Ram Duel channel question

[Enthusiest gamer]

If i have 2 1gb sticks of the same exact ram in 2 slots and 2 256mb sticks in another 2 and then a stick of 512mb in another slot alone, will the 2 1gb and 2 256mb run in duel channel if placed next to each other or will all the memory run in single channel?

 

[jitpublisher]

It will tell you when you during POST what mode it is running in.

 

[Enthusiest gamer]

so its different for each mobo? k thnx