Newb Question Quick Answer Please

[Exibit]

I am starting my build and have all the bits I have the Geil 2G memory kit and I am not sure which channels to put the memory should I put 1 stick in Channel A and 1 stick in channel B or put both 1G sticks into Channel A

Tks

Motherboard is Asus P5N32-E SLI
GeIL 2GB (2x1GB) PC6400C4 800MHz Ultra Low Latency DDR2 Dual Channel Kit

 

[Cob]

1 in A and 1 in B.

 

[Exibit]

Thks