Ok, I'm still lost. I'm trying to get to 3.6 on the i7 920.
1. What is the CPU voltage default to start it shows AUTO but I need to put in a number?
Auto lets the BIOS control the voltage, and will let you overclock some without having to set a specific voltage yourself. Default is 1.2V.
2. Same thing on the PLL voltage?
Default is 1.8V.
3. Which one do I need you adjust when I change the BLCK Frequency 172?
That would depend on your CPU, motherboard and cooling, in other words, you have to try and see what makes your system stable.
4. I changed the DRAM frequency close to its original setting at 1379 and losened the timings for 7cas to 8cas. I'm using OCZ LV 1333 email@example.com. I have the voltage set at 1.64375.
Also which of the voltages do I need to keep within .5 of the QPI/DRAM Voltage?
From the linked overclocking guide: QPI/DRAM Core Voltage must be within 0.5V of the DRAM Bus Voltage. This could only be an issue when the DRAM Bus Voltage is set very high (1.71V-2.46V).
VCore = what in the ASUS bios?
That would be CPU Voltage.