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Has anyone overclocked an AMD64 AM2 3500+?

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December 29, 2006 9:06:10 PM

I'm planning to overclock it with stockcooling but i never done any OCs before so I'm little nervous. I tried to google for a guide on this but found none so far, i hit Sempron and others mainly :( .

More about : overclocked amd64 am2 3500

December 29, 2006 9:36:06 PM

Sorry, i forgot to mention my system spec:

AMD64 AM2 3500+ (Orleans)
1G DD2 553mhz (PNY)
80gig wd
Asus en7300le top 512mb turbocache

And that's about it really! :) 
December 29, 2006 10:03:34 PM

I had a socket 939 3500+ (winchester core). It was rubbish for overclocking I'm afraid, so I bought an opteron 165 instead which is ace.

Doesn't mean you shouldn't try though, you may have better luck than me. This is a good guide that will help:

http://www.neoseeker.com/Articles/Hardware/Guides/a64oc...

You must reduce your HT multiplier and put in a RAM divider before trying to overclock, or else you won't know if the wall you hit is down to the HT Bus / RAM or the CPU itself.

Good luck :) 
Related resources
December 30, 2006 7:59:34 AM

Thanks a lot for reply. I did read several tutorial about OC A64 (not the one you gave me :)  but i will read it)

I will try it today and keep you posted, off course!

P.S: My MB is a ECS NFORCE4M-A (V3.0)
December 30, 2006 6:37:37 PM

Well, as promised on above post, i here by describing my first OC process. I reduced the HT Multiplier down to 3x and change RAM clockspeed down to 200mhz but i'm still confused about ram divider as ram for AM2 is DDR2(200, 233, 333 and 400). So off i went changing the HT Frequency from 200 upto 230 and 225 at this Freq prime95 crashed and complained hardware error rounding was 0.5 expected below 0.4. I managed to get the comp stable about 220mhz but didn't go like 221,222...224. And the temp was about 41C. So what should i do now? I can't change the VDIMM since my motherboard doesn't offer this feature so i guess there is nothing i can do about this. However i can change CPU voltage!

One more thing, should i decrese the CPU multiplier (1x-11x) from the start?
December 31, 2006 5:41:24 AM

HT multi sounds good, RAM divider sounds good (probably can up it later). Have you tried upping your CPU voltage any? You might need to add a little. Try adding .1 to it and see what happens. Don't want to go much over .1 though.
December 31, 2006 9:20:06 AM

Thanks GlacierFreeze for reply. That is exactly what i did last night or morning ( i was up until 2am 8O to run prime95 test and it was okay!). Now im at HT Freg of 225 with increasing voltage from bios from 1.23 -> 1.250 -> 1.270 (1.30 is the maximum). It was like magic!!! :D 

I set everything manually including CPU multiplier (x11), HT multiplier (x3), Ram Clock (200mhz) and disable that K8 Cool&Quiet as well :o  .

I ran CPU-Z and it displayed CPU voltage of 1.265!? so i don't know what happening there!

Lastly, let me sum up:

Core speed: 2475 Mhz
Multiplier: x11
Bus Speed: 225 Mhz
HT Link: 225*3=675 Mhz

I plan to runs some intensive prime95 and super-pi today to test for stability and after that i will increse the HT Multiplier to x4 (if everything is still fine! :o  )

Any suggestions are welcome!
December 31, 2006 8:29:57 PM

Uping the HT multiplier to 4x should not decreasethe stability at all as long as the bus x the HT multi is below 1000 you will be fine. Also if you proc is using less voltage then you can feed is and its temp isnt to hot you should try increasing it more, and more and more :twisted: oh and just make sure your ram can take it
January 1, 2007 8:52:31 AM

Quote:
Also if you proc is using less voltage then you can feed is and its temp isnt to hot you should try increasing it more, and more and more Twisted Evil oh and just make sure your ram can take it


How can i be sure?

Im wondering lowering the Ram speed from 233Mhz to 200Mhz effect the overall performance?

Thanks for replay :D 
January 2, 2007 7:45:57 PM

Quote:
Also if you proc is using less voltage then you can feed is and its temp isnt to hot you should try increasing it more, and more and more Twisted Evil oh and just make sure your ram can take it


How can i be sure?

Im wondering lowering the Ram speed from 233Mhz to 200Mhz effect the overall performance?

Thanks for replay :D 

Whatever your default in BIOS is, just go lower one step at a time, then run one of those programs for a while to test stability. If it crashes (even after a couple hours), you could raise the timing numbers a tad or even set the divider down lower to another step then test more.

Good luck. Sounds like you have the hang of it now. Easier than you first thought huh? lol
January 3, 2007 4:02:03 PM

Quote:
Good luck. Sounds like you have the hang of it now. Easier than you first thought huh? lol


Lmao! yes, i do think i got the hang of it now. Thanks to some of tutorials i have read lol and you guys for feedbacks. And it's pretty fun too but time consuming :(  :D 
January 4, 2007 11:37:20 AM

Orleans CPU`s are pretty nice for OC`ing as they run on low temperatures.
I have 3500+, same as yours, also stock cooling and so far I have OCed it till 2560 Mhz without too much effort.
January 4, 2007 5:54:01 PM

Kool!!! Can you tell me what brand of Motherboard is yours? :D  (if you dont' mind)
January 8, 2007 12:06:22 PM

Gigabyte GA-M55S-S3, pretty nice mobo for a budget PC (~80$)
January 8, 2007 5:44:16 PM

Nice man! Beat my Motherboard, lol! :D  8O
January 8, 2007 9:04:20 PM

Quote:
I ran CPU-Z and it displayed CPU voltage of 1.265!? so i don't know what happening there!

Your power supply isn't perfect; there will be a little deviation, especially when you get to budget power supplies. Just make sure you're around the voltage range you want and the temperature stays below 50c (especially if you're running 24/7).
January 9, 2007 7:25:48 PM

Thanks for replying to my particular question. I got a 400w psu from jeantech. I do indeed try to keep the temp below 50C and i won't never be able to run the comp 24/7 since the "elders" would complain! :D 
April 11, 2007 8:04:02 AM

Sorry for bringing up the old thread. Just want to update it a little. :D 
Well, i bumped up my my Vid (Vcore) to maximum 1.30 and manage to get up to 2530 mhz. :wink:. Run prime95 torture test for 6.59 mins without any problem.

Core speed: 2530 Mhz
Multiplier: x11
Bus Speed: 230 Mhz
HT Link: 230*3=690 Mhz

When i tried to increase the bus speed to 232, got back to windoze and ran prime95 torture test for 9 mins and it gave me fatal error ... 0.5>0.4. As i read from another thread, this error is likely caused by memory. But i don't have option to increase Ram voltage in my motherboard so i don't know what else i can do here?

Any suggestions/commands are welcome! :D 

Cheers!
a b K Overclocking
April 11, 2007 8:43:37 AM

Your HT speed may be too low if it makes sense. The HT link is sensitive to deviation from 1ghz, both above and below. Try setting it at 4x again and give it a go. That will bring you just under the default 1ghz. As for what cpu-z is displaying, it is normal. What you set in the BIOS and what the actual vcore is nearly always differ, as the sensors that the BIOS (and cpu-z) reads are inaccurate to different degrees on each individual board.

EDIT: Once I get a new psu I'll be OCing my 3700 sandiego , hopefully to 2.7+ :D 
April 11, 2007 11:14:11 AM

Wicked! Thanks for your reply! :D 
At least i get some input. I will try to increase HT to 4 again and *shoot*!

I heard that changing ram latency can help a little in my situation, is this true? . I found out my motherboard got hidden ram features by pressing Ctrl+F1 in BIOS!

3700 Sandiego!!! Nice man :D . i'm so tempting to get a X2 AMD since the price is hitting so low.
April 11, 2007 1:21:13 PM

lol, i couldn't shoot very far! Uppered the HT to 4, got back to windoze and ran prime95 for 13 mins and same error. Well, 8 more minutes trade off, lol.

Well, i think i have bit the bottom of this cpu.
April 11, 2007 2:05:14 PM

Quote:
EDIT: Once I get a new psu I'll be OCing my 3700 sandiego , hopefully to 2.7+ :D 


You should be able to hit 2.6-2.8GHz, as the 3700+ is the same core as the FX55/57.

FTW, it still amazes me how our systems are almost identical, barring the video card (I'm jealous of yours).
a b K Overclocking
April 12, 2007 1:00:38 AM

Lol, my psu is nearly biting the dust coz of that card, bad smells are creaping out of it :?
April 16, 2007 7:57:23 PM

ah, now my comp is crashed randomly!!! Im pretty sure it's because of the memory. I think in the result of oced the cpu, i had also oced myram module as well. And it could not cope for long! But i'm not entirely sure so i included some screenshoots of cpu-z my cpu and memory.





Originally, i overclocked to 2530mhz (230 x 11) ( my highest oc that passed 6hours prime95 torture test)

As the computer becomes unstable, i reduced HT to 228 (x 11) = 2508mhz.

Im gonna use this setting for few hours to see if it's crashed again (hope not). I don't know what else i can do to remedy the situation, i would love to stay at 2530mhz but if i have to reduce, i like it at least 2500mhz.

Again, comments and suggestions are welcome!

Thanks in advanced!
a b K Overclocking
April 17, 2007 12:12:23 AM

The HT multi doesnt go higher than 5x, I think your confusing it with the cpu multi. Plus it wont run stably at much more or less than 1000mhz.
April 17, 2007 8:46:58 AM

I know the HT multi doesn't go higher than 5x that's why i got it at 4x. And cpu multi is start at 200mhz, right?

But i don't get your point! :(  (sorry). Were you saying i should just leave it like that or ...?
April 17, 2007 10:00:57 AM

I must have had a different core or something cause I OC'ed my 3500+ to 2.55Ghz (max my crappy cheapazz biostar K8M800 mobo could go) with stock cooling and vcore. All I did was up the FSB to 232. It ran at about 40 with prime95.

Got my dual core and X1650pro all up and running now. I'm so happy. Selling those old parts this week in the local classifieds, along with my XFX 7600GS 512MB!!!
April 17, 2007 10:04:35 AM

Oh yeah, forgot to mention that CPUZ saw my 3500+ as an FX53!!!
April 17, 2007 12:15:05 PM

I suppose you use older version of cpu-z cause at the time i have the cpu, cpu-z (v1.37) identify mine as a FX-5<something>. If you are using the latest version 1.39 or even 1.38 and it said so then you are a lucky man! :wink:

Btw, what ram do you use for your AMD 3500+?
April 17, 2007 12:28:49 PM

It is version 1.36. I haven't checked for a new one in a while. It doesn't matter. I'm selling that cpu and mobo this week still. I'm unfortunately not firing it up again to see what it says with the new version, too much effort...
a b K Overclocking
April 19, 2007 1:55:13 AM

Sell it as an FX-53, it may be worth more! Use cpu-z to "prove" it :lol: 
a b K Overclocking
April 19, 2007 1:56:57 AM

Quote:
I know the HT multi doesn't go higher than 5x that's why i got it at 4x. And cpu multi is start at 200mhz, right?

But i don't get your point! :(  (sorry). Were you saying i should just leave it like that or ...?

Read your previous post (with the screenies) you said you had the HT at 11x (2508mhz). Thats what I was referring to.
April 19, 2007 2:39:43 AM

My A64 3500+ Venice core overclocks very easily to 2.5. See my sig for the settings. My RAM runs at nice low latencies by keeping it near 200 using the divider. (It is DDR, since I'm on a socket 939 system.) If you are still somewhat unstable, set your RAM to its default latencies and try 10x, 250 HTT, 4x HT, Divider 5:6 settings. (Actually, I haven't thought about whether these 939 settings translate the same on an AM2 board.) Also, I think I read somewhere that the odd multipliers (9x, 11x) didn't result in what you would expect. Don't recall the details, it's been almost 2 years since I built this system. It's been perfectly stable and cool ever since. My heatsink beats stock, but the fan is slow (and very quiet), so your stock cooling should be just fine for this modest overclock.
a b K Overclocking
April 19, 2007 2:43:29 AM

I think it was only half multis that were the issue. But maybe someone else can clarify.
April 19, 2007 2:51:52 AM

Yes, now that you mentioned it, I think you are correct.
a b K Overclocking
April 19, 2007 3:01:12 AM

I think it rounded to the next multi up, but its been awhile since I read it. Will have to again soon, when I get round to OCing my 3700. 2.2GHz just doesnt cut it. Stays nice and cool tho with a 0.1V undervolt and a fan @1600RPM
April 21, 2007 7:46:59 AM

Quote:
I know the HT multi doesn't go higher than 5x that's why i got it at 4x. And cpu multi is start at 200mhz, right?

But i don't get your point! :(  (sorry). Were you saying i should just leave it like that or ...?

Read your previous post (with the screenies) you said you had the HT at 11x (2508mhz). Thats what I was referring to.

Sorry, i should re-read some tutorials on amd OCed again! :oops:  :( 
April 21, 2007 7:57:31 AM

Quote:
My A64 3500+ Venice core overclocks very easily to 2.5. See my sig for the settings. My RAM runs at nice low latencies by keeping it near 200 using the divider. (It is DDR, since I'm on a socket 939 system.) If you are still somewhat unstable, set your RAM to its default latencies and try 10x, 250 HTT, 4x HT, Divider 5:6 settings. (Actually, I haven't thought about whether these 939 settings translate the same on an AM2 board.) Also, I think I read somewhere that the odd multipliers (9x, 11x) didn't result in what you would expect. Don't recall the details, it's been almost 2 years since I built this system. It's been perfectly stable and cool ever since. My heatsink beats stock, but the fan is slow (and very quiet), so your stock cooling should be just fine for this modest overclock.


I already tried it, but it barely got through windoze boot screen and reboot immediately, don't even see the welcome screen! I have no memory divider option in my mother board. I put DDR2-4300 (266) down to 200 but I overclocked in so it runs at 228mhz at the moment. It seems to be stable at this level, CPU is at 2508mhz. I just don't know what happened to the #Bank Cycle Time, it's at 13 but timing table shows it should be 12. Therefore, i was thinking about if i loosen the memory latency a little then i can OC my cpu a bit more. I'm gonna try it.

And thank you all for your feedbacks. It's great, keep my feet on the ground :wink: :D 
a b K Overclocking
April 21, 2007 8:15:26 AM

Where you set your mem clock speed is the "divider". Some BIOSes show it in ratios, others just the speed of the RAM. In your case, its the speed.
April 21, 2007 3:59:38 PM

Got it!!
July 3, 2008 2:18:41 AM

1612564,27,63805 said:
I must have had a different core or something cause I OC'ed my 3500+ to 2.55Ghz (max my crappy cheapazz biostar K8M800 mobo could go) with stock cooling and vcore. All I did was up the FSB to 232. It ran at about 40 with prime95.

Got my dual core and X1650pro all up and running now. I'm so happy. Selling those old parts this week in the local classifieds, along with my XFX 7600GS 512MB!!![/ quotemsg] :bounce:  Hey I need some help and saw u had a biostar K8M800 mobo , did u have any problems with incorect CPU temp readings. I have same board with a AMD 64X2 4400+ 2.30 GHz OEM and says its @65c on start up. tried to correct with bios update but must have got a bad flash ,wont recognize my crucial DDR2 PC2 5300 RAM (2x 1.024 G)now just getting beep codes,RMA to biostar waiting to see what I get back. are these athalon 64 X2 4400+ any good for OC? and im open for suggestions on bios vers & tips on OC. thanks
!