Why unstable when 200 FSB ?
when I set FSB value to 200, My CPU performance is very unstable.
The CPU score from sandra marks 5600~6500
Due to this, the FPS (frame per sec) in the game also unstable.
But when I seto FSB to 201, CPU performance is stable. CPU score from sandra is 10300~10400, and FPS in the game is very stable as well.
I find out that some of FSB value has an effect on the performance of CPU. like 200, 203,.....
I've no idea why 200FSB is unstable. I know that in the Bios 2.0, when I set the FSB to 200, the real operation FSB is 203Mhz. so I set the FSB to 201.
But in the Bios 2.2 this is fixed. 200 FSB in the BIOS is real 200Mhz. so I think I don't need to set the FSB 201 anymore.
Why 200 FSB is unstable? 200 FSB is recommanded FSB of my CPU spec.
It's most probably due to Spread Spectrum being enabled by default that'll prevent spikes by doing very minor % +/- in FSB... and when you set your own FSB, SS is being disabled so you'll get the standard settings being defined manually.
Click on the Good Aritcles link under my Signature and read through the Spread Spectrum Guide . You'll most probably understand how SS works since the guide is so crisp and clear in the explanination done by one of our great member .
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MOVED: [K7N2 Delta2-FSR] Unstable when DOT disabled
This topic has been moved to Overclockers & Modding Corner.
[K7N2 Delta2-FSR] Unstable when DOT disabledSorry! I've missed this section (overclocking&modding). So, You'll say the problem is probably RAM. I'll try to unplug one stick of mem and i'll see. I'll try flash the B30 BIOS If you say that it's most stable than b40 & b50. BTW. processor easly overclocking at FSB 200 and 1.700V - prime95; 8hour blend test; 0warnings 0errors!
About the PSU: On the beginning I have 400W Megabajt (megash#$) so I was afraid of the future of my device (mean: stuff, comp) and I was change it on ModeCom 350 (GTF). It's most, most, most, most stable than that megash#$.
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KT6V-LSR 200 FSB overclock doesn't take?
I'm running the following hardware...
KT6V-LSR
2100+ 0248 T'bred B
512Mb Corsair PC3200 C2
Slapped everything together, booted up, loaded the defaults in BIOS, then immediately changed to 200x10 (which I knew my chip and memory would have no problems with) and restarted. Worked great, right out of the box!
So I wanted to find out how high I could take the FSB (to compare to my nForce2 board in my other system) and was able to get it up to 230 FSB after lowering memory timings to 2.5-3-3-6 and increase of vDIMM to 2.75
I thought this was pretty darn good considering a 233 FSB would need a 7:2:1 divider (which of course isn't available) to keep the AGP/PCI in spec. But when I ran CPUz from within Windows (also verified with the MSI Core Center) it shows my FSB stuck at 200?!?
It does display the correct multi that I have set in BIOS, but regardless of what I have set FSB to (from 200 up to 230 in 5Mhz increments) the BIOS saves the settings, POST displays the increased CPU speed, but Windows utilities show the truth... still running at 200 FSB.
I have the Dynamic overclocking disabled in BIOS since I wasn't familiar with that and would rather have manual control over my overclock anyway. As I said, I did have to reduce memory timings in order to get the board to POST once I got over 210 FSB, which leads me to believe it really is trying to run the thing at the FSB I've set. Otherwise, you'd think I could put it up to the max 280 or whatever if all it was going to do is stay at 200.
I'm using the latest BIOS release available. Anyone else encounter this strange event trying to use >200 FSB?
[size=10]NF7-S 2.0 | 2400+ M @ 2.6Ghz (225x11.5) | 2x256 Ultra PC3500
KT6V-LSR | 2100+ @ 2.3Ghz (200x11.5) | 512 Corsair PC3200 C2
KM4M-L | 2500+ @ 2.2Ghz (166x13) | 256 HyperX PC3000[/size]Quote from: expert on 21-August-04, 08:24:10
Have you ever checked your PCI and AGP frequencies at Sisoft sandra or another 3rd party software when fsb is set to 200 mhz.
There is a problem, this moron mainboard doesnt give standard PCI and AGP frequencies when CPU's fsb is set to 200mhz or higher.
Look in that program and you'll see that when fsb is 200mhz PCI is 41 mhz.This is a realy realy big handicap to make overclock.
This mainboard is not a good mainboard.Clear Cmos jumper's position is the worst ever that I've used lots of MOBOs.
there is no AGP/PCI divider at 200mhz or above.This moron mainboard uses AMI bios that doesnt support AMD CPU Mobile modding and using up to 24X multiplier.
-'s are
1.there is no PCI/AGP multiplier at 200 mhz
2.ClearCmos jumper's position is bad.
3.AMI Bios sucks.It must be Award Bios.
+'s are:
1.there are 3 fan sockets on mobo.
2.doesnt have any stability problems.
3.This mobo is only for standard users.
lock my spect ....sempron 2200+ @ mobile
in kt6v
Bios AMI not is suck ,is better max multiplo L6 in MoD mobile
now 12x 200fsb (pci/agp frecuencia ok ....33,3 pci) 2vcore -
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Thanks but it did not work.
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2014-09-23 5:50 GMT-05:00 florencejohn <[email protected]>:
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<https://forums.adobe.com/people/florencejohn> in Adobe ExportPDF - View
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Getting K7N2 Stable @ 200 FSB? please help.
First, specs:
MSI K7N2 nforce2 mobo
2x256 OCZ PC3200 EL (11-3-3-2.5 at the moment)
Athlon XP-Mobile 2400+
200fsbx 11 multi
vcore= anywhere btw 1.55 and 1.675
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AGP bus @ 66 manual
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TwantoJust changed my sig...the Q-Tec is lying in the corner for a week or so now
Hmmm, well if the 72w produces more heat I can't expect such a great overclock as everybody has with the mobiles??
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