The Power Macintosh Upgrade Card can't be used in Macintosh IIvx, IIvi, and Performa 600 computers, contrary to an article in the June 1994 edition of Macworld magazine. Apple released this statement relating to their PowerPC-based accelerator card (designed for use in the PDS slot in several '040 Macs), noting that these models can be upgraded to a Power Macintosh 7100/66 or 7100/66AV model through a logic board upgrade. [MHA]
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Encrypted Screen Sharing in Snow Leopard
In Snow Leopard, screen sharing in iChat can now be encrypted if both parties sharing a screen have MobileMe accounts and have enabled encryption (iChat > Preferences > Accounts > Security).