Thoroughbred A or B

hibner · Dec 17, 2003

How can you tell and whats the difference. I am looking at buying an XP 2200+. Also, is there anywhere you know of to buy one where you can request A or B.

David · Dec 17, 2003

You want a Tbred B without a doubt.

To tell the difference, look at the stepping. If it is something like JUIHB then it is a tbred b. If it is something like JIXIA then its a TBred A.

TBred Bs are far better for overclocking.

Tawcan · Dec 17, 2003

B for sure. You probably can't find too many A's around (new ones anyway).

I had my 1700+ A and I had to use quite a bit of Vcore to get it overclock to my need. 2100+ I had was "B" and I only needed to use ~1.75V.

c627627 · Dec 17, 2003

CPUs may have the same PR rating but they have different codes.
This is what they mean
http://forum.oc-forums.com/vb/showthread.php?s=&postid=2043693
http://www.overclockers.com/tips00173/

Thoroughbred B has an extra layer of copper interconnects to reduce interference which in turn allows them to be overclocked further.

Unfortunately Thoroughbred A's are not rare at all so be careful when buying, it's 300 MHz less OC with A's.

Como · Dec 17, 2003

i feel dumb for asking this, but wouldnt that make a DLT3C a "C" core? i dont think they exist, so that must be a different code than i'm thinking of, right?

c627627 · Dec 17, 2003

That's ok, you're confusing CPU cores with operating voltage.

There are DLT3C and DUT3C versions of both Thoroughbred A's and Thoroughbred B's cores.

L=1.50V, U=1.60V, K=1.65V, M=1.75V, P=1.7V

Codes:
http://www.ocforums.com/vb/vb/showthread.php?s=&threadid=222237
Cores:
http://www.c627627.com/AMD/AthlonXP/

hibner · Dec 17, 2003

You all are being a lot of help in a sea of confusion(yes I'm a newbi).

Which stepping of the T-bred B's is the best for overclocking, I know with the palomino's it was the AGOIA's.

c627627 · Dec 17, 2003

DLT3C B (not A) is the best. They're 1700+ and 1800+ DLT3C B (not A.)

After that, any 2100+ Thoroughbred B, even those made in late 2002 are excellent overclockers.

Thoroughbred A or B

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