can the Graphic card hit a higher memory clock if the memory is heatsinked ?? is there any possible way to increase the voltage of my 5670 or any non-reference card without the ''pencil mod'' ???
m currently at 920/1020 clocks on my sapphire 5670 i was stable at 940/1035 day before yesterday and i tested it by but it on a furmark test for around 15- 20mins and then a 3Dmark 06 loop for another 30mins all stable the second day i gamed metro 2033 for 45 mins and that it for the taht day today i had artifacts on those clocks and i had to bring down to 920/1020 y did this happen ??
Thanx in advance

m currently at 920/1020 clocks on my sapphire 5670 i was stable at 940/1035 day before yesterday and i tested it by but it on a furmark test for around 15- 20mins and then a 3Dmark 06 loop for another 30mins all stable the second day i gamed metro 2033 for 45 mins and that it for the taht day today i had artifacts on those clocks and i had to bring down to 920/1020 y did this happen ??

Thanx in advance
