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IBM 600 manual Information Word, Entry Point, 16-Bit

Models: 600

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Information Word
This area identifies the following BIOS service level:
Information Word
Bit	: Real/V86 mode interface support
Bit 1	: 16-bit protected mode support
Bit 2	: 32-bit protected mode support

	Bit 3-15 : Reserved
Real Mode	Entry Point
	The entry point is specified					in	segment,	offset		format.
	Clients	using		Real/V86 mode can		use	this area		for	the
	far-call	value.
16-Bit	or 32-Bit Protected		Mode	Entry	Point
	The code base code address specifies the physical
	address for this BIOS, and the client must prepare the
	selector		for	this	BIOS. The	length should		be	64	KB.

SMAPI BIOS B-5

Image 81

IBM 600 manual Information Word, Entry Point, 16-Bit

Contents

Page First Edition 1998Not Contents Miscellaneous System Functions ConfigurationNonmaskable Interrupt Control Port HexInstallation Check Bios Call PowerEvent SamplesPage Vii Viii Preface Preface Acoustical Readings Power Supply Voltages System Board Devices and FeaturesOr thecomputer is a notebook-size computer that features DescriptionIBM ThinkPad 600 computer hereafterThinkPadcalled Lists System Board devices and their features. System Board Devices and FeaturesDescribes Devices Products Type NumberController DriveBus Adapter PCI-busIs the I/O address map System Board I/O Address Map0DB0-0DBF HexTo -7 list the specifications for the computers SpecificationsSize Physical SpecificationsDiskette Without56 W Electrical SpecificationsVoltage KVAPower supply generates six Different Dc voltages VCC5M Power SupplyVoltages VCCSW. Figure Shows Maximum Current for Each VoltageOutput Protection Power Supply ConnectorVoltage Sequencing Pin VoltageProtection Battery PackDisplayable Characters and Symbols Hard Disk Keyboard/Mouse Connector SignalsConnectors Configuration Miscellaneous System FunctionsCache Memory Operation MicroprocessorThinkPad 600 uses Intel Pentium 233 ProcessorBus Adapter Invalidated When Microprocessor PerformsAddress Space ShadowedSignals Keyboard/Mouse ConnectorConnector Scan CodesKey Numbers for the 85-Key Keyboard For scan codes assigned to each numbered key,IBM refer to Keyboard IDFor displayable characters and symbols that are keyable from Displayable Characters and SymbolsExternal Bus Connector Hard Disk Drive ConnectorPin Signal Or Feature FeaturePart 1 Pin External Bus Connector Pin Assignments Part 2 Pin External Bus Connector Pin Assignments UltraSlim Bay Connector Part UltraSlim Bay Connector Pin Assignments SDD15 GND Diskette Drive and Controller Format Size44 MB Memory ROM SubsystemRAM Subsystem System Detects an errorIs mapped Memory Controller Registers Shows Starting Above Hex BoundaryShows Pin Assignments For Dimm connector System board has two Dimm connectorsPin Signal Signal PinBytes Bytes Their AddressesBit NMI Mask Register HexBits Hex 0071RAM address to the RT/CMOS and NMI OperationsThese bits control the divider chain For Oscillator Frequency or Disable Divider outputThese bits allow the selection of a divider output BitFunctionThis Bit Indicates Whether Binary-coded-decimal Status Register Hex 00BIf set to 1, this bit indicates that an alarm interrupt has Interrupts Are Enabled Bits Status Register BIf set to 1, this bit indicates that an interrupt has Occurred Bits Indicate Type InterruptSet This Bit Indicates That Real-time Clock Has Lost Power Cmos RAM ConfigurationSet This Bit Indicates That Checksum Is incorrect Set This Bit Indicates That Time is InvalidBits 7-4These bits indicate the diskette drive type Installed Diskette DriveByte Hex 011 This byte defines the type BitsThese bytes are reserved These bits indicate the operating mode of the displayBits 5 Attached Video portLow High Expansion Low and high base memory bytes defineKB. Low byte is hex High Byte Hex 018 High Byte HexNonmaskable Interrupt NMI Miscellaneous System Functions and Ports0092 Port a HexCan Cleared Only Turning System Off This Bit Reserved0061 HexPower-On Password Other PasswordsPassword Selectable Drive-Startup Sequence Hardware Compatibility Error Codes ErrorCode 34 Part 2 of 2. Error Codes System Board Video Subsystem Video Modes SubsystemsSubsystems Video SubsystemAlpha Buffer Max Type Colors Numeric Start Box Size Subsystems ThinkPad Modem Modem SubsystemMidi Port Function Sound Blaster Support FunctionTelephony Modem Function Telephony modem function provides the following settingsAudio Subsystem Serial PortAudio Port Specifications LineLine Subsystems Infrared IR Subsystem IRQ Level and DMA ChannelIRQ Level System unit resumes operation from suspend mode when it Not SupportedCurrent Per Slot Pin Assignments Shows Pin Assignments for the Pcmcia slotsPin Bit PC Card For Each Slot including Both Slots and V pp CurrentMIDI/Joystick Port IDE Channel on the UltraSlim BayMidi Interface Address IRQ LevelJoystick Interface Subsystems System DisabledMemory Hex Address HexHex Channel DMAScsi Page Get Power Power ManagementSet Power Get TimerRequest System Hibernation. . . . . . . . . . . . . B.-52 Power Management System ConfigurationOverview System InformationHeader image Get Entry point for Service Bios must provide the following headerSystems That Support Stored Top Header ImageInformation Word Entry Point16-Bit Parameter Structure Calling ConventionUses Stack/data area Directly With Selector When Field Offset Length HexLength Hex FieldSample in Assembler Language Sample in C Language Calling Convention Pseudo Code Following describes the calling convention using pseudo codeReturn Codes Get System Identification Function Description System Information ServiceCPU ID Get CPU InformationGet Display Device Get Docking Station Information FDD Get UltraBayGet Slave Micro Control Unit Information Status Get Video Information Get Refresh Rate Capability Smapi Bios B-21 State System Configuration ServiceSmapi Bios B-23 Set Display Device Get Pointing Device State Set Pointing Device State Get Hotkey Sticky/Lock Set Hotkey Sticky/Lock Get Power Management Mode Power Management ServiceSet Power Management Mode Get Timer Control Output Field Set Timer Control Event Bit Definition Get System Event Global Condition Set System Event Get System Event Condition Set System Event Condition Smapi Bios B-39 Input Field Get System Timer Set System Timer Get Hibernation Timer Set Hibernation Timer Smapi Bios B-45 Set System Event Condition Smapi Bios B-47 Set System Resume Condition Timer Set System Resume Suspend Request System StandbyOff Request System HibernationData Structure SamplesParameters Smapi Bios B-55 Fpinparm Function Declaration Installation Check Smapi Bios B-59 Byte SMBHDRSIG4 Smapi Bios B-61 Bios Call Bit Protected Mode SMB Or any Subject=NoticesAre LocalSmapi Bios Index ROM PCI RT/CMOS Smapi Devices parallel controller RAM subsystem