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X2 3800+

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Originally posted by: AthlonPowers
What is stock voltage for these chips? My Neo2 picks it up as 1.275v



I noticed that with my 4400+ I cant get the 10x multi to work with anything past 250 as well...I think the 10x is borked...

Try using 9x and a HTT of 270+...it worked for me....

MarkFW900 tried and confirmed same thing on his neo 2. first he used same bios and then even used a different one from me....9x should work but will require higher HTT and possibly a memory divider if the ram cannot handle it...
 
Originally posted by: AthlonPowers
What is stock voltage for these chips? My Neo2 picks it up as 1.275v

My Cool n Queit which is on and rated the lowest of Mobo's has it auto/stock @ 1.30v's

 
Mine came up as 1.29 which is about right since this board has undervolted everything about .06v....It set my 1.4v winnie at a default of 1.34v...
 
Well I've ordered the parts to my new system, and I splurged and got an X2 3800+ (total cost came out to ~750, which is $150 over my planned budget but oh well) and I would like to attempt a mild overclock. Probably to around 2.2 ghz. Should I be able to do this by just bumping the clock speed? I am a huge overclocking newbie, and don't want to burn out the processor (its pricy) so I am thinking that 2.2 would be a safe overclock. Any suggestions?
 
yes, do 1.4v and bump as high as it goes with a good HSF. You won't burn it out if you stay under 55c.
 
OK... so I've managed to drop my voltage a little, and I'm running at 50C load, 30C idle with 26C ambient. Is this OK? Where's the danger zone for voltage on these things? This is with an XP-90, so I'm a little disappointed that it's not that much better than the stock hsf, unless it's just my high ambient (without air conditioning)

This is at 2.5GHz, btw, I haven't tried stock speed in a couple of days 😀
 
If you can take a 3800+ and reach 4800+ or better speed you have done very well. Most of them are crapping out around 4400+ speeds. But considering the pricing, what a deal!
 
Originally posted by: Pabster
If you can take a 3800+ and reach 4800+ or better speed you have done very well. Most of them are crapping out around 4400+ speeds. But considering the pricing, what a deal!


the only down side to it... speed wise you might have a 4400+ but you are loseing a full MB of cache with the 3800+ verus the 4400+ toledo. Thats the only thing that makes me a lil "iffy" about the 3800+. Its a great chip and i recommend it highly, i just feel i am loseing something with only 2x512 instead of 2x1mb on the L2 (though i know it doesn't make alot of different at the moment.
 
i was gonna buy one of these and oc it, but i was wondering whether or not the cpu multiplier is locked, and what it would be locked at.
 
Originally posted by: Unkno
i wonder if we could get them to 2.6ghz by just raising a little voltage

My 4200 wouldn't do 2.6 stable with 1.6v

I wouldn't hold out a lot of hope that your average 3800 will do 2.6
 
Originally posted by: CrimsonCutie
the only down side to it... speed wise you might have a 4400+ but you are loseing a full MB of cache with the 3800+ verus the 4400+ toledo. Thats the only thing that makes me a lil "iffy" about the 3800+. Its a great chip and i recommend it highly, i just feel i am loseing something with only 2x512 instead of 2x1mb on the L2 (though i know it doesn't make alot of different at the moment.

This is true, speaking of 512x2 4400+ versus 1Mx2 4400+. However most tests show the difference relatively small (5-7% on average) although certain applications benefit more than others. That is the trade off for saving roughly $200 over the 4400 Toledo to begin with 😀
 
Originally posted by: Diogenes2
My 4200 wouldn't do 2.6 stable with 1.6v

I wouldn't hold out a lot of hope that your average 3800 will do 2.6

got my 4200 stable (so far) at 2.64 (240x11) with startup Voltage @1.45 and Vcore @1.475. Temp is 32-36 idle and 40-45 load. It's weird that when I set startup voltage to 1.475 it freezes when running 3Dmark05.
 
Originally posted by: Pabster
Originally posted by: CrimsonCutie
the only down side to it... speed wise you might have a 4400+ but you are loseing a full MB of cache with the 3800+ verus the 4400+ toledo. Thats the only thing that makes me a lil "iffy" about the 3800+. Its a great chip and i recommend it highly, i just feel i am loseing something with only 2x512 instead of 2x1mb on the L2 (though i know it doesn't make alot of different at the moment.

This is true, speaking of 512x2 4400+ versus 1Mx2 4400+. However most tests show the difference relatively small (5-7% on average) although certain applications benefit more than others. That is the trade off for saving roughly $200 over the 4400 Toledo to begin with 😀


I just want to buy a 4800+ for 25 bucks (shipping included) 😀 and then i'd be happy LOL... come on AMD price cut (is that such an unreasonable request)

I know the 1mb vs 2mb L2 isn't a major thing right now.. and i should just be happy with a 3800+ and in a year or year and half when winx64 and vista and all that are runninig and more apps can better use large L2 upgrade to a better cpu then.
 
I'm having a hard time because reports of overclocking are so different. All the inital reviews were saying the 4200+ was hitting 2.64 at 1.45V with ease and stability. Now, some people are saying the 4400+ overclocks better (common sense suggests that a much larger chip with more wattage would overclock less instead of more). Now, a few people on these boards are suggesting the the 4200+ will barely do 2.5 without more voltage. Damn it. Someone help clarify this for me.
 
Here's as good thread dedicated to overclocing the x2's on an Aussie website...

First page has a good overview of everyones success.

Me personally, still testing my x2 3800, it seems that to oc it, i need to take the straing off the memory controler, because even though my mem can go higher as tested at lower multi's... when i run it at 10 or 9, i need to use a a bigger divider to get it going..

and I think the guy above may be rite about the 10x multi, because i think i've hit a higher speed at 9x then i could with the 10.. (can't conclusly say for sure yet)

Anywhoo currently testing at 9x298 = 2.68@1.55v (CPU-Z says 1.50~1.52).
2x1GB Corsair TwinX XMS 3200c2 208@2.9v 2,3,2,2

Tested for about 15mins p95 stable and 3hrs wow stable.. Gonna give it a big overnite test now.
 
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