Manuals / IBM / Computer Equipment / Laptop

IBM 770 manual UltraBay, System Board

Models: 770

1 148

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UltraBay II		Connector
The	removable diskette		drive, secondary			hard disk	drive, DVD drive,
or	CD-ROM drive can be		connected	to	the	UltraBay	II connector on
the	system	board. This	connector	has	the following		pin assignments.

2-12 System Board

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Image 34

Contents

05L1739 S05L-1739-00 First EditionContents System OverviewSystem Resources Section 3. SubsystemsAppendix A Appendix B. System Management API SMAPIIndex ManagementPage Maximum FiguresSupply Assignmentsviii Preface x Preface Power Supply Section 1. System OverviewSystem Board Devices and Features Power Supplycomputer Description1-2 System Overview board devices and their features. The System Board Devices and FeaturesIBM Personal System/2 Hardware Interface Technical Reference lists the1-4 System Overview Figure 1-2 Part 2 of 2. System Board Devices and FeaturesFigure 1-3 is the I/O address map System Board I/O Address MapSystem Overview Address 1-6 System OverviewDevice 1-4. Performance Specifications SpecificationsPerformance Specifications System OverviewPhysical Specifications 1-8 System OverviewSystem Overview Electrical Specifications1-6. Electrical Specifications 1-7. Acoustical ReadingsVoltages Power Supply1-10 System Overview Output Protection Power Supply ConnectorBattery Pack Voltage Sequencing1-12 System Overview Figure 1-10. Lithium-ion Battery Pack SpecificationsSection 2. System Board System Board MicroprocessorCache Memory Operation DescriptionAddress Bus AdapterSystem Board Connector Keyboard/Mouse ConnectorSignals 2-4 System BoardInterface Scan CodesHardware TechnicalKeyboard ID 2-6 System BoardDisplayable Characters and Symbols System BoardHard Disk Drive Connector 2-8 System BoardExternal System BoardSignal Name 2-10 System BoardSignal Name TypeSystem Board Signal NameSignal Name TypeUltraBay 2-12 System BoardSystem Board SignalFeature I/O andSignal 2-14 System Board2. UltraBay II Connector Pin Assignments Feature2-9. Diskette Drive Diskette Drive and ControllerSystem Board ReadRAM Subsystem MemoryROM Subsystem 2-16 System BoardSystem Memory Map System BoardSystem Board Memory for the DIMM Connectors 2-18 System BoardSystem Board RT/CMOS RAMAddress 0071 NMI Mask Register HexBits 2-20 System BoardSystem Board RAM I/OOperations RT/CMOSClock 2-22 System BoardReal-Time 000-00DBits BitsBits System Board2-24 System Board BitFunctionBits CMOS RAM ConfigurationFigure 2-20. Diagnostic Byte Hex 00EBits 2-26 System BoardDiskette Drive Type Byte Hex 010 This byte indicates the type HardFigure 2-29. Display Operating Mode Bits Bits 5Figure 2-28. Installed Diskette Drive Bits System BoardExpansion 2-28 System BoardBits Memory BytesNonmaskable Interrupt NMI Miscellaneous System Functions and PortsSystem Board 0092 Port A HexSystem Control 2-30 System Board0061 System/2 and Personal Computer BIOS InterfaceSystem System2-32 System Board Power-On PasswordOther Passwords ReferenceSelectable Drive-Startup Sequence System BoardHardware Compatibility 2-34 System BoardFigure 2-33 Part 1 of 2. Error Codes Error CodesSystem Board 2-36 System Board Figure 2-33 Part 2 of 2. Error CodesSection 3. Subsystems Note Use Video Subsystem3-2 Subsystems Buffer Figure3-1Alpha ExpandedVideo Mode BIOSVESA Mode Modes-TridentMIDI Port Function Modem SubsystemThinkPad Modem Sound Blaster Support FunctionTelephony Modem Function 3-6 SubsystemsSound Blaster Support Function Audio SubsystemMIDI Port Function Subsystems3-8 Subsystems Audio Port SpecificationsLine LineDMA Channel Infrared IR SubsystemSubsystems Enhanced Video Subsystem Video Port Specification3-10 Subsystems same PCMCIA SubsystemSubsystems 2 Manufactured by Texas Instruments corporationPin Assignments 3-12 SubsystemsPCMCIA PC Card Slot Pin Assignments SubsystemsGround MIDI Interface IDE Channel on the UltraBayMIDI/Joystick Port Joystick InterfaceAppendix A. System Resources Page Resource Page Appendix B. System Management API SMAPI BIOS Overview B-2 SMAPI BIOS SMAPI BIOS B-3 System ConfigurationPower Management OverviewB-4 SMAPI BIOS ImageInformation Word Real Mode Entry PointSMAPI BIOS B-5 16-Bit or 32-Bit ProtectedCalling Convention B-6 SMAPI BIOSParameter Structure SMAPI BIOS B-7 Output FieldB-8 SMAPI BIOS Sample in Assembler LanguageSMAPI BIOS B-9 Sample in C LanguageCalling Convention Pseudo Code B-10SMAPI BIOS B-11 Return CodesSystem Information ServiceB-12 Function DescriptionSMAPI BIOS B-13 Get CPU InformationB-14 InformationGet Display Device Information SMAPI BIOS B-15Get Docking Station B-16 Get UltraBayInformation Control Unit Information SMAPI BIOS B-17Get Slave Micro B-18 Get System SensorSMAPI BIOS B-19 Get Video InformationB-20 CapabilityGet Refresh Rate SMAPI BIOS B-21 B-22 System Configuration ServiceGet Display Device SMAPI BIOS B-23 Output FieldInput Field Set Display Device StateB-24 Output FieldSMAPI BIOS B-25 Get Pointing DeviceB-26 Set Pointing DeviceSMAPI BIOS B-27 Get HotkeyB-28 Set Hotkey Sticky/LockPower SMAPI BIOS B-29Service B-30 Set Power ManagementSMAPI BIOS B-31 Get Timer ControlInput Field B-32 Output FieldInput Field Set Timer ControlSMAPI BIOS B-33 Output FieldB-34 Event Bit DefinitionSMAPI BIOS Condition SMAPI BIOS B-35Get System Event Global Input Field Set System Event Global ConditionB-36 Output FieldGet System Event SMAPI BIOS B-371 Condition B-38 Set System Event1 Condition Input FieldGet System Event SMAPI BIOS B-392 Condition Input Field2 Condition B-40Set System Event Input FieldInput Field Get System TimerSMAPI BIOS B-41 Output FieldInput Field Set System TimerB-42 Output FieldSMAPI BIOS B-43 Get HibernationInput Field Set Hibernation TimerB-44 Output FieldGet System Event SMAPI BIOS B-453 Condition Input Field3 Condition B-46Set System Event Input FieldSMAPI BIOS B-47 Get System ResumeB-48 Set System ResumeInput Field SMAPI BIOS B-49Output Field Input Field B-50Output Field SMAPI BIOS B-51 StandbyB-52 HibernationSamples SMAPI BIOS B-53Data Structure Parameters B-54SMBHDRP16OFFSET SMAPI BIOS B-55SMBHDRRSEGMENT SMBHDRP32OFFSETB-56 ParametersSMAPI BIOS B-57 Function DeclarationInstallation Check B-58SMAPI BIOS B-59 B-60 C LanguageSMAPI BIOS B-61 MyPtrBIOS Call B-6232-Bit Protected Mode SMAPI BIOS B-63B-64 MyInput.SMBINSUBFUNCAppendix C. Notices Trademarks C-2 NoticesIndex X-2 Index Index X-4 Index boardcontinued Indexdevicescontinued Part Number 05L1739 Printed in the United States of America