How to select disk and partition

Hi.Sorry for my poor english.

i use mdt 2010 update 1 to deploy windows xp,windows 7.

there are many computer with more than two harddisk.

how can i  select which disk ,partition to deploy the OS before install OS.I suppose to select disk and partition in the wizard.not set in the task sequence.

I set SkipDestinationDisk in the rule,but it does not work.

help me .thank you.

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