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AMD Athlon X2 7750 BE OC Club - Page 99

post #981 of 1165
Hi, new to overclocking, bought a 7750BE recently and been reading this thread (and approx 50% of the entire web...) for ideas and knowledge.

Firstly, a huge thanks to eveyone else here - the combined knowledge has been an amazing help.

I have an ASRock K10N78 mb, which has the ASRock OC Tuner utility, which I've been using while 'playing' to learn what and how to o/c this chip. I've been using Prime95 to check stability.

Having reached a reasonable o/c at 3.0 with mult set to 15 and core voltage set to 1.275 in OCTuner, I thought I'd go in and fix these in the BIOS, rather than using the Windows utility. The BIOS defaults NB clock to 1800Mhz, so I left it at that setting.

(FWIW, I tried higher clocks, but temp went up higher than I really liked under Prime95 and I couldn't find a stable run under Prime95 - I may try again later when I'm more comfortable...)

Having done that, on re-boot, CPU-Z shows 3.0Ghz, with 15x, 200MHz bus speed and 1800 Mhz HTLink, but the ASRock Tuner shows that it's running at 3.3G with 15x and the HTLink and NB running at 2Ghz, with bus speed running at 222.

It looks like CPU-Z reports the bus speed static at 200 Mhz, whereas the ASRock utility shows the bus speed constantly fluctuating by a few hundredths inline with the CPU and HTLink frequencies.

This has me puzzled, as I'm trying to figure out what the system is 'really' running at !

Any thoughts on what is going on here ?
post #982 of 1165
Hi all. Am new to the forums, been using it for a while for info though.


Anyway! I have an Athlon 7750, Asus M3A87-T 790GX and 2gigs of Dominator 800mhz Ram.

I've never really done much overclocking but so far i managed to get her up to 3ghz by simply raising the multiplier.

what i would like to know however , is the default values for these settings if anyone knows?

CPU- NB Voltage
SB V
NB V

ive looked everywhere and can't find anything! just want to know them as a base line for my overclocking adventure. thanks in advance.
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post #983 of 1165
Quote:
Originally Posted by apljb View Post
Hi, new to overclocking, bought a 7750BE recently and been reading this thread (and approx 50% of the entire web...) for ideas and knowledge.

Firstly, a huge thanks to eveyone else here - the combined knowledge has been an amazing help.

I have an ASRock K10N78 mb, which has the ASRock OC Tuner utility, which I've been using while 'playing' to learn what and how to o/c this chip. I've been using Prime95 to check stability.

Having reached a reasonable o/c at 3.0 with mult set to 15 and core voltage set to 1.275 in OCTuner, I thought I'd go in and fix these in the BIOS, rather than using the Windows utility. The BIOS defaults NB clock to 1800Mhz, so I left it at that setting.

(FWIW, I tried higher clocks, but temp went up higher than I really liked under Prime95 and I couldn't find a stable run under Prime95 - I may try again later when I'm more comfortable...)

Having done that, on re-boot, CPU-Z shows 3.0Ghz, with 15x, 200MHz bus speed and 1800 Mhz HTLink, but the ASRock Tuner shows that it's running at 3.3G with 15x and the HTLink and NB running at 2Ghz, with bus speed running at 222.

It looks like CPU-Z reports the bus speed static at 200 Mhz, whereas the ASRock utility shows the bus speed constantly fluctuating by a few hundredths inline with the CPU and HTLink frequencies.

This has me puzzled, as I'm trying to figure out what the system is 'really' running at !

Any thoughts on what is going on here ?
Try manually applying 222fsb in OC Tuner see if CPU-Z will report the right bus speed. Sometimes the OC Tuner settings to not stick. If CPU-Z still reports 200fsb, use Native Specialist to check your speed, it's a program similar to CPU-Z, but specifically for AMD.
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post #984 of 1165
Quote:
Originally Posted by awdrifter View Post
Try manually applying 222fsb in OC Tuner see if CPU-Z will report the right bus speed. Sometimes the OC Tuner settings to not stick. If CPU-Z still reports 200fsb, use Native Specialist to check your speed, it's a program similar to CPU-Z, but specifically for AMD.
Thanks, tried Native Specialist, but, unfortunately, I'm running Win 7 64-bit and it doesn't appear to install on that platform (nor Vista 64-bit).

I'll try applying the FSB update in OC Tuner later, I'm pretty sure CPU-Z recognizes it when applied that way, as I did try various options before and this was the first time I ever saw any discrepancies.

Just to clarify, though, I have no updates being applied via OCTuner at the moment, it's all BIOS based, I'm just using it as a monitoring tool.

Thanks.
post #985 of 1165
hi guys! please add me.. new to overclocking .. just finished a run on everest stability test 30 mins.. oc to 3.0 (15x on @ 1.350 volts) temps maxed @ 49C.. just a quick question btw. Any answer would be appreciated. Does everest give out accurate info? e.g temps, voltage, etc.

http://valid.canardpc.com/show_oc.php?id=586978
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post #986 of 1165
Yes Everest is accurate but it is always good to check it against another app like speedfan or something.
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post #987 of 1165
hi all, cool forum!hope with help of u guys i break the 3,5 wall in my chip..( btw sorry my english)
http://valid.canardpc.com/show_oc.php?id=590379
cooling : old koolance watercooling(original for amd64 3500+)

is the rank chart dead or do i forrget somthing??
LL
LL
Edited by pokeralien - 6/28/09 at 5:45am
post #988 of 1165
Quote:
Originally Posted by pokeralien View Post
hi all, cool forum!hope with help of u guys i break the 3,5 wall in my chip..( btw sorry my english)
3.5 stable will be hard to accomplish, 3.2 and 3.3 are realistic
    
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post #989 of 1165
hi,wow fast reply,thx!
3,44ghz on my 7750 is primestable.but +1mhz with voltages -1.6v are not.do u think i try more then 1.6v?(i hope u understand,sry again my english)
post #990 of 1165
1.625 is the most you should do. Any more than that risks your cpu not working again.
Edited by dlee7283 - 6/21/09 at 4:39am
    
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