From people's experiences and opinions. How far do you think the Phenom 545 can overclock to maximum. Also the same with the 550 black edition. When i'm overclocking if i overclock at even to 3.2ghz i get this blue screen that says memory dump. I am keeping the voltages on auto. I used to be able to overclock to 3.6ghz and it was running fine, until a couple more restarts and now i permanently get the blue screen for any overclocks.
it sounds like a memory issue, when using the 545, the fsb is raised, this is the base clock for pretty much everything, so by raising the fsb you overclock not just the cpu but the ram htt and nb all in one go, decrease the memory speed and see if that helps, soeone on toms has the 550 @ 4.0 ghz on air, what r ur temps?
I got my processor to overclock to 3.8 ghz once I upped the voltage to 1.45v. I am using the Core-contact freezer now, no longer using the Stock cooler.
Idle: 30c or lower
load after 4 hrs of Prime 95: 41c max
It really depends on luck.. sometimes processors are insane, running at 3.7 ghz on stock voltage.... sometimes you get one that can't go past 3.3 ghz... Due to the mass production of CPUs, it is impossible to keep the quality the same for every processor, specially when dealing with such intricate chips, even a 1 nm offset can mean relatively large performance drops, or gains.
Ive had my 545 at 3810 mhz 7 hours prime95 stable with my voltages as follows: CPU voltage @ 1.4v, CPUNB @ 1.3v if you have a motherboard with ACC but cant unlock the processor i just leave EC firmware set to Hybrid with ACC disabled. with the EC firmware set to hybrid i have been able to get another 200mhz getting me past the 3.6ghz barrier and bumping me up to 3.81ghz