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  Tom's Hardware UK and Ireland Forums » Overclocking » CPUs » Maximum overclock on a 4000+ AMD
 

Maximum overclock on a 4000+ AMD

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benmcmc
Profile: stranger
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n°1759927
06-04-2008 at 11:11:47 PM

I've reached a maximum with my 4000 X2 AMD,

Multi - 9.5X
FSB - 329
HTT - 1645

Core speed - 3125.7

Voltage - 1.6v

I want to try and boost this further but cannot at the moment, anyone got any ideas?

Bearing in mind i have not done anything to my RAM as there not very good and i dont really understand how the HTT link fits into it all.

Thanks in advanced for the help!

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MayDay94
Profile: member
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n°1759929
06-04-2008 at 11:25:25 PM

i'm not an oc guru but you should really be keeping that htt around 1000. default is 5x(200fsb)=1000. you should drop it to 3x which would give you 987 which should be normal range. that speed is pretty good but is system stable? i had a single core that i went to 2.8 with and never tried any higher since i never wanted to up the voltage.


---------------
AMD Opteron 180 (s939) @2.7 | Biostar geforce 6100-m9 matx
OCZ gold 2x1gig DDR500 (@ DDR450)
evga 8800gt 512mb on 22" Gateway LCD
Enermax Liberty 400w psu | Silverstone sg01b matx case
benmcmc
Profile: stranger
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n°1759931
06-04-2008 at 11:32:27 PM

Thanks mayday, what are the disadvantages in keeping the htt high? and will this mean i can overclock it further when dropping it?

And yes it is very stable, no system crashes or anything when fully loaded

MayDay94
Profile: member
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n°1760024
06-05-2008 at 04:54:09 PM

here's a good a64 oc guide:

http://forums.anandtech.com/messag [...] erthread=y

a real high htt can lead to an unstable mb chipset. typically lowering the htt would allow you to oc further, but since you are so high already, you may be close to cpu max and your ram might not allow you to go any higher.


---------------
AMD Opteron 180 (s939) @2.7 | Biostar geforce 6100-m9 matx
OCZ gold 2x1gig DDR500 (@ DDR450)
evga 8800gt 512mb on 22" Gateway LCD
Enermax Liberty 400w psu | Silverstone sg01b matx case
lameness
Life's a bitch: Be its Pimp
Profile: enthusiast
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n°1760030
06-05-2008 at 05:16:49 PM

Thats an insane HTT, what is your mb?

Most of them start getting narky when you get much above 1000

benmcmc
Profile: stranger
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n°1760051
06-05-2008 at 07:41:15 PM

I've got an M2n32-sli deluxe

i took mmaydays advice and lowered the HT multi to 3x so now it stands at just under 1000.

At the moment i just have some cheapy RAM which runs at

312mhz and timings are

4-3-3-9-25- 2T

MayDay94
Profile: member
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n°1760063
06-05-2008 at 08:45:09 PM

1600htt is pretty insane. as lameness said, most mb's throw-up when you approach 1100, some even lower than that. if you can run your ram at 1t that would help performance-wise.

3.1+ghz out of that chip is pretty impressive. have any benchies to post for us? i just got 9018 in 3dmark06 with my setup with similar cpu although clocked much lower. not sure of your gpu though.


---------------
AMD Opteron 180 (s939) @2.7 | Biostar geforce 6100-m9 matx
OCZ gold 2x1gig DDR500 (@ DDR450)
evga 8800gt 512mb on 22" Gateway LCD
Enermax Liberty 400w psu | Silverstone sg01b matx case
benmcmc
Profile: stranger
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n°1760065
06-05-2008 at 09:02:00 PM

Yeah i did 3dmark06 the other day

I've got two 8800gt in SLI with no overclocking

i scored 10388 which is pretty poor i think, maybe my cpu is bottlenecking my sli?


Split up i got..

4268
5751
2114

MayDay94
Profile: member
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n°1760121
06-06-2008 at 02:37:25 AM

my breakout is
4088
4434
1930

i saw a pretty big jump when i went from 2t to 1t for ram timings.


---------------
AMD Opteron 180 (s939) @2.7 | Biostar geforce 6100-m9 matx
OCZ gold 2x1gig DDR500 (@ DDR450)
evga 8800gt 512mb on 22" Gateway LCD
Enermax Liberty 400w psu | Silverstone sg01b matx case

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