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opty 165 stepping ?

post #1 of 25
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I am getting 165 opty from new egg tomorrow and will post what steppimg I get....they look like they are all CCBBE's right now.

Anybody know a link or whould like to explane what the first(letters) and the 3rd(letters)stand for?

...I allready know that the middle part of the code is the birthday.

From what I have heard the stepping code refers to the spec of the silicone billet and the location on the big round wafer that the particular CPU originated from.

My W/C Rig with wall a/c will idle 11c with vc 1.58 @2.86 with my crappy 89w 4400(stepping appears to be bad now) and newegg is out of them.

I cant wait to get my claws on this puppy
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post #2 of 25
1st letter= production release C is for current
2nd letter= A = single core, 1MB; B = single core, 512KB; C = dual core, 1MB (each); D = dual core, 512MB (each)
3rd & 4th letter= memory control revision such as;
FX-55: XXA2X
FX-57: XXBNX
FX-57 (new stepping)/FX-60: XXB2X
3700+ (new stepping): XXB3X
Opteron 165/170:XXBWX, XXB1X, XXBBX
5th letter= is the revision code, like the E is refering to the San Diego Core

Read through this:

What do the letters mean?

CCBWE/CCB1E/CCBBE

Quote:
Originally Posted by freecableguy @ xtremesystems
Example: CCBWE

CCBBE
1st letter: "production/release code"
Pre-production or early samples have an "A" here where final production batches will be a "C" (for current chips). Some may recall that Venice samples where seen in the wild as "ABBLE" and current production runs are "LBBLE". While complete understanding of this is unknown at this time, it is clear that this has something to do with early samples.

CCBBE
2nd letter: "core cache code"
A = single core, 1MB
B = single core, 512KB
C = dual core, 1MB (each)
D = dual core, 512MB (each)

Note: 'Toledo' cores (1MB) with half the cache disabled will still be coded as "C". Therefore, you can see earlie 4600+ samples as ACXXX with only 512KB per core enabled.

CCBBE
3rd and 4th letters/numbers: "memory controller revision"
Works like a counter using all letter of the alphabet and digits 1-9. 3rd letter increments when running though all available 'steppings' as noted by the 4th letter.

FX-55: XXA2X
FX-57: XXBNX
FX-57 (new stepping)/FX-60: XXB2X
3700+ (new stepping): XXB3X
Opteron 165/170:XXBWX, XXB1X, XXBBX
...
and so on...

CCBBE
5th letter: "revision code"
C = rev C (as in CG Clawhammers)
D = rev D (as in D0 for CBBID chips....)
E = rev E (as in the rev E 'San Diego' core)

-FCG & s7e9h3n

0530, 0534, 0550, 0551, 0606, 0607, 0608, 1610 etc. etc. etc.
Simple,
the first 2 numbers (0610) are the year the CPU was made
the second 2 numbers (0610) are the week of that year that the CPU was produced (hence the highest it could ever be is 52)

MPMW, UPMW, VPMW, DPMW etc. etc.
These are some kind of packing code, it is beleived that the first letter (DPMW) has to do with the day the CPU was made, the details are still unknown.

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

Opteron 165:
CCB1E 0550VPMW
CCB1E 0606VPMW
CCB1E 0608MPMW
CCBBE 0610DPMW <- known stepping in stock here: www.flickerdown.com/stor.....on=show_detail

Opteron 170:
CCBWE 0550UPMW <- this one is the exception to the rule, this stepping actually has quite a few total duds that can't exceed 2.7ghz. Still, I myself have owned one that did 3ghz.
CCB1E 0550VPMW
CCB1E 0609FPAW

Honorable Mention:
CCBWE 0530TPMW -> most of them cant quite hit 3ghz, more like 2.9-2.95.
CCBWE 0546XPMW -> OK stepping, 2.85-2.9ghz average
CCBWE 0609FPAW -> Do not confuse with the CCB1E 0609FPAW, which is a better CPU. This CCBWE version seems to be a 2.9ghz average.

KNOWN steppings to AVOID if you want at least 2.9ghz:

CCBWE 0607_____(Any processor of that week)
CCBWE 0551_____(Any processor of that week)
CCBWE 0546MPMW
CCBWE 0543TPMW
CCBWE 0534SPMW
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post #3 of 25
The above post summed it up
http://wiki.extremeoverclocking.com/...eron_Steppings

My Opteron is sitting at 2.9 @1.4V and as soon as I finish my WC I will go for 3.0.
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post #4 of 25
some stepping from newegg has been the dreaded CCBWE. that one you want to avoid if you want to hit 3 GHz. fortuantely my opty from newegg was CCBBE and hit 3 GHz on 1.48v i probably have a bit of room to go up too, just haven't tried yet.
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post #5 of 25
Quote:
Originally Posted by mudd View Post
some stepping from newegg has been the dreaded CCBWE. that one you want to avoid if you want to hit 3 GHz. fortuantely my opty from newegg was CCBBE and hit 3 GHz on 1.48v i probably have a bit of room to go up too, just haven't tried yet.

Mine needs 1.525V for 3.0, but it gets too hot above 1.45V, so I'm waiting for my water to finish so I can push it more.
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post #6 of 25
Quote:
Originally Posted by Melcar View Post
Mine needs 1.525V for 3.0, but it gets too hot above 1.45V, so I'm waiting for my water to finish so I can push it more.
daggum. my opty only hits 44c on FULL LOAD w/ TT BT
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post #7 of 25
Thread Starter 
Quote:
Originally Posted by mudd View Post
some stepping from newegg has been the dreaded CCBWE. that one you want to avoid if you want to hit 3 GHz. fortuantely my opty from newegg was CCBBE and hit 3 GHz on 1.48v i probably have a bit of room to go up too, just haven't tried yet.
Thats the stepping on the 89w4400 thats in ther naw,1.6v wont hit 2.93 .Thats when I knew I had a dog.....
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post #8 of 25
Quote:
Originally Posted by mudd View Post
daggum. my opty only hits 44c on FULL LOAD w/ TT BT

Mine is doing 40*C with dual intances of Prime at the moment with an SI-120 .
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post #9 of 25
One thing to mention though. The CCBBE, CCB1E are known to be cold bugged with the use of a phase setup. The CCBWE stepping are not typically cold-bugged. This is not much of a factor for us mere mortals who can only dream of phase, but it is useful to know if it is an idea you have been flirting with.
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post #10 of 25
Quote:
Originally Posted by Melcar View Post
Mine is doing 40*C with dual intances of Prime at the moment with an SI-120 .
what speed are you at? and i'm talking about core temps.....
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