The TiBook is designed to run safely in closed lid mode, but if yours runs hot (perhaps due to overclocking or high ambient temperatures), you may want to open the lid when in closed lid mode: The screen will remain off and the computer will more readily vent heat from the CPU. Since all video RAM is now dedicated to the external monitor, you may have more colors available at higher resolutions. The built-in display will remain off, and the external monitor will become your only display. Your ‘Book will go to sleep, but you can wake it by moving the mouse or using the keyboard. Power up your ‘Book until the desktop appears on the external display and then close the lid.
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To used closed lid mode, your ‘Book must be plugged into the AC adapter and connected to an external display and a USB or Bluetooth mouse and keyboard (you might also want to consider external speakers). The 2005 ‘Books also use improved video, ATI’s Mobility Radeon 9700.Ĭlosed Lid Mode: G4 PowerBooks support “lid closed” (or clamshell) mode, which leaves the built-in display off and dedicates all video RAM to an external display. The 1.67 GHz SuperDrive model supports Dual-Link DVI (a $100 build-to-order option) and retails at $200 less than its predecessor, and the SuperDrive is now an 8x DVR±RW mechanism. Both versions of the 15″ PowerBook now include Apple’s backlit keyboard. The entry-level 15″ PowerBook now has 512 MB of memory, and 5400 rpm hard drives are standard. The same size and weight its 2004 predecessor, the Early 2005 edition runs a bit faster (at 1.5 and 1.67 GHz).
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