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Q batch C2D e6400

G

Grentz

Fully [H]
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May 5, 2006
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So I just got 2 new e6400s in the mail today for customers.

One was the normal L632 type batch, but the other is something I have never seen, a Q batch!

It is a Q641A425 manufacture date 1/31/07

Does anyone know how well it would OC? I might pop it in my board and give it a shot, but I do not know if I want to or not as the last e6400 I tried was sorta a OCing dud :(
 
Not sure myself but I'd venture to guess the Q mean it's a Allendale. All E4300 I know use Q as the first letter and a few E6300/E6400 has Q as well. I also heard the 2Mb E6x00 started to use Allendale core too so maybe that's the tip.
 
I might be wrong but I thought Q641 meant it was manufactured the 41st week of 2006.

The early E4300 in the database is Q640 so this makes sense.

CPU-z should report a Revision of L2 instead of B2 if it really is one of the new ones.
 
might wanna look it up in the oc database... I've noticed one Q e6400 in there...
 
Where did you purchase it from? I just ordered a 6400 from zzf that will be here tomorrow. I'll have to look.
 
Actually the Q is the place of manufacture code (Q and L both are Malaysia).

I bought it from newegg, but the other I got was a L from 11/20/06, so its really just luck of the draw :p
 
Xilikon said:
And the code start with Q ?
Click to expand...


Pretty sure, but I am not ripping off my heatsink again to check :D since that requires mainboard removal, which requires hard drive removal, etc.:eek:

edit: my E6400 came from the egg.
 
TheRapture said:
Pretty sure, but I am not ripping off my heatsink again to check :D since that requires mainboard removal, which requires hard drive removal, etc.:eek:

edit: my E6400 came from the egg.
Click to expand...

Was it OEM CPU? because the box also has the code...
 
I had one Q44 6300 and it was pretty bad in comparison to others I've tested, only ~3.15-3.2Ghz stable and fsb wall around 465
 
kiwi.fruit said:
I had one Q44 6300 and it was pretty bad in comparison to others I've tested, only ~3.15-3.2Ghz stable and fsb wall around 465
Click to expand...


Wow, how BAD of Intel to make a 2.13ghz chip that ONLY overclocks to 3.1ghz or better....you should never buy from them again. EDIT: I see you stated E6300....but still, over a 1ghz overclock? You should be happy hehe.

;)


I'll be brutally honest, for $222, I am at 3.2ghz, and that is a fuckin bargain compared to the old X2 I paid $335 for that was only good for 2.6ghz....not to mention the C2D at stock speeds outperformed the X2 overclocked.
 
Meh, I will stick with the e6600 in my machine right now. Dont really feel like doing the whole OC round about again.

At 2.88GHZ my e6600 is amazingly fast as it is, faster than most anything out there and can play any game at max with my setup. So I am happy for now :p
 
Maybe Malay chips are moving to Q designation from L or there are 2 plants in Malysia one producing Q and the other L....... oc wise youll find out I guess...
 
Grentz said:
At 2.88GHZ my e6600 is amazingly fast as it is, faster than most anything out there and can play any game at max with my setup. So I am happy for now :p
Click to expand...


Ah come on man you can squeeze out 3.2 heck go for 3.4 :D
 
msg1285 said:
Ah come on man you can squeeze out 3.2 heck go for 3.4 :D
Click to expand...


I was stuck at 2.8 basically, and after some careful thinking and setup...along with reseating my heatsink....3.2 came easy. But I am done. It's fast enough!
 
Try raising your pci to 120 Rapture, maybe youll get past the 3.2 barrier j/k
 
msg1285 said:
Ah come on man you can squeeze out 3.2 heck go for 3.4 :D
Click to expand...

Yep, and it takes 1.47vCore set in bios which makes my board not restart correctly (it hangs unless you turn it fully off and then back on again) (P5B-E which has been a great board besides that tid bit).

2.88 is good :p
 
Wow 1.47 to get there does kinda stink guess I'd quit too if I had to overvolt that much. :(

I'm a wimp though it scares me to overvolt to much I'm always afraid I'm gonna get the blue smoke of death rolling out. Guess 2.88 is better than a paper weight
 
TheRapture said:
Wow, how BAD of Intel to make a 2.13ghz chip that ONLY overclocks to 3.1ghz or better....you should never buy from them again. EDIT: I see you stated E6300....but still, over a 1ghz overclock? You should be happy hehe.

;)
Click to expand...

Well, I am rather xtreme, that's why I said in comparison to others I've tested :D

Take my best 6300, it is 3.65 stable 24/7 and almost 3.8 benchable (and it is MB limit, not cpu)

http://www.hwbot.org/signature.img?iid=11529&thumb=false
 
I have one of these newer revisions as well, it comes up as Allendale in CoreTemp. Got it from the egg last week (E6400).

I got it up to 3.2Ghz last night without much fuss at all. I haven't given it a full torture test yet, but when I got to 3.3Ghz it would reboot after about a minute in Battlefield 2. I've only got the VCore set to 1.375V, so I've still got some room in that department, and heat isn't an issue at all yet either.
 
msg1285 said:
Wow 1.47 to get there does kinda stink guess I'd quit too if I had to overvolt that much. :(

I'm a wimp though it scares me to overvolt to much I'm always afraid I'm gonna get the blue smoke of death rolling out. Guess 2.88 is better than a paper weight
Click to expand...

and like i said still killer fast. Even at stock the e6600 and any C2D for that matter flies. Heck, my 3.4GHZ P4 that was so fast awhile ago gets stomped by a e6300 @ stock :p
 
I just received mine today with Q641A426 (I think). I'm putting it together this weekend so we'll see what happens.
 
is that good or bad? :p
Havent oc it yet since i really dont have a reason to, maybe when UT3 comes out :)
 
I just pulled the trigger on an E6400 from Newegg after seeing this thread. I'll report on batch. I wasn't in the position to spend another $100 on the E6600 and the E4300 just seems too iffy for me, even though I was a staunch supporter pre-launch and during the initial reviews before the end-users got a taste of the lackluster overclocking.

Oh I hope I get a good batch :(
 
I just received from NCIX a Q batch E6400 and I will soon experiment how much room there is for overclocking.
Please note that I would happily exchange mine for an E batch Q6400...:p
 
These new L2 steppings don't seem to be a good as the B2 steppings. Just got a e6300 Q648A .7x429 @ 1.425v is the best I can get out of it. Not bad, but not as good as the B2 steppings. I have a e6400 L624A that does 8x438 @ 1.4625 and the e6600 in my sig is L628B that I've had to 3.8ghz for some quick benches.
 
Hmm, to follow up on the one I received from ZZF. It's an E6400 labeled Q641A426. I can't complain about what I received. I currently have it at 3.2ghz (stock voltage) on a BadAxe 2, Tuniq Tower (30C idle, 54load), Buffalo PC6400 spec'd at 5-5-5-15 but running at 4-4-4-12 at stock voltage as well. I've run it through memtest, orthos, tat, super pi, etc and have yet to have it fail on me. Wonder how much more I should push this thing?
 
TypeO said:
Hmm, to follow up on the one I received from ZZF. It's an E6400 labeled Q641A426. I can't complain about what I received. I currently have it at 3.2ghz (stock voltage) on a BadAxe 2, Tuniq Tower (30C idle, 54load), Buffalo PC6400 spec'd at 5-5-5-15 but running at 4-4-4-12 at stock voltage as well. I've run it through memtest, orthos, tat, super pi, etc and have yet to have it fail on me. Wonder how much more I should push this thing?
Click to expand...

That's prolly good for ANY batch, imho :D
 
TypeO said:
Hmm, to follow up on the one I received from ZZF. It's an E6400 labeled Q641A426. I can't complain about what I received. I currently have it at 3.2ghz (stock voltage) on a BadAxe 2, Tuniq Tower (30C idle, 54load), Buffalo PC6400 spec'd at 5-5-5-15 but running at 4-4-4-12 at stock voltage as well. I've run it through memtest, orthos, tat, super pi, etc and have yet to have it fail on me. Wonder how much more I should push this thing?
Click to expand...


Thats awesome! The e6400 I had before could not do that (in fact, i could never get it stable over 3ghz with less than 1.4vCore)

I
 
I put together the system in my sig only 2 days ago. The e6400 I received from newegg is a Q703A106, Pack Date: 02/27/07.

I have it at 2.66Ghz. But today I thought I would try to go a little higher. Got it stable @ 375X8 3.0GHz, vcore set to 1.375. I stress tested it for 30 minutes useing OCCT.

When I tried 400X8 it would crash loading in windows. If I spent more time on it I think I could get to 3.2GHz, but I am a oc noob. So I just set it back to a nice and easy 333X8. It seems pretty fast as it is.
 
give it some volts and get some clock speed out of it. i dont get this undervolting/stock voltage thing. ive never heard of a c2d frying under 1.6v vcore. actually, ive never heard of one frying at all. the vcore adjust on my mainboard goes up as well as down. mostly up.
 
The batch of my new E6400 is Q652A044 and pack data is 02/21/07.
So far, Orthos is stable @ 3.2GHZ with 1.37v. According to CoreTemp, temps at load are around 44C.

I am happy with my overclocking settings and I do not plan to push further (well maybe 3.4GHZ...). I think that my memory will not be able handle more than 850MHZ. Well for 190$CAN + GTS, shipping included, I cannot complained.

BTW, the DS3 rev 3.3 is a remarkable motherboard. The board still boot using safe parameters when voltage is insufficient. I did not have to manually clear the CMOS once which is annoying thanks to my clumsy fingers.
 
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