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Underclokovanje grafickih karti

voodoons

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Hocu da ostavim klok GPU procesora na def.900MHz ali hocu da spustim klok memorije na 300MHz i ne ide mi..
Karta je Gigabyte HD6870, sa fabrickim klokovima 900/1050MHz.

Spustim klok memorije na 300MHz i GPU-Z uredno to prijavi ali po pokretanju aplikacije koja koristi grafiku i opterecivanju grafike, klok memorije se dize na standardnih 1050MHz..

Klokovao sam sa Sapphire TRIXX ali i sa MSI Afterburnerom, jedino sto TRIXX dopusta klok da se spusti i do 300MHz, dok Afterburner spusta do 525MHz.. No, kako god, cak i da spustim na 1000MHz, opet po pokretanju graficki intenzivne aplikacije, dobijam 1050MHz u radu..

Probao sam i korz Easy Tune 6 posto jelte, sve je Gigabyte ali ista prica..
 

voodoons

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ajmo klokeri, budjenje..
 

Lazy

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Prilozi

voodoons

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da, pokazuje meni svaki program u 2D modu klokove koji su, ali cim se pokrene GPU aplikacija, dize klok na 1050MHz :(
Probacu jos sa prepravkom Afterburner .cfg fajla..
Odradio.. u MSIAfterburner.cfg izmenio sekciju [ATIADLHAL] u:
EnableUnofficialOverclocking = 1
UnofficialOverclockingEULA = I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it
UnofficialOverclockingMode = 2
AccessibilityCheckingPeriod = 0
I sad radi na 525MHz jer MSI Afterburner ne dozvoljava manje od toga al ok.. Bitno da je memorija na niskim klokovima..

Zahvaljujem :)
 

blackmore1911

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Da pitam samo,iz radoznalosti,zasto bi downclockovao karticu?
 

voodoons

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Zato sto mi trebaju samo GPU procesori, memorija mi je nepotrebna na grafici.. GPU je overklokovan, memorija spustena, time sam smanjio potrosnju i grejanje karte..
UPS mi sad belezi maksimalnu potrosnju sistema sa 49% dok je u rezimu kad je kartica isla na 1050MHz za memoriju potrosnja isla i do 56%, po UPS-u.
Temperetura kartice se spustila za nekih 3-4C u full loadu..
GPU zauzece je non-stop 99%
;)
 

Lazy

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Koliko miliona hasheva u sekundi ako nije tajna i koji program za krckanje?
I jos da pitam da li si probao nVidiju za to sto radis :D ?
 

voodoons

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295-305mhash/s
phoenix sa phatk modovanim kernelom..

ja nisam probao nVidiu ali GTX580 izvlaci 120mhash/s :rotf:
 

Lazy

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Znaci 5850 na 835mhz daje ~300m hasheva po sekundi. Gledam samo da uporedim da li moze da mi se isplati 6870 za ovo.

Hint za tebe
oclHashcat.exe

Trebalo bi da ima malo optimizovaniji algo

:wave:
 

voodoons

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Lazy

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Ah sry. Ukapirao sam (pogresno) da ih primenjujes za to.
 

voodoons

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ali ako predjem na ovo, svakako hvala za hint ;)
 
Vrh