OC Tips/Help on older CPU/MOBO

Im Still new to overclocking so this isnt really to help me get better performance, but to learn more about overclocking. The reason im here and not a guide is that my motherboard isnt designed to oc but has minor abilitys. Also please no suggestions to get a new mobo, its in the works and i cant afford it atm.

http://valid.canardpc.com/show_oc.php?id=2379253 Theres a CPU-Z look at what i have currently set.
My motherboard and Cpu are listed on that page as well so just have a look there for that. My Multiplier goes to 13 but i lowered it to get my RAM back up to DDR2-800, I cant seen to get it back to it without overclocking which is weird. I dont have a lot of options but im going to shut off my pc and write it all down then post here in a minute(will probably already see it here).

IM looking for tips to max my OC, without overheating of course, but i dont need tips on temps as i only have the stock and will not get a better till i upgrade my cpu once i can get a job. My current idle temps hover at 39C on Core 0 and 39-41C on core 1, Max doesnt pass 55C on either core usually, unless my room is very hot from a long (4-5hr) gaming session.

Any tips for a not l33t n00bzor?

EDIT: OK i got all the info and here it is.

CPU CONFIG-
OC MODE [CPU, PCIE ASYNC]
PCIE FREQ. [115]
CPU FREQ. {263}

Boot Failure guard [yes]
boot failure guard cont [3]

Ratio CMOS [12]

Enhanced Halt State [No]
Intel Virtu. Tech [enable]
Thermal Throttling [Enable]
No Execute Memory protection [Disable]
SpeedStep [Disable]
On Demand Clock Modulation [Disabled]


Chipset Config
Memory Remap [Disable]
DRAM Freq [395MHz DDR2_790] 329MHz DDR2_658, AUTO
Flexibility option [Disabled]
DRAM tcl Auto
DRAM tRCO Auto
DRAM TRP AUTO
DRAM TRAS AUTO
Primary Graphics [PCI]
Internal GPU [Auto]
DRAM Voltage [Auto]
NB Volt. [Auto]
VTT Volt [Auto]
+1.5V Volt {Auto]

Energy saver [Disabled]
DRAM RCOMP [Auto]