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]
Sleep (and Lock) Your Screen
When you are walking away from your computer, it's fairly common practice to start your screen saver and lock your screen. But did you know that there is a built-in keyboard shortcut in Mac OS X to sleep the screen?
Press Control-Shift-Eject and your monitor sleeps without engaging the screen saver.