HELP ME OVERCLOCK!!!

[ta8689]

Well my rig is as listed below in my signature. I have it at 2.51 ghz, but it is unstable. I have the ram running at ddr500 speed.
http://img154.imageshack.us/my.php?image=untitled1copy3fs.jpg
Pleas help. Can anybody give me numbrs to put in please?? Any ideas? I know opterons have great capabilties. I know i have a few things set wrong.. i have to... Please throw out some numbers for EVERYTHING. voltage, HTT (mine is like 1-5x explain this to me please), etc Im new at serious overclocking, and hats what i bought this cpu for. Thanks

 

[Ricemarine]

HTT should be 3X

TRRD should be 3
Idle Cycle Limit should be 64 or 256 (IMO)
Dram drive strength should be normal (or auto)
Max Async Latency should be around 8 (if you have in bios)
TRTW is freakin high (also IMO)

 

[ta8689]

my HTT is at 4x and it ran prime stable for 14 hours