If you look at the specs from the link you posted it sais this under the CPU section "Processor Speed - (MHz) 500/550/600" and "L2 Pipeline Burst Cache 512 KB Integrated"
Those may run at 600 mhz or not at all, they may get rejected by the motherboard as unrecognized.
Those may run at 600 mhz or not at all, they may get rejected by the motherboard as unrecognized.