UltraBay, System Board | IBM 770 guide

UltraBay II

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

Image 34

IBM 770 manual UltraBay, System Board

Contents

05L1739 S05L-1739-00 First Edition Contents System Overview System Resources Section 3. SubsystemsAppendix A Appendix B. System Management API SMAPI Index ManagementPage Maximum FiguresSupply Assignments viii Preface x Preface Section 1. System Overview computer Description1-2 System Overview board devices and their features. The System Board Devices and FeaturesIBM Personal System/2 Hardware Interface Technical Reference lists the 1-4 System Overview Figure 1-2 Part 2 of 2. System Board Devices and Features System Board I/O Address Map Figure 1-3 is the I/O address map Address 1-6 System OverviewDevice Performance Specifications Specifications1-4. Performance Specifications Physical Specifications 1-8 System Overview 1-6. Electrical Specifications Electrical Specifications1-7. Acoustical Readings Voltages Power Supply1-10 System Overview Output Protection Power Supply ConnectorBattery Pack Voltage Sequencing 1-12 System Overview Figure 1-10. Lithium-ion Battery Pack Specifications Section 2. System Board Cache Memory Operation MicroprocessorSystem Board Bus Adapter Address Connector Keyboard/Mouse ConnectorSignals 2-4 System Board Interface Scan CodesHardware Technical Keyboard ID 2-6 System Board Displayable Characters and Symbols Hard Disk Drive Connector 2-8 System Board External Signal Name 2-10 System BoardType System Board UltraBay 2-12 System Board Feature SignalI/O and 2-14 System Board Read Diskette Drive and Controller2-9. Diskette Drive Write RAM Subsystem MemoryROM Subsystem 2-16 System Board System Memory Map System Board Memory for the DIMM Connectors 2-18 System Board RT/CMOS RAM Address 0071 NMI Mask Register HexBits 2-20 System Board Operations RAM I/ORT/CMOS Clock 2-22 System BoardReal-Time 000-00D Status 2-24 System Board BitFunction Byte Hex 00E CMOS RAM ConfigurationFigure 2-20. Diagnostic Status Byte Hard 2-26 System BoardDiskette Drive Type Byte Hex 010 This byte indicates the type Disk Disk Drive Type Bits 5Figure 2-28. Installed Diskette Drive Bits Figure 2-26. Hard Disk Drive Type Byte Memory Bytes 2-28 System BoardExpansion Date-Century Miscellaneous System Functions and Ports Nonmaskable Interrupt NMI 0092 Port A HexSystem Control 2-30 System Board 0061 System/2 and Personal Computer BIOS InterfaceSystem System Other Passwords Power-On Password2-32 System Board Selectable Drive-Startup Sequence Hardware Compatibility 2-34 System Board Error Codes Figure 2-33 Part 1 of 2. Error Codes 2-36 System Board Figure 2-33 Part 2 of 2. Error Codes Section 3. Subsystems Note Use Video Subsystem3-2 Subsystems Buffer Figure3-1Alpha Expanded VESA Mode BIOSModes-Trident Monitor MIDI Port Function Modem SubsystemThinkPad Modem Sound Blaster Support Function Telephony Modem Function 3-6 Subsystems I/O Address Audio SubsystemMPC-2 Line Audio Port Specifications3-8 Subsystems Infrared IR Subsystem DMA Channel Enhanced Video Subsystem Video Port Specification3-10 Subsystems same PCMCIA Subsystem2 Manufactured by Texas Instruments corporation Pin Assignments 3-12 Subsystems PCMCIA PC Card Slot Pin Assignments Ground MIDI Interface IDE Channel on the UltraBayMIDI/Joystick Port Joystick Interface Appendix 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 Overview B-4 SMAPI BIOS Image Real Mode Entry Point SMAPI BIOS B-5Information Word 16-Bit or 32-Bit Protected Calling Convention B-6 SMAPI BIOSParameter Structure SMAPI BIOS B-7 Output Field B-8 SMAPI BIOS Sample in Assembler Language SMAPI BIOS B-9 Sample in C Language Calling Convention Pseudo Code B-10 SMAPI BIOS B-11 Return Codes Function Description ServiceB-12 Get System Identification SMAPI BIOS B-13 Get CPU Information B-14 InformationGet Display Device SMAPI BIOS B-15 Get Docking Station B-16 Get UltraBayInformation Control Unit Information SMAPI BIOS B-17Get Slave Micro B-18 Get System Sensor SMAPI BIOS B-19 Get Video Information B-20 CapabilityGet Refresh Rate SMAPI BIOS B-21 System Configuration Service B-22 SMAPI BIOS B-23 Set Display Device State B-24 SMAPI BIOS B-25 Get Pointing Device B-26 Set Pointing Device SMAPI BIOS B-27 Get Hotkey B-28 Set Hotkey Sticky/Lock Power SMAPI BIOS B-29Service B-30 Set Power Management Get Timer Control SMAPI BIOS B-31 B-32 Set Timer Control SMAPI BIOS B-33 Event Bit Definition B-34 Condition SMAPI BIOS B-35Get System Event Global Set System Event Global Condition B-36 Get System Event SMAPI BIOS B-371 Condition 1 Condition Set System EventB-38 SMAPI BIOS B-39 2 Condition B-40 Get System Timer SMAPI BIOS B-41 Set System Timer B-42 SMAPI BIOS B-43 Get Hibernation Set Hibernation Timer B-44 SMAPI BIOS B-45 3 Condition B-46 SMAPI BIOS B-47 Get System Resume B-48 Set System Resume SMAPI BIOS B-49 B-50 SMAPI BIOS B-51 Standby B-52 Hibernation Samples SMAPI BIOS B-53Data Structure Parameters B-54 SMBHDRP16OFFSET SMAPI BIOS B-55SMBHDRRSEGMENT SMBHDRP32OFFSET B-56 SMAPI BIOS B-57 Function Declaration Installation Check B-58 SMAPI BIOS B-59 B-60 SMAPI BIOS B-61 MyPtr BIOS Call B-62 SMAPI BIOS B-63 32-Bit Protected Mode B-64 MyInput.SMBINSUBFUNC Appendix C. Notices Trademarks C-2 Notices Index X-2 Index Index X-4 Index boardcontinued devicescontinued Part Number 05L1739 Printed in the United States of America