Fujitsu Sparc 64- GP 560MHz in Sun Ultra 10?

[Zbigniew B.]

Does anybody know, whether the processor Fujitsu Sparc 64-GP, 560 MHz 8MB ( CA20338-B90X ) can be used in Sun Ultra 10, as "replacement" for its 330 MHz CPU? AFAIK it's used in Fujitsu Primepower servers.