I have this RAM :

CMX256A-3200PT
XMS3202v1.1
0250181
XMS3200
256MB
400MHZ
CL2

Its Corsair 3200.

And a Shuttle SN45G with nForce2 mobo.

What are the correct settings for me to run this at ??
I choose optimal and the delays seem high but for expert I am not sure what I should set....

Mars