Unlocked Multipliers for Opteron

[Aegis]

I don't believe this is a fluke, but a hidden multiplier setting. Since the default multiplier setting is 9x with a 200MHz FSB, then to reach 1900, the multiplier would be 9.5x. If somehow we could unlock the BIOS to display multipliers in increments of 0.5, wouldn't we be able to achieve higher OCs? A .5 multiplier step might not seem like much, but if someone had their FSB at 300x9 then they would have a frequency of 2.7GHz. With a multiplier setting of 9.5, it'd be 150MHz higher at 2.85GHz.

[ripken204]

you almost got me excited... jerk.

but the one bad thing about half mutlipliers is that your ram wont be running at that speed, it usually rounds down to the next whole nuimber.

[Aegis]

Since when did RAM run at 1800MHz?

[gdogg]

the whole thing is really messed, dfi says avoid .5 multiplyers on all a64 processors, its just not worth it, same thing when you bring ram to proper speeds as higher multiplyer

edit,

aegis,

are those two cpus flopping around in numbers? or is that one cpu at 1900 and another at 1800 ?

those are odd for cpu times.

also, to explain what Ripken was saying, 10.5 would put the memory on a 9/10 memory divider, 9.5,8.5, etc.

too avoid unproper readings in windows for HTT bus and lots more, A64 users have to stick with full multiplyers.

Edited July 17, 2006 by gdogg

[Aegis]

The two CPUs are indeed flopping around . It only momentarily goes up to 1900MHz and immediately goes back down. And just for testing's sake, how do you enable the .5 multipliers?

[gdogg]

some motherboard manufacturers have removed .5 multiplyers.

older bios might have em