MacBooks

15″ MacBook Pro (Core 2)

Overview

On October 24, 2006, Apple moved the MacBook Pro line to Intel's newer Core 2 Duo CPU, claiming "up to 39% faster" performance than the model it replaced. Part of that comes from the more efficient CPU, and part from an 8% faster CPU.

15" MacBook ProThe 15" MacBook Pro gains FireWire 800, an unfortunate ommission in the original 15" MacBook Pro. Memory has been doubled to 1 GB standard on the 2.16 GHz model and 2 GB on the 2.33 GHz one, and the memory ceiling is now 3 GB, up from 2 GB in the earlier MacBook Pro. Also, a 120 GB 5400 rpm hard drive is standard, with 160 GB and 200 GB options.

The new MacBook Pro (Core 2) looks almost exactly like the earlier 15" MacBook Pro, but the FireWire 800 port is the clue that you're looking at the newer model. One more change is moving from a 4x SuperDrive that couldn't burn dual-layer DVDs to a 6x one with dual-layer support.

Note that the built-in display is only capable of 18-bit color, not the full 24-bit color you might expect.

Intel-based Macs use a new partitioning scheme known as GPT. Macintel models can only boot from GPT hard drives; APM (Apple's old partitioning scheme) hard drives cannot be used to boot them. Further, Power PC Macs running any version of the Mac OS prior to 10.4.2 cannot mount GPT volumes.

On the plus side, Macintel models are the only Macs that can boot OS X from a USB hard drive. That should make a lot of Mac users happy, although it may be the beginning of the end for external drives with dual FireWire 400/USB 2.0 support.

Battery life is comparable to the 15" PowerBook G4.

Closed Lid Mode: All Intel 'Books support "lid closed" (or clamshell) mode, which leaves the built-in display off and dedicates all video RAM to an external display. 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). Power up your 'Book until the desktop appears on the external display and then close the lid. Your 'Book will go to sleep, but you can wake it by moving the mouse or using the keyboard. The built-in display will remain off, and the external monitor will become your only display. Since all video RAM is now dedicated to the external monitor, you may have more colors available at higher resolutions. 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.

To resume use of the internal display, you need to disconnect the external display, put the computer to sleep, and then open the lid. This will wake up your 'Book and restore use of the built-in display.

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