Computers that are running Windows XP Service Pack 2 and that are equipped with multiple processors that support processor power management features may experience decreased performance.
Computers that are equipped with multiple processors that support processor power management features, such as Advanced Configuration and Power Interface (ACPI) processor performance states, require Microsoft Windows XP Service Pack 2 (SP2). Additional updates are available to optimize performance and behavior on computers that are running Windows XP SP2. Without these updates, computers that are equipped with these power management-capable, mobile, dual-core processors may experience decreased performance or unexpected behavior.
Install this update to fix a situation where your Windows-based system that supports processor power management features, and is equipped with multiple processors, may experience decreased performance.
Download : Download details: Update for Windows XP (KB896256)
More Info : Computers that are running Windows XP Service Pack 2 and that are equipped with multiple processors that support processor power management features may experience decreased performance
anyone tried it???
I have also been eager to know if this patch makes some Difference to the Dual core CPU’s we are using lately, specially now when I ported myself to a C2D as well. Some real good benches in favour of this patch here Windows XP Multi Core config - Does your OEM do it for you? - Notebook Forums and Laptop Discussion
Still I’d like to know more experiences regarding this patch. This patch supposedly betters XP’s thread management & its better distribution among the two physical cores.