400 Batch #'s

My E8400 OC - My 3700 OC - My Opty OC

System: E8400, DFI DK System
CPU
E8400		 Motherboard
DFI DK P35		 Memory
OCZ, Team 6GB Total 		Graphics Card
8800GT 512
Hard Drive
Dual WD160, RAID 0		 Sound Card
Onboard		 Power Supply
OCZ Gamextreme 700		 Case
Antec 900
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Old 01-27-08   #13 (permalink)
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Q748A115

4.0ghz | 1.34v | 8 x 500 | 24/7

4.2ghz | 1.43v | 9 x 467 | Prime, OCCT, SuperPi 32M, 3dmark Stable

4.5ghz | 1.44v | 9 x 500 | CPUZ
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Old 01-28-08   #14 (permalink)
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Q748A115

4.0ghz | 1.34v | 8 x 500 | 24/7

4.2ghz | 1.43v | 9 x 467 | Prime, OCCT, SuperPi 32M, 3dmark Stable

4.5ghz | 1.44v | 9 x 500 | CPUZ
Nice Carpenter, Any chance you ever got that 4.5GHz stable??
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DFI DK P35 T2RS BIOS
DFI DK Info
E8400 Batch #'s

My E8400 OC - My 3700 OC - My Opty OC

System: E8400, DFI DK System
CPU
E8400		 Motherboard
DFI DK P35		 Memory
OCZ, Team 6GB Total 		Graphics Card
8800GT 512
Hard Drive
Dual WD160, RAID 0		 Sound Card
Onboard		 Power Supply
OCZ Gamextreme 700		 Case
Antec 900
CPU cooling
Zerotherm		 GPU cooling
Stock		 OS
Vista Ultimate 64		 Monitor
Envision 22", Hanns G 19"
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Old 01-28-08   #15 (permalink)
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I love my batch
Q743A748 dated 01/04/08

Currently running stable at 4.13GHz on 1.3375V/1.296V BIOS/CPUZ
Could run 4.3GHz on 1.40V/1.36-1.38V BIOS/CPUZ
Higher than that and heat becomes a problem...
otherwise I define stable as 1 hour Orthos CPU stress.

When you guys post voltages, do you use CPUZ after Vdrop or just BIOS settings?
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Old 01-28-08   #16 (permalink)
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Originally Posted by iewgnem View Post
I love my batch
Q743A748 dated 01/04/08

Currently running stable at 4.13GHz on 1.3375V/1.296V BIOS/CPUZ
Could run 4.3GHz on 1.40V/1.36-1.38V BIOS/CPUZ
Higher than that and heat becomes a problem...
otherwise I define stable as 1 hour Orthos CPU stress.

When you guys post voltages, do you use CPUZ after Vdrop or just BIOS settings?
Defintitely use the BIOS setting. More accurate than any software program I've ever seen. Also, try for a longer stresstest. I've had my PC's do P95 for 6 hours stable, but the seventh hour it would crash.......

Thanks for the info!!
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DFI DK P35 T2RS BIOS
DFI DK Info
E8400 Batch #'s

My E8400 OC - My 3700 OC - My Opty OC

System: E8400, DFI DK System
CPU
E8400		 Motherboard
DFI DK P35		 Memory
OCZ, Team 6GB Total 		Graphics Card
8800GT 512
Hard Drive
Dual WD160, RAID 0		 Sound Card
Onboard		 Power Supply
OCZ Gamextreme 700		 Case
Antec 900
CPU cooling
Zerotherm		 GPU cooling
Stock		 OS
Vista Ultimate 64		 Monitor
Envision 22", Hanns G 19"
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Old 01-28-08   #17 (permalink)
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Quote:
Originally Posted by kaxx View Post
Nice Carpenter, Any chance you ever got that 4.5GHz stable??
Nope. Unfortunately, I think 4.5ghz would need well over 1.45vcore with this chip. I might go there in a couple weeks if it seems these chips can take it, but I've read about too many guys getting degradation over 1.4v - meaning within like a week at high voltage they start to lose stability.

I'm not saying it's true yet, but like I said I want to wait and see how it all shakes out. If in a month tons of these chips get fried over 1.4v, I'll keep it at a cozy 4ghz 1.35vcore and close the case.
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Old 01-29-08   #18 (permalink)
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Mine is Q743A748 I got it at NCIX U.S for $188
4.05Ghz stable with 1.35v.
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Old 01-29-08   #19 (permalink)
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Thanks Ledge!!
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DFI DK P35 T2RS BIOS
DFI DK Info
E8400 Batch #'s

My E8400 OC - My 3700 OC - My Opty OC

System: E8400, DFI DK System
CPU
E8400		 Motherboard
DFI DK P35		 Memory
OCZ, Team 6GB Total 		Graphics Card
8800GT 512
Hard Drive
Dual WD160, RAID 0		 Sound Card
Onboard		 Power Supply
OCZ Gamextreme 700		 Case
Antec 900
CPU cooling
Zerotherm		 GPU cooling
Stock		 OS
Vista Ultimate 64		 Monitor
Envision 22", Hanns G 19"
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Old 01-29-08   #20 (permalink)
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The batch code for my E8400 is Q746A519. I've only gotten it up to 3.6 without a voltage increase, and I'm sure it can go a lot further, I just haven't really played around with it yet because of my ****ty memory.
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