Apple 17-INCH - Manuals

Figures and Tables Chapter 1 Overview of PowerBook G4 17-inch 11 Figure 1-1 Front view of the computer 13 Figure 1-2 Side views showing I/O ports 13 Chapter 2 Architecture 17 Figure 2-1 Block diagram 17 Table 2-1 Buses supported by the Intrepid IC 19 Chapter 3 Devices and Ports 25 Figure 3-1 USB Typ...

Important: The information in this document is obsolete and should not be used for new development. Links to downloads and other resources may no longer be valid. This developer note is a technical description of the PowerBook G4 17-inch computer. The note providesinformation about the computer’s in...

This chapter outlines the features of the PowerBook G4 17-inch computer. PowerBook G4 17-inch Features Here is a list of the features of the PowerBook G4 17-inch computer. Each feature is described in a laterchapter, as indicated. ● Processor The computer has a PowerPC G4 microprocessor running at a...

● CardBus slot The computer has a CardBus slot that accepts one Type I or Type II PC Card or a CardBus Card. For more information, see “CardBus Slot” (page 57). ● USB ports The computer has two USB 1.1 ports for an external keyboard, a mouse, and other USB devices, described in “USB Ports” (page 25)...

Peripheral Devices Included with the computer are a 65 W Apple Portable Power Adapter, an S-video-to-composite cable, anda DVI-to-VGA cable. In addition to these devices, the following peripheral devices are available separately: ● The PowerBook G4 Rechargeable Battery is available as an additional ...

Asset management software that reports the kind of computer it is running on can obtain the value of themodel property from the IOService plane of the IORegistry. For the PowerBook G4 17-inch computer, thevalue of the model property is PowerBook5,1. Power Saving Features The PowerBook G4 17-inch com...

This chapter describes the architecture of the PowerBook G4 17-inch computer. It includes information aboutthe major components on the main logic board: the microprocessor, the other main ICs, and the buses thatconnect them to each other and to the I/O interfaces. Block Diagram and Buses This sectio...

Main ICs and Buses The architecture of the PowerBook G4 17-inch computer is designed around the PowerPC G4 microprocessorand Intrepid IC that contains the memory controller and I/O device controller. The PowerPC G4 microprocessor is connected to the Intrepid IC by a MaxBus bus. The bus clock speed i...

Level 2 Cache The data storage for the L2 cache consists of 256 KB of fast static RAM that is built into the microprocessorchip along with the cache controller and tag storage. The built-in L2 cache runs at the same clock speed asthe microprocessor. Level 3 Cache The data storage for the L3 cache is...

● support for 64 MB of DDR video memory with 128-bit interface ● 2D and 3D graphics acceleration ● transform acceleration ● lighting acceleration ● video acceleration ● support for MPEG decoding ● support for video mirror mode ● support for dual-display mode ● S-video output for a TV monitor The int...

The DB-DMA system provides a scatter-gather process based on memory resident data structures that describethe data transfers. The DMA engine is enhanced to allow bursting of data files for improved performance. Interrupt Support The Intrepid IC has an interrupt controller (MPIC) that handles interru...

The internal modem is a separate module that contains the data pump IC and the interface to the telephoneline (DAA). For more information about the modem, see “Internal Modem” (page 30). Sound Circuitry The sound circuitry, called Snapper, is connected to the Intrepid IC by a standard IIS (inter-IC ...

Two antennas are built into the computer’s case. To improve reception, a diversity module between theantennas and the card measures the signal strength from both antennas and selects the stronger signal forAirPort Extreme. AirPort Extreme is based on the IEEE draft specification of the 802.11g stand...

This chapter describes both the built-in I/O devices and the ports for connecting external I/O devices. Eachof the following sections describes an I/O port or device. USB Ports The PowerBook G4 17-inch computer has two external USB v1.1 ports that can be used to connect additionalI/O devices such as...

The PowerBook G4 17-inch computer supports all four data transfer types defined in the USB specification. USB devices can provide a remote wakeup function for the computer. The USB root hub in the computer isset to support remote wakeup whenever a device is attached to the bus. USB Storage Devices C...

Figure 3-2 6-pin FireWire connector Table 3-2 Pin assignments on the 6-pin FireWire connector Description Signal name Pin Unregulated DC; 12.8 V Power 1 Ground return for power and inner cable shield Ground 2 Twisted-pair B, differential signals TPB- 3 Twisted-pair B, differential signals TPB+ 4 Twi...

Booting from a FireWire Device The PowerBook G4 17-inch computer can boot from a FireWire storage device that implements SBP-2 (SerialBus Protocol) with the RBC (reduced block commands) command set. Detailed information is available fromDeveloper Technical Support at [email protected]. Target Disk Mode ...

Signal definition Signal name Pin Not used – 4 Not used – 5 Receive (negative lead) RXN 6 Not used – 7 Not used – 8 Table 3-5 Signals for 1000Base-T operation Signal definition Signal name Pin Transmit and receive data 0 (positive lead) TRD+(0) 1 Transmit and receive data 0 (negative lead) TRD–(0) 2...

● fax modem bit rates up to 14.4 Kbps The modem is connected to an internal USB port and is a vendor-specific USB device. The modem drivercontrols the modem hardware and presents a virtual serial port to the operating system and applications.Applications that bypass the operating system’s modem driv...

● The AirPort Extreme Base Station can authenticate users by their unique Ethernet IDs, preventingunauthorized computers from logging into your network. Network administrators can take advantageof RADIUS compatibility, used for authenticating users over a remote server. Smaller networks can offerthe...

● object push —enables the transfer of files between Bluetooth devices For more information on Bluetooth technology, refer to “Bluetooth” (page 63). Bluetooth and AirPort Extreme share the antennas in the PowerBook G4 17-inch computer’s display housing. Hard Disk Drive The PowerBook G4 17-inch compu...

Figure 3-4 Maximum dimensions of the internal hard disk Hard Disk Connector The internal hard disk has a 48-pin connector that carries both the ATA signals and the power for the drive.The connector has the dimensions of a 50-pin connector, but with one row of pins removed, as shown in Figure 3-5 (pa...

Figure 3-5 Hard disk connector and location Signal Assignments Table 3-6 (page 35) shows the signal assignments on the 44-pin portion of the hard disk connector. A slash (/) at the beginning of a signal name indicates an active-low signal. Table 3-6 Pin assignments on the ATA hard disk connector Sig...

Signal name Pin number Signal name Pin number CSEL 28 IORDY, /DDMARDY, DSTROBE 27 GROUND 30 /DMACK 29 /IOCS16 32 INTRQ 31 /PDIAG, /CBLID 34 /DA1 33 /DA2 36 /DA0 35 /CS1 38 /CS0 37 GROUND 40 /DASP 39 +5V MOTOR 42 +5V LOGIC 41 Reserved 44 GROUND 43 /IOCS16 is not used; see Table 3-7 (page 36). ATA Sig...

Writing speed Reading speed (maximum) Media type – 24x (CAV max) CD or CD-ROM The Apple SuperDrive writes to DVD-R 4.7 gigabyte General Use media. These discs are playable in moststandard DVD players and computer DVD-ROM drives. For a list of players tested by Apple for playability,refer to http://w...

The PowerBook G4 17-inch computer has a fiber-optic backlit keyboard and ambient light sensors that controlthe brightness of the display and the keyboard backlighting. In low light, the computer automaticallyilluminates the backlit keyboard and lowers the display brightness. As light levels increase...

Using the Fn Key Pressing the Fn key affects three sets of keys: the function keys F1–F12, the embedded numeric keypad, andcertain modifier keys. ● It toggles the function keys between their control-button operation and their F1–F10 functions, as shownin Table 3-9 (page 42) and Figure 3-7 (page 40)....

External Monitors The computer has a Digital Visual Interface (DVI) port for connecting to flat panel displays, a VGA monitor,or projection devices. The DVI connector supports DVI-equipped displays and projectors. A DVI-to-VGAadapter is included for use with analog monitors. With a DVI-to-ADC adapte...

Frame rate Picture size (pixels) 85 Hz 1920 by 1200 85 Hz 1920 by 1440 75 Hz 2048 by 1536 Note: Table 3-13 (page 45) lists the most common resolutions; additional resolutions are possible. When the flat-panel display and an external video monitor are operating at the same time, the system allocatese...

algorithm also provides robust clock recovery for greater skew tolerance with longer cables or low-cost shortcables. For additional information about TMDS, see the references shown in “Digital Visual Interface” (page 63). External Video Port The PowerBook G4 17-inch computer has a video port that pr...

Pixel depth Picture size 24 bpp 640 by 480 24 bpp 60 Hz NTSC only 720 by 480 24 bpp 50 Hz PAL only 720 by 576 24 bpp 800 by 600 24 bpp 832 by 624 24 bpp 1024 by 768 Sound System The sound system for the PowerBook G4 17-inch computer supports stereo sound output and input, availablesimultaneously. Th...

Built-in Microphone The built-in microphone is located at the bottom of the left speaker grill. The sound signal from the built-in microphone goes through a dedicated preamplifier that raises its nominal30 mV level to a nominal 150 mV (peak-to-peak) signal to the sound circuitry. That signal level a...

Internal Speakers The computer has two internal speakers, one on either side of the keyboard. The computer turns off thesound signals to the speakers when an external device is actively connected to the sound output jack andduring power management. Digitizing Sound The sound circuitry digitizes and ...

This chapter describes the expansion features of the PowerBook G4 17-inch computer’s RAM expansion slotsand the CardBus slot. RAM Expansion Slots The computer has two RAM expansion slots that accommodate standard SO (small outline) DIMMs usingDDR SDRAM devices. One slot may is occupied by factory-in...

Mechanical Design of DDR RAM SO-DIMMs The RAM expansion modules used in the PowerBook G4 17-inch computer are PC2700 DDR333 RAM SO-DIMMs,as defined in the JEDEC specifications. The mechanical characteristics of the RAM expansion SO-DIMM are given in the JEDEC specification for theDDR SO-DIMM. The sp...

DDR SDRAM Devices The DDR SDRAM devices used in the RAM expansion modules must be self-refresh type devices for operationfrom a 2.5 V power supply. The speed of the DDR SDRAM devices must be 167 MHz or higher. The devices are programmed to operate with a CAS latency of 2.5 or 3. At these CAS latenci...

Note: The PowerBook G4 17-inch computer does not use memory interleaving, so installing two SO-DIMMs of the same size does not result in any performance gain. Address Multiplexing Signals A[0] – A[12] and BA[0] – BA[1] on each RAM SO-DIMM make up a 15-bit multiplexed address bus thatcan support seve...

CardBus Slot The CardBus slot accepts one Type I or Type II card. The slot supports both 16-bit PC Cards and 32-bit CardBusCards. The card can be removed and replaced while the computer is operating. Note: The CardBus slot does not provide 12 V power. For information about the CardBus and the PC Car...

For more information about the technologies mentioned in this developer note, you may wish to consultsome of the following references. For information about older models of Macintosh computers, refer to the developer notes archive at http://developer.apple.com/documentation/HardwareDrivers/index.htm...

Velocity Engine (AltiVec) Velocity Engine is Apple’s name for the AltiVec vector processor in the PowerPC G4 microprocessor. Appleprovides support for developers who are starting to use the Velocity Engine in their applications.Documentation, development tools, and sample code are available on the W...

ATA Devices ATA (AT Attachment), also referred to as integrated drive electronics (IDE), is a standard interface used withstorage devices such as hard disk drives. For more information on ATA, refer to the following Apple websiteat http://developer.apple.com/documentation/Hardware/DeviceManagers/ata...

Here a lists of abbreviations used in this developer note. Abbreviations and Standard Units Standard units of measure used in this note include: megabytes MB amperes A megabits per second Mbps decibels dB megabits Mbits gigabytes GB megahertz MHz hertz Hz millimeters mm kilobytes KB nanoseconds ns k...