P6IWP-Fe v1.x maximum CPU and HDD supported information as below,
HDD:40G
CPU:
Pentium III Tualatin 100 Mhz FSB CPU-No support
Pentium III(FCPGA). 100Mhz FSB CPU–850Mhz
Pentium III(FCPGA). 133Mhz FSB CPU–866 Mhz
Celeron 66Mhz(PPGA) FSB CPU –533Mhz
Celeron 66Mhz(FCPGA) FSB CPU –733Mhz
Celeron 100Mhz(FCPGA) FSB CPU –No support
VIA C3 100Mhz FSB CPU - 700Mhz
VIA C3 133Mhz FSB CPU - 600Mhz