CMOS RAM Configuration, Bits, Byte Hex 00E, System Board | IBM 770

Image 47

IBM 770 manual CMOS RAM Configuration, Bits, Byte Hex 00E, System Board, 20. Diagnostic, Status Byte

Contents

05L1739 S05L-1739-00 Edition First System Overview Contents Appendix B. System Management API SMAPI Section 3. SubsystemsAppendix A System Resources Management IndexPage Assignments FiguresSupply Maximum viii Preface x Preface Section 1. System Overview 1-2 System Overview Descriptioncomputer lists the System Board Devices and FeaturesIBM Personal System/2 Hardware Interface Technical Reference board devices and their features. The Figure 1-2 Part 2 of 2. System Board Devices and Features 1-4 System Overview Figure 1-3 is the I/O address map System Board I/O Address Map Device 1-6 System OverviewAddress 1-4. Performance Specifications SpecificationsPerformance Specifications 1-8 System Overview Physical Specifications 1-7. Acoustical Readings Electrical Specifications1-6. Electrical Specifications 1-10 System Overview Power SupplyVoltages Voltage Sequencing Power Supply ConnectorBattery Pack Output Protection Figure 1-10. Lithium-ion Battery Pack Specifications 1-12 System Overview Section 2. System Board System Board MicroprocessorCache Memory Operation Address Bus Adapter 2-4 System Board Keyboard/Mouse ConnectorSignals Connector Technical Scan CodesHardware Interface 2-6 System Board Keyboard ID Displayable Characters and Symbols 2-8 System Board Hard Disk Drive Connector External Type 2-10 System BoardSignal Name Type 2-12 System Board UltraBay I/O and SignalFeature 2-14 System Board Write Diskette Drive and Controller2-9. Diskette Drive Read 2-16 System Board MemoryROM Subsystem RAM Subsystem System Memory Map 2-18 System Board System Board Memory for the DIMM Connectors Address RT/CMOS RAM 2-20 System Board NMI Mask Register HexBits 0071 RT/CMOS RAM I/OOperations 000-00D 2-22 System BoardReal-Time Clock Status BitFunction 2-24 System Board Status Byte CMOS RAM ConfigurationFigure 2-20. Diagnostic Byte Hex 00E Disk 2-26 System BoardDiskette Drive Type Byte Hex 010 This byte indicates the type Hard Figure 2-26. Hard Disk Drive Type Byte Bits 5Figure 2-28. Installed Diskette Drive Bits Disk Drive Type Date-Century 2-28 System BoardExpansion Memory Bytes Nonmaskable Interrupt NMI Miscellaneous System Functions and Ports 2-30 System Board Port A HexSystem Control 0092 System System/2 and Personal Computer BIOS InterfaceSystem 0061 2-32 System Board Power-On PasswordOther Passwords Selectable Drive-Startup Sequence 2-34 System Board Hardware Compatibility Figure 2-33 Part 1 of 2. Error Codes Error Codes Figure 2-33 Part 2 of 2. Error Codes 2-36 System Board Section 3. Subsystems 3-2 Subsystems Video SubsystemNote Use Expanded Figure3-1Alpha Buffer Monitor BIOSModes-Trident VESA Mode Sound Blaster Support Function Modem SubsystemThinkPad Modem MIDI Port Function 3-6 Subsystems Telephony Modem Function MPC-2 Audio SubsystemI/O Address 3-8 Subsystems Audio Port SpecificationsLine DMA Channel Infrared IR Subsystem 3-10 Subsystems Video Port SpecificationEnhanced Video Subsystem 2 Manufactured by Texas Instruments corporation PCMCIA Subsystemsame 3-12 Subsystems Pin Assignments Ground PCMCIA PC Card Slot Pin Assignments Joystick Interface IDE Channel on the UltraBayMIDI/Joystick Port MIDI Interface Appendix A. System Resources Page Resource Page Appendix B. System Management API SMAPI BIOS Overview B-2 SMAPI BIOS Overview System ConfigurationPower Management SMAPI BIOS B-3 Image B-4 SMAPI BIOS 16-Bit or 32-Bit Protected SMAPI BIOS B-5Information Word Real Mode Entry Point Parameter Structure B-6 SMAPI BIOSCalling Convention Output Field SMAPI BIOS B-7 Sample in Assembler Language B-8 SMAPI BIOS Sample in C Language SMAPI BIOS B-9 B-10 Calling Convention Pseudo Code Return Codes SMAPI BIOS B-11 Get System Identification ServiceB-12 Function Description Get CPU Information SMAPI BIOS B-13 Get Display Device InformationB-14 Get Docking Station SMAPI BIOS B-15 Information Get UltraBayB-16 Get Slave Micro SMAPI BIOS B-17Control Unit Information Get System Sensor B-18 Get Video Information SMAPI BIOS B-19 Get Refresh Rate CapabilityB-20 SMAPI BIOS B-21 B-22 System Configuration Service SMAPI BIOS B-23 B-24 Set Display Device State Get Pointing Device SMAPI BIOS B-25 Set Pointing Device B-26 Get Hotkey SMAPI BIOS B-27 Set Hotkey Sticky/Lock B-28 Service SMAPI BIOS B-29Power Set Power Management B-30 SMAPI BIOS B-31 Get Timer Control B-32 SMAPI BIOS B-33 Set Timer Control B-34 Event Bit Definition Get System Event Global SMAPI BIOS B-35Condition B-36 Set System Event Global Condition 1 Condition SMAPI BIOS B-37Get System Event B-38 Set System Event1 Condition 2 Condition SMAPI BIOS B-39 B-40 SMAPI BIOS B-41 Get System Timer B-42 Set System Timer Get Hibernation SMAPI BIOS B-43 B-44 Set Hibernation Timer 3 Condition SMAPI BIOS B-45 B-46 Get System Resume SMAPI BIOS B-47 Set System Resume B-48 SMAPI BIOS B-49 B-50 Standby SMAPI BIOS B-51 Hibernation B-52 Data Structure SMAPI BIOS B-53Samples B-54 Parameters SMBHDRP32OFFSET SMAPI BIOS B-55SMBHDRRSEGMENT SMBHDRP16OFFSET B-56 Function Declaration SMAPI BIOS B-57 B-58 Installation Check SMAPI BIOS B-59 B-60 MyPtr SMAPI BIOS B-61 B-62 BIOS Call 32-Bit Protected Mode SMAPI BIOS B-63 MyInput.SMBINSUBFUNC B-64 Appendix C. Notices C-2 Notices Trademarks Index X-2 Index Index X-4 Index devicescontinued boardcontinued Part Number 05L1739 Printed in the United States of America