okok, behonestly, 5.6g is not my highest CPUZ-Verfied freq.
The highest one is here. And also got WR for 2m I think.
1m sub-9 seconds is not that easy though. I have tried from 5580~5625mhz.
all about 9.156 or 9.188s
Also, for those who wanna know if 4:% , 2:3 ....async dividers are way more faster than 1:1...; I can be very very sure to tell you, NO way
I took victor wang's suggestion, 14x400 and ram gives 2.67v for 2:3 DDR1200 4-4-4..
The result was way more slow than 1:1. just FYI