Need Help OC'ing my AMD Phenom II X4 955 BE w/ Asus M4A78-EM

i have an Asus M4A78-EM with newest bios 1006. i have the Processor Frequency multiplier to x 18.0 and my system is running at 3600Hz and stable so far. however i have a few more questions.

North Bridge Chipset Config:
ECC Mode - disabled, basic, good, super, max and user. i have it set at good right now. what does this mean and what setting should i use.

JumberFree Cinfig:
Auto, 8bit, 16 bit. i have it set at Auto now. what does this mean and what setting should i use.

Hyper Transport Speed:
Auto, 200MHz - 2.0 GHz. i have it set at 2.0GHz. what does this mean and what setting should i use.

Hyper Transport Width:
Auto, 8bit, 16bit. i have it set on auto.what does this mean and what setting should i use.

OverClock options:
auto, 2%, 5%, 8%, 10%. i have it set as Auto. what does this mean and what setting should i use.

TY for any help

- Bred By Aliens