T-bred B on A7V133 1.01?

Speedo

Senior member
Jan 12, 2000
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I have an old A7V133 (think it is rev.1.01, not 1.05). I just got my hands on a 1700+ T-bred B. As I understand it, it shouldn't work, right? Is it a voltage-only issue, or what? I wouldn't care if the voltage was a bit too high, since I have good cooling...

So could a tbred work on this old A7V133, with the latest BIOS?
 

drewski

Golden Member
Mar 29, 2001
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i have a rev 1.04 w/ the latest bios. does not post with a t-bred. :( their site says only rev 1.05 & up.

that said, i saw one person with t-bred & a7v133 w/ lower rev than mine in their sig. i sent him a PM to see what his secret was. haven't heard back yet.
 

ChampionAtTufshop

Platinum Member
Nov 15, 2002
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i dunno, but so far i know of 2 ppl (one other, one myself) who have gotten a tbred b to work with a7v (predecessor to a7v133)

and i have no support whatsoever for tbreds lol (but its running at 100freq)

to chck the revision, look in between the pci slots...usually 4th and 5th

Floopyb at overclockers.com has one on a7v133 i believe

 

johncar

Senior member
Jul 18, 2000
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Originally posted by: Speedo
I have an old A7V133 (think it is rev.1.01, not 1.05). I just got my hands on a 1700+ T-bred B. As I understand it, it shouldn't work, right? Is it a voltage-only issue, or what? I wouldn't care if the voltage was a bit too high, since I have good cooling...

So could a tbred work on this old A7V133, with the latest BIOS?

Works fine with A7Vs, just as Champion writes.
<a href="http://www.beachlink.com/candjac/index.htm">
http://www.beachlink.com/candjac/index.htm</A> link to Workarounds article for mod to enable high range of Multipliers, then Tbred article, Table of Settings documents what to set for what you want...up to 24X. Updates at bottom of Table document A7V successes.
John C.

 

Speedo

Senior member
Jan 12, 2000
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I wonder what the difference is between the different board revisions, that makes "before 1.05" uncompatible. I guess I won't take the risk of burning this babe:

My 1700+ T-bred "B"
 

Soulkeeper

Diamond Member
Nov 23, 2001
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the board won't burn it

Any socket A motherboard will run any current socket A cpu if you take the time to make it work
just not "officially"
 

KF

Golden Member
Dec 3, 1999
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I'm sure the voltages available will be OK. The pins on the CPU which tell the mobo what the voltage is supposed to be are the same on all Athlons. Set the voltage to default in the BIOSif you have set it differently or reset the CMOS.

Probably the BIOS will not identify the CPU correctly. That's what the mobo makers mean by no support.

The big problem will be what multiplier the BIOS tries to boot the CPU as. (Mine sets it to 12.5 which they call 1300 and above. ) The Tbred B has a lot of multipliers that it won't boot with. Some of them are too high: 24x, and it won't OC to that. Some of them put it in a power down mode, or would if it were a mobile type CPU, which just makes it not boot.
 

ChampionAtTufshop

Platinum Member
Nov 15, 2002
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you wont burn it up (unless you incorrectly mount heatsink+fan) by giving it a shot
that was my reasoning behind my attempt, and now i ve got a 1700+@1700mhz at default voltage