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Overclocking AMD 64 3000+ Venice

A

Anime_Fan

[H]ard|Gawd
Joined
Mar 1, 2004
Messages
1,207
Ok so I read eclipse's guide to overclocking amd 64. Nice guide I might add :) I also did some other research and it took me a while to get a grasp on the HTT with the multipliers and memory dividers. Anyway, I tried my hand at overclocking my setup this is my first amd 64 so of course I am a little new with some of these settings. So I can hit 235 FSB x 9 for 2097Mhz with my HTT multi set at 4 and a divider of 10. It posts and I can run prime95 for a while and I even ran a full 3DMark 2005 with no hiccups at all, which by the way resulted in only like 3850 or something for a score when at stock cpu I am at 3950 - 3975.

Anyway I figure lets bump it a few more so I try 238 x 9 same htt multi and divider, wont POST at all...so I reset the BIOS and bump the voltage to 1.425 CPU and give the chipset a nudge to 2.55. Same story no POST...reset BIOS again bumped cpu volt to 1.450(board max) and nudge the chipset to 2.55 again I also bumped my mem volt to 2.70 and it still does not POST...so I reset BIOS again...think well maybe mem isnt happy at 216mhz lets kick it down so I try a divider of 11 to bring it down ....same story no POST.

So how is it that I bump my cpu almost 300mhz and actually lose performance? Seems odd to me and I feel that I am missing something. I have my RAM at 2.5 3-3-3-8 with 1T CPC should I kick it back to CAS 3? Or is it something else?

I'm definately not an expert when it comes to this stuff so any advice is certainly appreciated. My specs are in my sig ;)
 
When you say you reset the bios, do you mean you reset the fsb back to 200mhz?

What is the stock multiplier on that cpu?
 
By resetting I mean resetting the BIOS to factory default just so it will POST again. I of course didnt leave it at 200 FSB.

The stock multi is 9x
 
MSI K8N Neo 4

yeah I couldnt really believe it either it seems kind of low. Dont most boards go up to like 1.65 or 1.75?
 
Update your BIOS to the newest version. It fixes alot of problems including the one you are having.
 
OO that's a good board.. must be the latest bios I heard somewhere .. where it lowers the vcore adjustment..
 
2uantuM said:
Update your BIOS to the newest version. It fixes alot of problems including the one you are having.
Click to expand...


Did that right after I got the board, it is still the latest as of today.

I went and did some digging around in the BIOS and you can go higher but its really lame. They call it something like volt over startup and you have to bump it by 3.3% increments not volts it confused me before but I see how it works now. By the way I lowered the ram divider down to like 13 and still did not post past 235 FSB. I bumped up voltages to cpu ram and chipset and that seemed to do nothing.
 
hate to say this, but it's a typical problem for the msi k8n neo4's to be able to do pretty high htt speeds in windows via clockgen, and not even post with the same things set in the bios. not sure what the deal is, but the limit seems to be around 220-230mhz in the bios. i would do some poking about to see how high you can boot without issues :(
 
(cf)Eclipse said:
hate to say this, but it's a typical problem for the msi k8n neo4's to be able to do pretty high htt speeds in windows via clockgen, and not even post with the same things set in the bios. not sure what the deal is, but the limit seems to be around 220-230mhz in the bios. i would do some poking about to see how high you can boot without issues :(
Click to expand...


I cant get clockgen working in Windows by the way, it lets me adjust the multiplier but not my FSB clock.

And I can boot 100% ok at 235 anything above that even 236 lets say results in a non POST. So you feel the issue is just something with this board then? Maybe later after I chill with some BF2 I'll putz around some more I just got sick of clearing the cmos LOL.
 
hate to say this, but it's a typical problem for the msi k8n neo4's to be able to do pretty high htt speeds in windows via clockgen, and not even post with the same things set in the bios. not sure what the deal is, but the limit seems to be around 220-230mhz in the bios. i would do some poking about to see how high you can boot without issues
Click to expand...

The 219 bug is gone for me. The 3.0 BIOS dont have it and the 3.6 bios doesn't *appear* to have it. My max HTT was 335 in clockgen or the BIOS. It is not a hardware problem, but a software one. What version of clockgen are you using? You should be using this:

http://www.cpuid.org/download/CG/CG-NVNF4.zip
 
Woah this clockgen works, what the heck! Thanks dude! This will definately help me figure this problem out.

3.6 BIOS? On MSI's website it says the latest BIOS is 1.5 . Am I missing something? What FSB clock speeds have you achieved not using clockgen?
 
I've hit 330HTT. Unfortunately, I got a dud San Diego 3700+ that wont go much past 2350 stable. My RAM (TCCD) hits ~275 2.5-3-3-7 2.75V.

Maybe the BIOS for your version of the board hasn't been released yet. I have the MSI Neo4 Plat SLI, which is slightly different, albeit not significant.

Check out the official thread over in the motherboards forum and see what BIOS will work best for your board. You shouldn't have any problems with clockgen though with the buggy BIOS. You'll just have to boot into your system at stock speeds with a higher voltage, and use a feature in clockgen that will set your CPU speeds to what they should be on startup. Good Luck :)

EDIT: You *may* be able to use the Platinum SLI BIOS on your board. I would imagine the BIOS for your motherboard will be released soon though since ours was released about 2 days ago.
 
2uantuM said:
I've hit 330HTT. Unfortunately, I got a dud San Diego 3700+ that wont go much past 2350 stable. My RAM (TCCD) hits ~275 2.5-3-3-7 2.75V.

Maybe the BIOS for your version of the board hasn't been released yet. I have the MSI Neo4 Plat SLI, which is slightly different, albeit not significant.

Check out the official thread over in the motherboards forum and see what BIOS will work best for your board. You shouldn't have any problems with clockgen though with the buggy BIOS. You'll just have to boot into your system at stock speeds with a higher voltage, and use a feature in clockgen that will set your CPU speeds to what they should be on startup. Good Luck :)
Click to expand...

O god I feel very bad for you and ur sandy...... and I am kinda feeling better about myself lol... my clawhammer 3200+ CO stepping can hit 2.320 :p
 
2uantuM said:
I've hit 330HTT. Unfortunately, I got a dud San Diego 3700+ that wont go much past 2350 stable. My RAM (TCCD) hits ~275 2.5-3-3-7 2.75V.

Maybe the BIOS for your version of the board hasn't been released yet. I have the MSI Neo4 Plat SLI, which is slightly different, albeit not significant.

Check out the official thread over in the motherboards forum and see what BIOS will work best for your board. You shouldn't have any problems with clockgen though with the buggy BIOS. You'll just have to boot into your system at stock speeds with a higher voltage, and use a feature in clockgen that will set your CPU speeds to what they should be on startup. Good Luck :)

EDIT: You *may* be able to use the Platinum SLI BIOS on your board. I would imagine the BIOS for your motherboard will be released soon though since ours was released about 2 days ago.
Click to expand...


Thanks dude I will definately check constantly to see if the new BIOS is available. In the meantime I'll mess with clockgen ;)
 
So anyway with clockgen I am at 285Mhz HTT right now running prime 95 CPU is at 2282 285 x 8 :)

1.425V ..... 45c load under prime 95
 
I have a similar setup and I figure i'd post it here instead of making a new post...

MSI K8N Neo4 Plat, Venice 3000+ E6, Corsair VS PC3200, XP-90, Panaflo med speed

I've only OC'd, and messed with the CPU settings so far, havn't tried OC'ing memory yet...

CPU @ 2609mhz, HTT 290, 1.45v, HTT mult 2.5x, CPU multi 9x
34C load / 31C idle (not positive on this, read further)

Memory set to 100mhz (1:2) @ 1T.

1) How's everything look so far? The CPU OC looks ok, voltage maybe a bit high?
2) Any suggestions on how-to OC the ram? I've looked through eclipse's guide, but i'm not sure on how to approach changing the timings of the ram, and what divider I should use.
3) Random question, in SpeedFan i'm not sure what Temps2/3 are. Currently at load... Temp1: 33C, Temp2 40C, Temp3 16C.

edit: still running more prime95, fsb down to 286 right now.
update: keep getting an error at 19mins, hmmm...
 
Just install and use CoreCenter (as much as Eclipse hates it), as it has tempature readings on the right hand side. That should give you a good idea....and as far as voltage, find where it's completely stable (32M SuperPI and 48 Hours Prime95 is my testing ground) then lower the voltagea little bit. Repeat. Keep at that until you find a stable setting...my Venice is stable at 2.7GHz with 1.55v, so 2.6GHz with 1.45v isn't bad. I'm sure mine can probably run that speed with 1.45v. Somewhere around 2.7GHz (for me anyway) is where it continues to scale with voltage, just not as well....1.66v and I can benchmark SuperPI 1M at 2.85GHz, but not a hair more. I'm sure I can run 2.9GHz, but not day to day without 1.73v or something rediculous...and I want this chip to last a little longer than a week. :)
 
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