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Hypertransport Ratio Settings

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Anonymous
a b K Overclocking
February 8, 2005 12:36:26 AM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

Will be getting an nforce 939.

I'm hip to locking the pci/agp, setting the memory slower and bringing the
bus speed up.

But what's the hypertransport ratio?


--
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Anonymous
a b K Overclocking
February 8, 2005 2:40:56 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

It multiplies the HTT buss speed by that amount. ie: 200 x 5 = 1000 htt
ie: 250 x 4 =1000 htt.
if you overclock you will need to lower the mul to keep the htt below or close
to 1000
February 8, 2005 5:51:59 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

"Ed Light" <nobody@nobody.there> wrote in message
news:qdYNd.8183$Tt.6551@fed1read05...
> Will be getting an nforce 939.
>
> I'm hip to locking the pci/agp, setting the memory slower and bringing the
> bus speed up

Setting the memory slower;;;I thought that if you have for example an athlon
64 3800+,2,4Ghz(12X200)
and pc4300 memory(266x2=533)you can set:9x266=2,4ghz and set the HT
multiplier to 4x(4x266=1066,close to 5x200=1000).
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Anonymous
a b K Overclocking
February 8, 2005 5:52:00 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

"Razor" <someone@somewhere.com> wrote in message
news:cuacie$bip$1@nic.grnet.gr...
>
> "Ed Light" <nobody@nobody.there> wrote in message
> news:qdYNd.8183$Tt.6551@fed1read05...
>> Will be getting an nforce 939.
>>
>> I'm hip to locking the pci/agp, setting the memory slower and bringing
>> the bus speed up
>
> Setting the memory slower;;;I thought that if you have for example an
> athlon 64 3800+,2,4Ghz(12X200)
> and pc4300 memory(266x2=533)you can set:9x266=2,4ghz and set the HT
> multiplier to 4x(4x266=1066,close to 5x200=1000).

It's pc2700 Corsair Value Select. I know I can get it to 175.

cpu will be a 1.8 Ghz.

Plan:

270 x 4 = 1080
or
270 x 3 = 810
memory at 133 = 174
1.8 cpu = 2.43


--
Ed Light

Smiley :-/
MS Smiley :-\

Send spam to the FTC at
uce@ftc.gov
Thanks, robots.
February 8, 2005 5:52:00 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

On Tue, 8 Feb 2005 14:51:59 +0200, "Razor" <someone@somewhere.com>
wrote:

>
>"Ed Light" <nobody@nobody.there> wrote in message
>news:qdYNd.8183$Tt.6551@fed1read05...
>> Will be getting an nforce 939.
>>
>> I'm hip to locking the pci/agp, setting the memory slower and bringing the
>> bus speed up
>
>Setting the memory slower;;;I thought that if you have for example an athlon
>64 3800+,2,4Ghz(12X200)
>and pc4300 memory(266x2=533)you can set:9x266=2,4ghz and set the HT
>multiplier to 4x(4x266=1066,close to 5x200=1000).
>

Yes you could, and HT speed really doesn't effect performance, even HT @
3x here should be fine.

Ed
Anonymous
a b K Overclocking
February 8, 2005 7:14:07 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

>Setting the memory slower;;;I thought that if you have for example an athlon
>64 3800+,2,4Ghz(12X200)
and pc4300 memory(266x2=533)you can >set:9x266=2,4ghz and set the HT
multiplier to 4x(4x266=1066,close to >5x200=1000).


Thats the CPU multiplier,not the HTT multiplier.
Anonymous
a b K Overclocking
February 9, 2005 12:36:40 AM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

On Tue, 08 Feb 2005 08:26:54 -0800, Ed Light wrote:

> It's pc2700 Corsair Value Select. I know I can get it to 175.
>
> cpu will be a 1.8 Ghz.
>
> Plan:
>
> 270 x 4 = 1080
> or
> 270 x 3 = 810
> memory at 133 = 174
> 1.8 cpu = 2.43

The only problem I see is how the memory bus reacts to the system bus of
270. Are you sure you can keep it down to 174? And I don't see how you
came up with 174 for the memory bus either. Assuming it overclocks with
the system bus and raising it by 70 would put the memory bus at 203. If it
holds it's base speed at 233 system bus then the memory bus would be 170.
And I doubt there's a chance in hell it will hold it's base speed at 266,
but I don't know. When I set the system bus to 233, the ram bus increases
from base by 33, but I have an older board. Hope yours will do it, but I
sure wouldn't count on it. I don't recall if I even have a 100MHz setting
for the ram, but that would get you going for sure. Good luck, but I think
you'll have to replace the ram to get where you want to go.

--
Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB)
http://wesnewell.no-ip.com/cpu.htm
Anonymous
a b K Overclocking
February 9, 2005 1:51:57 PM

Archived from groups: alt.comp.hardware.overclocking.amd (More info?)

Wes Newell wrote:
> On Tue, 08 Feb 2005 08:26:54 -0800, Ed Light wrote:
>
>> It's pc2700 Corsair Value Select. I know I can get it to 175.
>>
>> cpu will be a 1.8 Ghz.
>>
>> Plan:
>>
>> 270 x 4 = 1080
>> or
>> 270 x 3 = 810
>> memory at 133 = 174
>> 1.8 cpu = 2.43
>
> The only problem I see is how the memory bus reacts to the system bus
> of 270. Are you sure you can keep it down to 174?

That's why he's using the 133MHz ratio. With a multiplier of 9, the 133MHz
(2:3) ratio has a memory divider of ceiling(9 / (2/3)) = 14, which gives
(for a system clock of 270MHz) the RAM speed 270 * 9 / 14 = 173.6MHz.

[...]

--
Michael Brown
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