A64 3000+ wont go beyond 2.21Ghz !!

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amodpandya

Member
Feb 4, 2005
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check my sig for the config.....I have tried everything.....better cooling....now im using an XP-120 with a 3700RPM delta fan pumping in 142CFM.....but the system just wouldnt go beyond 2210Mhz.

..any suggestions...?...could it be the PSU cos i have 400W rt now and 3 hard drives...or is that the limit of CPU?...i certainly dont think so after looking at wht ppl have acheived with it.

Temps are....38-40 idle and 49-52 full load....

I am surprised though seeing my RAM which is DDR333 is running at a whopping DDR520....i dont know if its an average overclock for a RAM..but im impressed.

 
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thegimp03

Diamond Member
Jul 5, 2004
7,420
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those temps are pretty high for that overclock...i have my 3000+ at 2.4 right now, at load it gets up to 44, but idles in the low 30's
 
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superkdogg

Senior member
Jul 9, 2004
640
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Umm, could it be that your ram is quitting on you? You're not using a divider, are you? That would mean that your ram is way the help over where you could reasonably expect it to go! check the link that Zakee sent you and for God's sake let your poor 166 MHz ram take a break. LOL.
 
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Duvie

Elite Member
Feb 5, 2001
16,215
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I wouldn't assume anything here....

This thing needs to be 3x HTT multi and 133 divider set and then start ocing.....He has totally gone about this the wrong way and makes it very difficult to understand what his limit is and waht are the limiting factors.....NO isolation here...Follow Zebo's guide....

I am growing tired of the same old thread of ppl ocing who dont know what they are doing then come in here with there hands up and confused....
 
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Amaroque

Platinum Member
Jan 2, 2005
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Originally posted by: Duvie
I wouldn't assume anything here....

This thing needs to be 3x HTT multi and 133 divider set and then start ocing.....He has totally gone about this the wrong way and makes it very difficult to understand what his limit is and waht are the limiting factors.....NO isolation here...Follow Zebo's guide....

I am growing tired of the same old thread of ppl ocing who dont know what they are doing then come in here with there hands up and confused....
Click to expand...

I agree.

It's not difficult to OC an A64. It's a bit more involved then OCing a P4, but it's not rocket science. :roll: Follow what Duvie said to do. That's a good starting point. :thumbsup:
 
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Ackbar

Senior member
Dec 18, 2004
391
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Originally posted by: amodpandya
check my sig for the config.....I have tried everything.....better cooling....now im using an XP-120 with a 3700RPM delta fan pumping in 142CFM.....but the system just wouldnt go beyond 2210Mhz.

..any suggestions...?...could it be the PSU cos i have 400W rt now and 3 hard drives...or is that the limit of CPU?...i certainly dont think so after looking at wht ppl have acheived with it.

Temps are....38-40 idle and 49-52 full load....

I am surprised though seeing my RAM which is DDR333 is running at a whopping DDR520....i dont know if its an average overclock for a RAM..but im impressed.
Click to expand...

Stop complaining man :D , I can't get my 3200+ 90nm to go above 2100! :thumbsdown:

Trust me if you can overclock at all, you gained something. Overclocking isn't guaranteed and for some people with bad luck... you basically don't get anything out of it. I think I'm the poster child for lowest A64 overclockings...

But more to topic, just isolate and figure out what could be the limiting factor as much as you can.
 
Zebo

Zebo

Elite Member
Jul 29, 2001
39,398
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I am growing tired of the same old thread of ppl ocing who dont know what they are doing then come in here with there hands up and confused....
Click to expand...

werd ..need to study..patenice..noteage..

As for low overclcokers... I have my doubts..wish we had a chip exchange program. I always get some of the worst weeks/steppings and somehow OC well. Same with ram, same with mobos... y'all need to work it.
 
Avalon

Avalon

Diamond Member
Jul 16, 2001
7,571
178
106
Unless your 400w PSU is an Antec, Enermax, or something along those lines, chances are it does not have the necessary 12v amperage to power your system while overclocking. Also, you do not need 1.7v to overclock an A64. Most Newcastles can reach close to their max on much less than that. I suspect that you need to lower your LDT/HTT multiplier down to 3x, need to tell us what power supply you have, and also need to set a divider for you RAM, as I refuse to believe that PC2700 memory is running at PC4200 speeds.
 
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cyberknight

Senior member
Sep 3, 2004
378
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yes, do you have a divider on your RAM? It would also be nice if you did run DDR400 as well. And did you just pump up your voltage out of the blue? Or are you certain you need that much?
 
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gobucks

Golden Member
Oct 22, 2004
1,166
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I'm not so sure about lowering the HTT multi - whenever I see mobo reviews, they always try OCing with a 4x multi, then they try lowering to a 3x multi, and it never seems to help at all. I have my CPU at 278x9 and I'm at a 4x HTT speed, for around 1.1GHz hypertransport. Of course, I'm not sure how the 800MHz HTT A64s work, so a 3x multi might be necessary.

Anyways, I agree you need to run a divider - even if that DDR333 really can overclock that well, it's still likely that that's your bottleneck. And it sounds like your vcore is a bit high. I'd start off at default (1.5V, right?) and go as far as you can without increasing vcore, and try to remove other bottlenecks first. When you need to start upping your voltage, you're not too far away from your max speed, at least in my experience. My 3000+ (939) was stable up to 275x9 at stock vcore (1.400) and then my next bump to 1.425 only helped me hit up to 278. I haven't tried to go to much higher yet, i guess we'll see how that goes later on.
 
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Duvie

Elite Member
Feb 5, 2001
16,215
0
71
Remember ppl this is a newcastle and an Nforce 3 board...the HTT was only supposed to be 800 not 1000 like in the NF3 ultra and NF4 boards....4x is the likley default but at 260x4 would be above 1000 and where even some NF3 ultra and NF4 mobos could have issues....

800 is the target range here...3x260 would be nice...

Also dont mess with 1/2 multipliers yet...you should be testing on stock 10x multi
 
Megatomic

Megatomic

Lifer
Nov 9, 2000
20,127
6
81
HTT=1GHz works great on my system. 200MHz FSB with HTTx5. Why do I do it? Just because I can (Soltek gave me the 5x mult). It makes only a slight difference to my system's performance and stability though.
 
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amodpandya

Member
Feb 4, 2005
43
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ok guys...i just found ou that the problem was my PSU...i had POWMAX...which i just found out is a sh*t brand.....

about my RAM..no i dint just increase voltage cos its cool....i memtested it..and it was stable...so its def. not the ram thts causing it....

..just ordered the Sparkle 550w (+12v@36A)......sounds good?....
 
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Ackbar

Senior member
Dec 18, 2004
391
0
0
Originally posted by: Zebo
werd ..need to study..patenice..noteage..

As for low overclcokers... I have my doubts..wish we had a chip exchange program. I always get some of the worst weeks/steppings and somehow OC well. Same with ram, same with mobos... y'all need to work it.
Click to expand...
There's some evidence to believe that certain shipments of CPUs are worse than others... http://www.xtremesystems.org/forums/showthread.php?t=53029
 
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amodpandya

Member
Feb 4, 2005
43
0
0
I am growing tired of the same old thread of ppl ocing who dont know what they are doing then come in here with there hands up and confused....
Click to expand...

just trying to learn here man...im sure u dint become a master overclocker overnight!

thanks for all the help though.
 
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Icopoli

Senior member
Jan 6, 2005
495
0
0
Don't know how much easier it can get:

Boot to bios, goto CPU settings, hold down + while under FSB indicator until it reaches 240mhz, save + exit.

Voila, 2.4ghz chip that's supposed to run at 2.0ghz with nil temperature increase.
 
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rmrf

Platinum Member
May 14, 2003
2,872
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^^ 3000+ only have a 9x multi, that's why the htt multi and dividers are important
 
Markfw

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
27,112
16,022
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Well, I have An Antec 380 truepower with a 3000+ (winchester) on a neo2 plat and I can only get 2200. Some of these chips just won;t do it.

Edit, just replaced my hsf with a Silentboost K8, and found out mine is week 51 (I think, 0451 something) and those seem to be a bad batch.
 
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Chink

Junior Member
Feb 9, 2005
8
0
0
what program do you use to monitor temp readings in windows? mbm doesn't support the new ones yet...
 
GuitarDaddy

GuitarDaddy

Lifer
Nov 9, 2004
11,465
1
0
Originally posted by: Markfw900
Well, I have An Antec 380 truepower with a 3000+ (winchester) on a neo2 plat and I can only get 2200. Some of these chips just won;t do it.

Edit, just replaced my hsf with a Silentboost K8, and found out mine is week 51 (I think, 0451 something) and those seem to be a bad batch.
Click to expand...


I don't think it's the numbers on your CPU that are limiting your overclock. It's more likely the numbers on you power supply Antec 380 truepower not enough!
 
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helloguy

Senior member
May 26, 2001
260
0
0
well, my 3000+ can only go upto 2200(10x220) with mem divider(166) at 1.6vcore.. won't go anything near 2.3 :(
 
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