15″ PowerBook G4 (DVI)

A bit more than six months after speed bumping the TiBook to 550 and 667 MHz, Apple overhauled the titanium workhorse with still faster processors (667 and 800 MHz); a brighter, higher resolution screen (1280 x 854 vs. 1152 x 768); and ATI Mobility Radeon 7500 graphics with 32 MB of video memory. This is the oldest PowerBook to fully support Quartz Extreme graphics (part of OS X 10.2 and later).

Titanium PowerBook G4The VGA port on the older PB G4 has been replaced with DVI to support Apple’s flat panel displays, and these ‘Books originally shipped with a DVI-to-VGA adapter.

Both models include a 1 MB level 3 cache and an 8x8x24x Combo drive that can burn CDs as well as read DVDs. (It wasn’t until the next revision of the PowerBook G4 design that Apple managed to squeeze a SuperDrive into the 1″ thin design.)

Closed Lid Mode: TiBooks 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 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.

Details

  • code name: Ivory, TiBook
  • introduced 2002.04.29 at US$2,499 (667 MHz) and US$3,199 (800 MHz); replaced by SuperDrive model 2002.11.06.
  • product code: M8591 (667 MHz), M8592 (800 MHz)
  • Requires Mac OS 9.2 or later, Mac OS X 10.1 through 10.4.x, 10.5 not officially supported
  • CPU: 667/800 MHz G4 (7455)
  • Bus: 133 MHz
  • Performance:
    • Geekbench 2 (Tiger): 395 (667 MHz), 462 (800 MHz)
  • ROM: 4 MB, NewWorld ROM in RAM architecture
  • RAM: 256/512 MB, expandable to 1 GB using two PC133 3.3 volt unbuffered low-power 144-pin 133 MHz SO-DIMMs
  • Level 2 cache: 256 KB at CPU speed
  • Level 3 cache: 1 MB
  • Video: ATI Mobility Radeon 7500
  • VRAM: 32 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: 30/40 GB 4200 RPM IDE, 60 GB 5400 RPM optional
  • optical drive: 8x8x24x CD-RW/DVD-ROM Combo drive
  • floppy drive: external USB only
  • expansions bays: none
  • USB: 2 USB 1.1 ports
  • FireWire: 1 FW400 port
  • infrared: 4 Mbps IrDA 1.1
  • Ethernet: 10/100/gigabit
  • Modem: v.90 56k
  • WiFi: 802.11b AirPort included on 800 MHz, optional on 667 MHz
  • PC Card slots: 1
  • battery: 50 watt-hours, rated at up to 5 hours
  • PRAM battery: Apple part 922-5205, US$40-80
  • size: 9.5 x 13.4 x 1.0″ (241 x 341 x 26 mm)
  • Weight: 5.4 pounds (2.45 kg)

CPU Upgrades

Online Resources

Cautions

  • Do not under any circumstances use the Password SecuritySecurity control panel with any PowerBook running Mac OS 9 – see PowerBook (FireWire): Late Breaking News – it will render your PowerBook inoperable. The only fix is to put the drive in an older PowerBook, open Password Security, go to Setup, and click the Reset button, and then put the drive back in your ‘Book.
  • There is an incompatibility between the Kensington Startup ADB extension (part of Kensington MouseWorks) and the Trackpad control with Mac OS 9.0.4. The trackpad will respond during boot, but not after the extension loads. The solution is to disable the extension. This may apply to other versions of Mac OS 9 on ‘Books with USB ports.

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