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I haven't had any issue at all with the 902 BIOS. Reverting back to the original BIOS is easy using BIOS flashback. Method will be in your manual where it shows the rear IO ports and descriptions. Your issue right now almost sounds like an incomplete flash to me. Or possibly this BIOS doesn't like your ram. Hard to say.So, I have the opposite problem from most of the other people on here. Things were relatively stable for me UNTIL I upgraded to 0902, and now everything is messed up. I can't flash back to what my board shipped with because it claims the BIOS doesn't support my CPU.
My CHVI was overclocking just fine, recognizing my memory with the original bios, but my USB ports were not behaving. Otherwise I would never have upgraded.
With the original BIOS, overclocking was incredibly easy. I just set the multiplier to 40.0, set the DRAM timing to 2933MHz, (Corsair Dominator 3000MHz) and viola, everything ran fine. Temps maxed out at 63celsius, stable after an hour of running a 16-core max CPU load at 4.0GHz. And this was with a crappy $20 fan I bought at Fry's. (The CoolerMaster I had ordered which claimed compatibility... wasn't actually compatible)
Now, post-update, things are truly wonky. With default 0902 settings, just sitting in the BIOS my CPU reaches 57 degrees Celsius. Once I'm in Windows, it oscillates between 32 and 40 at the desktop, causing the fan to spin up and down CONSTANTLY.
Furthermore, it now identifies as a 3.7GHz base clock, 4.1 Boost clock. Which would be fine except these defaults are unstable for memory overclocking.
The worst thing though is that the BIOS itself is unstable. If I change ANY OC settings, it locks up the bios. Reset doesn't help, Retry doesn't help, powering off doesn't help, Safe Boot doesn't help. The only thing that helps is re-flashing the BIOS. So that means my RAM now runs at 2133MHz, and if I want to tweak even one setting it's a twenty-minute process to restore my BIOS. I'm afraid to brick my board by repeated flashing, so I'm stuck.
Has anyone figured out how to flash back to the original shipping BIOS? I might be the only one out here who wants it, but I DESPERATELY want it back.
Bah -- forgot that for a moment.It wasn't a stability issue. The older BIOS versions were pulled because of a possibility of dead boards. Flashing to anything before 0902 would be irresponsible considering the risk. ASUS didn't want any more RMAs so those BIOS are gone.