Problem with 400fsb, need some help!

Splint

Splint

Splint

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30 Nov 2005
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117
Right I have an Opty 146, A8N32 and 1GB PC3200.

2.8ghz is stable at 330x8.5 using 133 divider and 1.5vcore:

www.satbir.f2s.com/files/2800.JPG

I can also get 2.4Ghz at 400x6 usuing a 100 divider at 1.5vcore:

www.satbir.f2s.com/files/400FSB.JPG

The problem is I cant post at 7x400, which would make 2.8ghz, now I know I can hit 400fsb, I also know my chip can handle 2.8ghz I have even had it up to 3ghz but it required around 1vcore to remain stable, so why cant i do 7x400? Could it be the memory I find I have to change timmings the more i push the fsb even if I using divider. Any help appreciated

splint
 
Splint said:
Right I have an Opty 146, A8N32 and 1GB PC3200.

2.8ghz is stable at 330x8.5 using 133 divider and 1.5vcore:

www.satbir.f2s.com/files/2800.JPG

I can also get 2.4Ghz at 400x6 usuing a 100 divider at 1.5vcore:

www.satbir.f2s.com/files/400FSB.JPG

The problem is I cant post at 7x400, which would make 2.8ghz, now I know I can hit 400fsb, I also know my chip can handle 2.8ghz I have even had it up to 3ghz but it required around 1vcore to remain stable, so why cant i do 7x400? Could it be the memory I find I have to change timmings the more i push the fsb even if I using divider. Any help appreciated

splint
Click to expand...

why do you want to run 400fsb, or are ya just testing?
 
Testing and just wanting to run it as fast as I possibly can, 7x400 would run a lot nicer than 8.5x330, i'm thinking it has something to do with my cheap memory, even though I am using a 1:2 divder. Then again maybe at a higher core speed 400fsb cant be maintained but I managed to get 6.5x400 to boot giving me 2.6Ghz however I cant get that up and running again, I was messing around with all the mem timings when I did, although I cant see why they would be effected as I am not running the ram past its rated speed.
 
I've found that the HTT speed rarely makes a difference with A64's. I used to run my old A64 3000 at both 280*9 (2.52Ghz) or 313*8 (2.50Ghz) and it made absolutely no difference.

Mul
 
hmm you're right, I been so busy trying to hit 7x400 that I lost track of things lol. Dunno why I got it into my head if the mem speed and clock speed were to remain the same I was gonna see some increase lol. Ok forget this 400 business, lets say i stick to 330 I wll need some ram that can hit 275mhz any reccomendations?
 
unless you wanna be pumping some volts through the ram, then youll be wanting some tccd based stuff, geil 1 tccd, gskill le/la etc etc, check the xs ram list for more recomendations
 
I have seen some Corsair twinx xms4400 for £80, however that was for 2x512mb, timmings are 3-4-4-8 which is quite slack really :/ but then I suppose it is high speeds were talking here, I also was thinking of getting 2gb, but price wise I am lookin at £240+ . Do you think the xms4400 for that price is a gd deal?
 
youll need to work out what chips it uses - xs ram list is helpful, you wont find many 2x1gb kits that will go over 250 unfortunatly
 
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