Down Payments - Assets - Confg

Hiii Gurus

I have configured down payments for customers and vendors , now my client is asking to configure down payments to Assets also...is there any configuration required for Assets ( M ) , if is can any body send me the confg documents regarding Assets Down Payments , or is enough by giving Down Payment GL Account in "Specify GL Account " in AA ??

Plsss help me guys , i wil give full points if it is useful to me....

thanks in advance

regards

ramki