IBM ThinkPad R52 Reinstall WinXP Problem.

It's cost  me all day to solve it.

oss505ww.exe     For Intel Chipset (must install first)
1yd175ww.exe     For VGA (but shall install Framework 2.0 first)
8mku03ww.exe    For ThinkPad Power Management Driver (ACPI)
1ya210ww.exe     For Audio
7ora09ww.exe     For wireless
78ma08ww.exe   For moderm
q1tpm02us13.exe 
                  For the final unknow device==>Intel(R) 82801FBM LPC Interface Controller - 2641

after install all the devicers your IBM ThinkPad R52 will work smoothly
if your R52 still have ??, just write email, I can sent you the files.