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]
Single Time Machine Backups
Tired of Time Machine running all the time? You can turn it off in the Time Machine preference pane, but still initiate a single backup by choosing Back Up Now from Time Machine's menu bar icon. Of course, your backup is much less likely to be up to date, but Time Machine won't be taking any resources while you're trying to work.