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IBM 770 manual Part Number 05L1739 Printed in the United States of America

Models: 770

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IBM

Part Number: 05L1739

Printed in the United States of America

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IBM 770 manual Part Number 05L1739 Printed in the United States of America

Contents

05L1739 S05L-1739-00 First EditionContents System OverviewSection 3. Subsystems Appendix ASystem Resources Appendix B. System Management API SMAPIIndex ManagementPage Figures SupplyMaximum Assignmentsviii Preface x Preface Section 1. System Overview System Board Devices and FeaturesPower Supply Power Supplycomputer Description1-2 System Overview System Board Devices and Features IBM Personal System/2 Hardware Interface Technical Referenceboard devices and their features. The 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 Specifications Performance Specifications1-4. Performance Specifications System OverviewPhysical Specifications 1-8 System OverviewElectrical Specifications 1-6. Electrical SpecificationsSystem Overview 1-7. Acoustical ReadingsVoltages Power Supply1-10 System Overview Power Supply Connector Battery PackOutput Protection Voltage Sequencing1-12 System Overview Figure 1-10. Lithium-ion Battery Pack SpecificationsSection 2. System Board Microprocessor Cache Memory OperationSystem Board DescriptionAddress Bus AdapterSystem Board Keyboard/Mouse Connector SignalsConnector 2-4 System BoardScan Codes HardwareInterface TechnicalKeyboard ID 2-6 System BoardDisplayable Characters and Symbols System BoardHard Disk Drive Connector 2-8 System BoardExternal System Board2-10 System Board Signal NameSignal Name TypeSignal Name Signal NameSystem Board TypeUltraBay 2-12 System BoardSignal FeatureSystem Board I/O and2-14 System Board 2. UltraBay II Connector Pin AssignmentsSignal FeatureDiskette Drive and Controller System Board2-9. Diskette Drive ReadMemory ROM SubsystemRAM Subsystem 2-16 System BoardSystem Memory Map System BoardSystem Board Memory for the DIMM Connectors 2-18 System BoardSystem Board RT/CMOS RAMAddress NMI Mask Register Hex Bits0071 2-20 System BoardRAM I/O OperationsSystem Board RT/CMOS2-22 System Board Real-TimeClock 000-00DBits BitsBits System Board2-24 System Board BitFunctionCMOS RAM Configuration Figure 2-20. DiagnosticBits Byte Hex 00E2-26 System Board Diskette Drive Type Byte Hex 010 This byte indicates the typeBits HardBits 5 Figure 2-28. Installed Diskette Drive BitsFigure 2-29. Display Operating Mode Bits System Board2-28 System Board BitsExpansion Memory BytesNonmaskable Interrupt NMI Miscellaneous System Functions and PortsSystem Board Port A Hex System Control0092 2-30 System BoardSystem/2 and Personal Computer BIOS Interface System0061 SystemPower-On Password Other Passwords2-32 System Board 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 Figure3-1 AlphaBuffer ExpandedBIOS VESA ModeVideo Mode Modes-TridentModem Subsystem ThinkPad ModemMIDI Port Function Sound Blaster Support FunctionTelephony Modem Function 3-6 SubsystemsAudio Subsystem MIDI Port FunctionSound Blaster Support Function SubsystemsAudio Port Specifications Line3-8 Subsystems LineDMA Channel Infrared IR SubsystemSubsystems Enhanced Video Subsystem Video Port Specification3-10 Subsystems PCMCIA Subsystem Subsystemssame 2 Manufactured by Texas Instruments corporationPin Assignments 3-12 SubsystemsPCMCIA PC Card Slot Pin Assignments SubsystemsGround IDE Channel on the UltraBay MIDI/Joystick PortMIDI Interface Joystick InterfaceAppendix A. System Resources Page Resource Page Appendix B. System Management API SMAPI BIOS Overview B-2 SMAPI BIOS System Configuration Power ManagementSMAPI BIOS B-3 OverviewB-4 SMAPI BIOS ImageReal Mode Entry Point SMAPI BIOS B-5Information Word 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 CodesService B-12System Information 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 FieldSet Display Device State B-24Input Field 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 FieldSet Timer Control SMAPI BIOS B-33Input Field Output FieldB-34 Event Bit DefinitionSMAPI BIOS Condition SMAPI BIOS B-35Get System Event Global Set System Event Global Condition B-36Input Field Output FieldGet System Event SMAPI BIOS B-371 Condition Set System Event 1 ConditionB-38 Input FieldSMAPI BIOS B-39 2 ConditionGet System Event Input FieldB-40 Set System Event2 Condition Input FieldGet System Timer SMAPI BIOS B-41Input Field Output FieldSet System Timer B-42Input Field Output FieldSMAPI BIOS B-43 Get HibernationSet Hibernation Timer B-44Input Field Output FieldSMAPI BIOS B-45 3 ConditionGet System Event Input FieldB-46 Set System Event3 Condition 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-54SMAPI BIOS B-55 SMBHDRRSEGMENTSMBHDRP16OFFSET 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