OSx86 on OLPC XO 1.5

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I am about to receive the XO 1.5 or "OLPC" , This new version has a new processor, thats why I brought this topic up, The original XO was only 400mhz and had no SSE2 or SSE3 support, But the new XO 1.5 has both SSE2 and SSE3 support and a processor that is twice as fast, I am also asuming this thing can be overclocked to 1Ghz ( I previously overclocked the original XO to 566Mhz).

So basically I was thinking..... Tiger on the XO 1.5 anyone?

The reason I say Tiger is that the internal Nand flash memory is only 4GB, but an SDHC card can be used, there are two SDHC slots on the XO 1.5, one internal and one external.

Problems.....

How to boot OSx86 from openfirmware?

Comments and any thoughts about this idea are most appreciated.