hello theredoes the new Intel ® Xeon ® Processor X5570 (8M Cache, 2.93 GHz, 6:40 GT / s Intel ® QPI) supports 32 bit operanting systems like Windows Server 2003 and Linux CentOS?
Yes, the CPU supports both 32 & 64 bits OS.
However, it all depends whether the board supports a specific OS or not.
For example, the board S5520SC supports this CPU X5570, here is a tested list of supported OS:
All the best,
Yes, definetely it supports!
for more details on hardware support please follow the below link.