Andy, I've told you that I had already searched it. That's why I've borrowed the book. And have already seen that PLX chip doesn't suit my needs.
Also read that someone talk about using latch to do that......

May be there are some purged post talk about that, but I don't see that in the Forum/search result.

BTW, I think the www.iss-us.com solution is what I want, really thanks. Let me see if I can get some from the store :)