Apple has released a firmware update that addresses a handful of issues on early 2009 Mac Pros. The update improves "compatibility with virtualization products utilizing VT-d, storage performance under Windows XP for Boot Camp users, and system reliability during the boot process." To install the update, follow the instructions in the updater application that launches automatically after the installer has closed (/Application/Utilities/MacPro EFI Firmware Update.app). More information regarding installing a firmware update on an Intel-based Mac is available on Apple's Web site. The update is available via Software Update and the Apple Support Downloads page. (Free, 1.96 MB)
Extend Mac OS X's Screenshots
Mac OS X has a variety of built in screenshot methods. Here's a look at a few that offer more versatility than the basic full-screen capture (Command-Shift-3):
• Press Command-Shift-4 and you'll get a crosshair cursor with which you can drag to select and capture a certain area of the screen.
• Press Command-Shift-4-Space to select the entire window that the cursor is over, clicking on the window will then capture it. The resulting screenshot will even get a nice drop shadow.
• Hold down the Space bar after dragging out a selection window to move your selection rectangle around on the screen.
• Hold down Shift after dragging out a selection to constrain the selection in either horizontal or vertical orientation, depending on the direction of your drag.
• Hold down Option after dragging out a selection to expand the selection window around a center point.
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