what's the recommended memory for vista home premium?

Answer:

Well THEY SAY 1 Gig but for optimal actions THEY SAY 2 Gigs. You can't go wrong next to 2 gigs.
512mb
No, it's not 512 MB. It's 1 gig of hit (1,024 MB)
it is 1G for vista home premium....

512 just for vista primary only....

you can refer here

http://en.wikipedia.org/wiki/windows_vis...

hope you will approaching my answer!