01-30-2009 03:17 PM
01-31-2009 04:01 AM
For the backwards compatibility piece, look for all 32 bit architecture components.
That is all that is really important, but bear in mind that you could have 4gb or 4096gb of ram, xp will only support three of them.
02-02-2009 06:45 AM
In our experience, Dell is better. The HP we have is now having problems of shutting down after heating up. Maybe you can ask manufacturers of old models that they have to be compatible