Probably not (I don't know actually), but you can upgrade the CPU in the Sawtooth for about $300. Google Mac CPU upgrades, you'll find some good stuff.
No it will not. The Sawtooth will take up to a DP500Mhz CPU from a Gigabit Ethernet, which is the last of the 100MHz system bus speed models. The only other option is a CPU upgrade such as aMercury Extreme or Powerlogix etc from OWC and the upgrade is not worth the money bearing in mind faster G5 machines.
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