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FX-60, HTT keeps giving incorrect #

post #1 of 11
Thread Starter 
fx-60, 2 gig ocz ddr 400, a8n32sli deluxe

reference clock=225
cpu multiplier=12.5
LDT is 4 instead of 5
memory is at 433, cpu is at 2.8 (idling at 39c by the way, stock cooler)

so, 4*225 should equal 1000 then doubled should make the HTT 2000

well for some reason it is calculating it as 675, when double is 1350

which means it is calculating HTT speed using 3??!?!?! Anyone know why?

Also, I only changed the SB to NB freq and I left the K8 to NB freq alone, is that the problem or should I change it to 4 as well?
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post #2 of 11
First 225x4=900 not 1000.

Second, using those 'odd' multipliers causes some weird stuff to happen with OCIng and buses/ram. That's usually why most people avoid it. What board is this in? Have you updated the BIOS?
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post #3 of 11
Thread Starter 
oops, see what happens when this stuff is done after midnight, well still it is treating it as though it were 3

its an asus a8n32sli deluxe with an fx-60 with up to date bios, there are two newer ones but theyre beta

also, the divisor is determined by the cpu clock speed, not the cpu multiplayer, so it shouldnt matter and even then if somethin went wrong with a whole number not being in the right place, it would have rounded up, not down.

It doesnt matter though, Instead of fine tuning I will just stick with leaving the fsb alone and tuning the cpu multiplyer and the memory speed individually

So right now I am at 2.9ghz on stock cooler and stock voltage, with ddr400 ram set at 450 and I finally broke 10,000 at 3dmark06
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post #4 of 11
Quote:
Originally Posted by Ihatethedukes View Post

Second, using those 'odd' multipliers causes some weird stuff to happen with OCIng and buses/ram.
What "odd" stuff are you referring to? There's absolutely nothing wrong with using a 1/2 multiplier as long as you know what the resulting ram speed will be. You can use Gogar's Tool if you're unsure.

http://math.gogar.com/athlon64.cgi?showtable=1

To the original poster, the cpu multiplier does affect ram speed.
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post #5 of 11
First, depending on the board and BIOS it rounds up and down and jacks around with the ram speed.

Second, SOME boards with certain BIOSes (I have no idea about this one in particular) go all wonky on the X.5 multis and do things 'oddly' with unpredictable results. (DFI SLI-DRs throwing weird ram speeds and getting unstable on them with the early BIOSes comes to mind.) Keep in mind this is all tech that came way before the current AM2 set up with built in X.5 chips. The best way to say it is, "it wasn't as refined a process back then" in terms of technology.
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post #6 of 11
Quote:
Originally Posted by Ihatethedukes View Post
First, depending on the board and BIOS it rounds up and down and jacks around with the ram speed.
You're stating that Gogar's Tool doesn't hold true for all BIOS versions of all motherboards? Can you state in particular any BIOS on any motherboard that defies the simple calculations done to give ram speed?
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post #7 of 11
Nope I'm saying boards and BIOSes are not so perfect as the theoretical little world of gogar's table.

An example of this less than perfect world? 1xPCIe speed on the P5B anyone? A BIOS update fixed that. I'm talking about release drivers with the SLI-DR. I know.. I owned and learned on it (and tried the ol' .5) I was 'suddenly dropped to the 100MHz divider if I OCed on the 9.5 multi with my Opteron 170. After reading a while and cutting my teeth on REAL OCing (after a crumby P4) 10 multi fixed that problem. And later, new BIOS fixed that for me. (704 TBA2 anyone?)

Now, lets get off our little ideological penis waving and help the guy.
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post #8 of 11
Try setting FSB to 250, Multi to 11, and ram divider to the 183:something option. Leave the HTT multiplier so it runs 250x5. Got strange results on my A8R32 when I was using pc3200 memory, but these setting worked. May work ror you too
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post #9 of 11
Quote:
Originally Posted by Ihatethedukes View Post
I was 'suddenly dropped to the 100MHz divider if I OCed on the 9.5 multi with my Opteron 170.
You're stating that no matter which divider you chose (or no divider at all), that your motherboard forced a 1:2 divider?

Quote:
Originally Posted by Ihatethedukes View Post
Now, lets get off our little ideological penis waving and help the guy.
This has nothing to do with penis waving. You've made a statement that using .5 multipliers have negative side effects and do not produce the ram speeds predicted by Gogar's Tool. Again, can you state specifically which divider you were using that was completely ignored by your motherboard when using a 9.5 cpu multiplier. Also, if possible, do you happen to remember which BIOS version it was?
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post #10 of 11
Thread Starter 
I did absolutely nothing with the memory through the use of the divider because with the a8n32sli deluxe you can independently boost the memory speed.

I only changed three things reference clock, cpu and LDT multiplier. When I put in 4 it altered the CPU clock properly using 4, but for some reason the HTT speed was being calculated with a 3.
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