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*** Official AMD Phenom II X6 1055T & 1090T Overclocking Thread ***

42ghzf.png


not fully stable yet ;)
 
so far just 1 stability issue ... not sure I can blame my clock though ... PC froze when my Internet Security suite updated (Avira) ... second time its done it and only after an auto update .. PC runs fine again after a reboot but all the firewall settings have been reset

put my NB back to 3Ghz to see if I can spot any difference but apart from a maybe 1 or 2 mins of an encode time (might or might not be happening) there isnt any real world difference I can feel or see

just gotta get Avira to update without freezing the PC now .. lol

nice clocking gareth170 ... can you feel the extra 200Mhz ? .. lol

EDIT : after a little testing ... and not sure what real world difference it makes .. [email protected] gets 37.125 seconds average during IBT high test and [email protected] gets 36.500 seconds during IBT high
 
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just for the hell of it and testing I tried a 21X multi for 4.2Ghz ...

booted into win7 on the same vcore as 4Ghz ... 1.45v (in bios but cpu-z reads 1.47) but didnt even run IBT standard for 5 runs stable .. tried 1.475v (bios reading but cpu-z reads 1.49) but again wont run IBT on high for more than a few runs

looks like my chip would need 1.5vcore or over to get 4.2Ghz and then not sure it would be stable for 8 hours prime or at what cost to temps

so sticking with 4Ghz just undecided on the NB frequency but orderd a couple new fans and a splitter so I can put the H50 in a push/pull config see if I can get temps a degree or two lower in preparation for the summer heatwave we aint likely to get :D
 
gareth170 said:
my guess it'll fail after 2hours

if it does, you'll need 1.425v like mine
Click to expand...

Is that with or without LLC?

Cus it putting about 1.45v through under load with llc on.

mmj_uk said:
How come they're showing in CPU-Z as 1095T?
Click to expand...

Bug I would imagine, OCCT, everest, windows report 1090T.

Then coretemp reports 1009T, lol.

EDIT:

Just passed OCCT Linpack which counting spikes is about 36 runs of IBT :)
Will run some benches the run OCCT CPU
Then leave it running Prime95 blend overnight.
 
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@@ Gareth - remember big waynes post on how matching the HTT with the CPU-NB gave gains in 3D games etc?

I'm wondering whats better - 2600 with HTT @ 2000, or 2400/2400?
For the life in me I can't get my HTT to go any higher than 2000 :(

Curious as to what everyone else is stabalising on - especially on CPU-NB and HTT. thanks.
 
Its just HT, HyperTransport. HTT is HyperThreading Technology.

Anyway, you shouldnt need to up HT. Its fine as it is afaik. Im running HT @ 2000, CPU-NB @ 2600

CPU-NB is link between the controller in the cpu and the cores.

HT is link between cpu controller and NB. Their frequencies shouldnt need to match i wouldnt of thought as its different technology.
 
I've seen benches that say otherwise alexp ;) - check the Phenom II overclocking thread for big waynes post where he shows a table with the differences.

Even AMD state in they're 'Unleash the Dragon' document that upping the HT can see minor improvements in 3D apps / games.....
 
when clocking my NB the board on AUTO the HTT upped to 2600 but never higher ... had the NB on 2600 and 3000 and cant tell any difference really

now I set HTT manually to 2000 and still cant notice any difference with NB at 2600 or 3000 ...

so for me in real world use ... cant see any difference during use although benchies show slight improvement (and it is slight) with NB 3000 and HTT at either 2000 or 2600

EDIT .. only thing i remember reading when gogling NB was they say the HTT should always be equal to or lower than NB frequency ..
 
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Its just HT

HTT is Hyperthreading! :rolleyes:

Ill try some investigating upping to not, but there is so much conflicting info as to whether to oc HT or not. Im sure gareth will be on and reply with just "no" :P
 
so sorry ... HT ... HTT ... just so many things to remember when brain is typing faster than the fingers.. lol :D

I still couldnt feel or see any difference ... still cant feel or see difference in NB over 2600 either except in a cinebench which gave a slighty higher score

happy with 4Ghz and NB 2600 or 3000 and leaving it alone now .. time to enjoy the extra grunt :cool:
 
"HyperTransport Link frequency will determine the available bandwidth between the CPU and the NorthBridge Chipset (such as AMD 790FX). In most single CPU socket configurations the default 1.8GHz or 2GHz HT Link value offers sufficient amount of bandwidth even for multi-GPU configurations. Increasing HT Link frequency may provide a small performance boost for certain 3D applications, games and benchmarks."

Taken from the official overclocking guide:
http://game.amd.com/us-en/content/pdf/AMD_Dragon_AM3_AM2_Performance_Tuning_Guide.pdf
 
i guess (as a noob still) that means it cant hurt but dont be surprised if nothing appears different .. lol

so as long as the system is stable it wont actually hurt to have HT @2600 either matching or slighty below the NB Frequency

now me goes off to read how to overclock a bit late as I have already overclocked lmao
 
about time gigabyte released a bios update that supports these , the Gigabyte Ma790x-ud3p has just had its cpu support page updated and it includes support for the AMD Phenom II X6 1090T . my next cpu :)
 
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