Does win XP utilizes all 8 gb memory in elite hp 2685 laptop

[vcherniy]

Does win XP utilizes all 8 gb memory in notebook Elite hp 2685??
In another worlds. If PC is physically capable (supports) 8 GB Memory does Win XP Pro operating System uses all Memory? Or Win XP has limitation and Uses only part of mem??

 

[Emerald]

if you do not have the 64-bit version of XP, it will only utilize 3.5GB of memory due to the addressing limitations of the 32-bit OS