ÅMacintosh Duo SystemContentsFigures and TablesAbout This Note Conventions Used in This BookOther Reference MaterialFor More Information Macintosh PowerBook Duo ComputerSoftware IssuesMarket Segments Figure 1-1 The PowerBook DuoMachine IdentificationPowerBook Duo FeaturesExpansion FeaturesDesign ArchitectureProcessing and Control4Figure 1-2 PowerBook Duo with expansion capabilities1Figure 1-3 PowerBook Duo simplified block diagramMemory and Storage Capacity
Communication#SCSI and SCC Interface CapabilitiesModem and Fax LinksHuman InterfaceVideo Display PanelKeyboard TrackballMicrophone and SpeakerMain Expansion ConnectorHFigure 2-1 Block diagram of the PowerBook Duo main logic board functions4Figure 2-2 Outline of PowerBook Duo main logic boardMain ProcessorMemory Mapping6Figure 2-3 Physical address space of the PowerBook DuoFigure 2-4 Map of I/O space?Figure 2-5 Map of video buffer and pseudo NuBus expansion spaceMemoryDRAMDRAM Expansion Card
System ROM Docking Manager Calls on ROMMain System Controller Integrated VIAs Timing and Interrupt ControlMemory Access and Control Sound DMA Power Saving!Power Requirements and ManagementThe Power Manager Operating Modes&On/off button effects on Power Manager+Power-Saving and Built-in Security FeaturesPowerBook Duo Power StatesNapSleep Shutdown)Battery Power Supply and AC Power AdapterPower Operating ModesBattery ChargerAC Power Adapter$Combination SCSI/SCC Controller Chip&Small Computer System Interface (SCSI)%Serial Communication Controller (SCC)-Power-Management Constraints for SCSI and SCCVideo ComponentsSound ComponentsHard-Disk Drive Housing"Figure 3-1 Hard disk drive housing*Figure 3-2 Bracket for the hard disk driveOperating ModesPower Off Mode
Start-up Mode
Ready Mode Standby ModePower Requirements-Hard disk current drain and power consumptionHard Disk InterfaceInterface RequirementsSCSI Connector+Hard disk SCSI connector signal assignments
Terminator+Figure 4-1 Rear panel of the PowerBook Duo Main Expansion Connector6Main expansion connector signal assignments(continued)Serial Port Connector 3Serial port connector signal assignments(continued)Power Connector "Power connector signal assignmentsRJ-11 Modem Connector Modem HardwareMechanical Specifications<Figure 5-1 Outline of domestic and international modem cards*Modem Implementation for Different Markets Figure 5-2 Modem card dimensions&Figure 5-3 Modem card component height2Figure 5-4 Simplified view of modem card functionsTelephone Line Interface Software ArchitectureModem Control PanelCommunications ToolBox Fax Terminal Software
FAX SenderFAX Extension Driver FAX Terminal
CompatibilityModem Features Communicating with the Modem Arbitration
Ring MessagesData-User AssociationsNon-Data User Associations%Error Correction and Data Compression Installation!Fax Send and Receive Capabilities Modem Card Power RequirementsModem Interface Modem Card Electrical Interface3Modem card connector signal assignments (continued) Modem Card Hardware InterfaceStand-alone PowerBook Duo=Figure 5-5 Interface between modem card and the PowerBook DuoPowerBook Duo with MiniDockPowerBook Duo with Duo Dock9Figure 5-6 Interface between modem card and the Mini Dock8Figure 5-7 Interface between modem card and the Duo Dock Modem Power Control Interface#Telephone Line Electrical InterfaceModem/fax Specifications#Modem/fax specifications(continued)Design SpecificationsDRAM ComponentsApple-designed Cards)Figure 6-1 Outline of DRAM expansion card1Figure 6-2 DRAM expansion card chip configuration%Summary of DRAM capacities(continued) Addressing the Expansion Cards DRAM Expansion Card Interface;DRAM expansion card connector signal assignments(continued)*DRAM Expansion Card Current and Power Draw*DRAM expansion card current and power draw"DRAM Expansion Card Specifications-DRAM expansion card specifications(continued)Clamshell Housing LCD Panel9Figure 7-1 View of PowerBook Duo housing in open position0Figure 7-2 Views of PowerBook Duo housing closedIntegral Keyboard"Figure 7-3 PowerBook Duo keyboardsIntegral Trackball+Figure 7-4 PowerBook Duo trackball assemblyCPU ROMUniversal ROM SupportMouse/Trackball Video Driver SCSI ManagerDeclaration ROMSystem SoftwarePowerBook Control Panel*Figure 8-1 The PowerBook Duo control panel Figure 8-2 Options dialog boxPort A AppleTalk#PowerBook Duo Display Control Panel.Figure 8-3 PowerBook Duo display control panel
AutoRemounter&Figure 8-4 AutoRemounter control panelData Pump Driver Fax SupportSoftware Features8PowerBook Duo
Floppy Adapter and Macintosh Duo MiniDockBFigure 9-1 PowerBook Duo with Floppy Adapter and MiniDock features,Overview of the PowerBook Duo Floppy Adapter&Overview of the Macintosh Duo MiniDock Power Budget)Expansion device power budget (continued)Electrical Considerations Thermal Considerations $PowerBook Duo Floppy Adapter Housing Interface with the PowerBook Duo4Figure 10-1 Views of PowerBook Duo Floppy Adapter NMain expansion connector pins used for the Floppy Adapter interface(continued) Floppy Adapter Main Logic BoardcFigure 10-2 Outlines of the PowerBook Duo Floppy Adapter logic board with components and dimensionsCFigure 10-3 Block diagram of PowerBook Duo Floppy Adapter functionsApple Desktop Bus Connector*Figure 10-4 ADB connector pin designations ADB connector signal assignments Support for Floppy Disk Drive8Figure 10-5 Floppy disk drive connector pin designations.Floppy disk drive connector signal assignments Power Supply"Designing a Macintosh Duo MiniDock Macintosh Duo MiniDock Housing*Figure 11-1 Macintosh Duo MiniDock housingRear Panel I/O ConnectorsLocking MechanismDocking Constraints Interface with the Powerbook DuoOMain expansion connector signals used for the Duo MiniDock interface(continued) Duo MiniDock Main Logic Board >Figure 11-2 Macintosh Duo MiniDock logic board with components>Figure 11-3 Macintosh Duo MiniDock logic board with dimensions=Figure 11-4 Block diagram of Macintosh Duo MiniDock functionsSupport for Video FeaturesApple VSC ASIC
Video formats Video RAM Video OutputVideo Interface,Figure 11-5 Video connector pin designations"Video connector signal assignments Support for Floppy Disk DriveSWIM II ControllerFloppy Disk Drive Interface8Figure 11-6 Floppy disk drive connector pin designations9Floppy disk drive connector signal assignments(continued)Support for SCSI Devices+Figure 11-7 SCSI connector pin designations,SCSI connector signal assignments(continued)Serial I/O Support2Figure 11-8 Serial port connector pin designations(Serial port connector signal assignmentsApple Desktop Bus Connector*Figure 11-9 ADB connector pin designations ADB connector signal assignments Audio PortsDeclaration ROM
Power Sources>Power sources for Macintosh Duo MiniDock subsystems(continued)Modem Adapter Card/Modem adapter card connector signal assignments Figure 11-10 Modem adapter card'Docking and Undocking the PowerBook DuoDocking ConditionsDocking Constraints6Conditions for docking and undocking the PowerBook Duo Figure 12-1 Disconnect alert box Figure 12-2 Connect alert box&Preferences and Information IdentitiesMultiple EnvironmentsMonitorsFile-Server ConnectionsSingle to Multiple Ports%Overview of Declaration ROM Functions)Overview of Modified System ROM FunctionsStart-Up ProcessWake-Up ProcessMacintosh Duo Dock"Overview of the Macintosh Duo Dock:Figure 13-1 PowerBook Duo with Macintosh Duo Dock featuresDeclaration ROMDocking ConstraintsMacintosh Duo Dock Housing +Figure 14-1 Macintosh Duo Dock with monitor,Figure 14-2 Side views of Macintosh Duo Dock6Figure 14-3 Rear and front views of Macintosh Duo DockPowerLatch Technology Interface to the PowerBook DuoKMain expansion connector signals used for the Duo Dock interface(continued)Duo Dock Main Logic Board6Figure 14-4 Outline of Macintosh Duo Dock logic board
Video SupportVideo Subsystem Controller
Video formats9Figure 14-5 Block diagram of Macintosh Duo Dock functions
Video RAM Figure 14-6 VRAM SIMM 1VRAM SIMM connector signal assignments(continued)
Video Output
Video Port,Figure 14-7 Video connector pin designations-Video connector signal assignments(continued) SCSI Support+Figure 14-8 SCSI connector pin designations,SCSI connector signal assignments(continued)Serial Communication Ports2Figure 14-9 Serial port connector pin designations(Serial port connector signal assignmentsApple Desktop Interface+Figure 14-10 ADB connector pin designations ADB connector signal assignments Sound PortsModem Adapter Card Figure 14-11 Modem adapter card5Modem adapter connector signal assignments(continued)Internal Floppy Drive.Floppy disk drive connector signal assignmentsOptional Hard Drive>Hard drive 50-pin SCSI connector signal assignments(continued)NuBus ExpansionNuBus ControllerNuBus I/O spaceNuBus InterfaceFFigure 14-12 NuBus adapter connector on Macintosh Duo Dock logic board6Figure 14-13 NuBus adapter card mounting configuration@Figure 14-14 Front view of NuBus adapter card showing connectors:NuBus adapter card connector signal assignments(continued):NuBus adapter card connector signal assignments(continued) Floating-Point Unit Interface+FPU interface signal assignments(continued)
Power Supply DC output currents and power)DC output voltage cross-regulation limits)Power supply connector signal assignmentsNetwork Support'Docking and Undocking the PowerBook DuoDocking ConditionsJConditions for docking and undocking the PowerBook Duo computer(continued)Docking ConstraintsFigure 15-1 Sleep alert box$Figure 15-2 Sleep warning alert box %Figure 15-3 Computer locked alert box&Preferences and Information IdentitiesMultiple EnvironmentsMonitorsFile-Server Connections AppleTalkSingle to Multiple PortsAuto-Remounting Support%Overview of Declaration ROM Functions)Overview of Modified System ROM FunctionsStart-Up ProcessWake-Up Process Declaration ROM Specifications Overview Firmware StructureFirmware OverviewThe Format BlockThe Board sResourceFigure A-1 Board sResourceThe sResource Directory Figure A-2 sResource directory The Docking Functional sResource Defined selectors(continued)Hardware Attributes+Figure A-3 Function result dockHardwareAttr dockHardwareAttr bit fields.Docking Attributes*Figure A-4 Function result dockDockingAttrdockDockingAttr bit fields.Locking Attributes*Figure A-5 Function result dockLockingAttr*Function result dockLockingAttr bit fields Power Status*Figure A-6 Function result dockPowerStatus dockPowerStatus bit fields SCC Ports(Figure A-7 Function result dockSCC PortsdockSCC Ports bit fieldsSCSI Disk Mode+Figure A-8 Function result dockSCSIDiskModedockSCSIDiskMode bit fieldsSCSI Chip Type(Figure A-9 Function result dockSCSIType dockSCSIType bit fieldsNuBus Connectors-Figure A-10 Function result dockNuBusConnects dockNuBusConnects bit fieldsEject Attributes+Figure A-11 Function result dockEjectStatusdockEjectStatus bit fieldsSound Attributes)Figure A-12 Function result dockSoundAttrdockSoundAttr bit fieldsFloppy Drive Icon ROM VersionBase Address CallsDocking Initialization!Figure A-13 Params field dockInitdockInit fieldsDocking CleanupSave Sleep StateRestore Sleep State
Docking Eject
Power Control)Figure A-14 Params field dockPowerControldockPowerControl bit fields SCSI Disk Mode Interrupt Handler CPU SpeedDiagnostic Tests Docking SlotOther Functional sResourcesThe System ROM ProcessThe Start-Up ProcessThe Wake-Up Process Duo Dock versus Duo MiniDockIndex
