15″ PowerBook G4 (Early 2005)

The same size and weight its 2004 predecessor, the Early 2005 edition runs a bit faster (at 1.5 and 1.67 GHz). The entry-level 15″ PowerBook now has 512 MB of memory, and 5400 rpm hard drives are standard. Both versions of the 15″ PowerBook now include Apple’s backlit keyboard.

15" PowerBook G4The 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.

The 2005 ‘Books also use improved video, ATI’s Mobility Radeon 9700.

Battery life is rated at 4.5 hours.

Closed 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. 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.


  • Introduced 2005.01.31 at US$1,999 (1.5 GHz/Combo) and US$2,299 (1.5 GHz/SuperDrive); a 1.5 GHz SuperDrive model was released about a month later. Replaced 2005.10.19 by higher resolution 15″ PowerBook G4 HR.
  • requires Mac OS X 10.3 Panther through 10.5 Leopard
  • CPU: 1.5/1.67 GHz G4 (7457B)
  • Bus: 167 MHz
  • Performance:
    • Geekbench 2 (Tiger): 783 (1.5 GHz), 1015 (1.67 GHz)
  • ROM: 4 MB, NewWorld ROM in RAM architecture
  • RAM: 512 MB, expandable to 2 GB using two PC2700 DDR SDRAM modules
  • Level 2 cache: 512 KB at CPU speed
  • Video: ATI Mobility Radeon 9700 AGP 4x
  • VRAM: 64 MB
  • Video out: S-video and DVI connectors (VGA supported with adapter)
  • display: 15.2″ (38 cm) 24-bit 1280 x 854 101 ppi color active matrix
    supports 1152 x 768, 896 x 600, and 720 x 480 pixels at 3:2 aspect ratio; 1024 x 768, 800 x 600, and 640 x 480 pixels at 4:3 aspect ratio
    allows mirroring to external display or extended desktop mode
  • Hard drive: 80 GB 5400 rpm ATA/100 (100 GB optional)
  • optical drive: Combo drive or 4x SuperDrive
    • Combo drive reads DVDs at up to 8x, writes CD-R at up to 24x, writes CD-RW at up to 16x, reads CDs at up to 24x
    • SuperDrive writes DVD-R and DVD+R at up to 8x, DVD-RW and DVD+RW at 4x, reads DVDs at 6x, writes CD-R at 24x, writes CD-RW at 10x, reads CDs at 24x
  • floppy drive: external USB only
  • expansions bays: none
  • USB: 2 USB 2.0 ports
  • FireWire: 1 FW400 port, 1 FW800 port
  • IR port: none
  • Ethernet: 10/100/gigabit
  • Modem: v.92 56k
  • WiFi: 802.11g AirPort Extreme built in
  • Bluetooth: BT 2.0 built in
  • PC Card slots: 1
  • size: 9.5 x 13.7 x 1.1″ (241 x 348 x 28 mm)
  • Weight: 5.6 pounds (2.5 kg)
  • Part no.: M9676LL/A (Combo), M9677LL/A (1.67 GHz SuperDrive)

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