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IBM
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x Preface
Models:
770
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148 pages
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Specs
Install
Error codes
Signals
Password
Get Timer Control
CMOS RAM Configuration
Hard Disk Drive Connector
Bios
Battery Pack
Page 10
Image 10
x Preface
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Page 11
Page 10
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Page 9
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Contents
05L1739 S05L-1739-00
First
Edition
Contents
System Overview
System Resources
Section 3. Subsystems
Appendix A
Appendix B. System Management API SMAPI
Index
Management
Page
Maximum
Figures
Supply
Assignments
viii
Preface
x Preface
Section 1. System Overview
computer
Description
1-2 System Overview
board devices and their features. The
System Board Devices and Features
IBM 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 Overview
Device
Performance Specifications
Specifications
1-4. Performance Specifications
Physical Specifications
1-8 System Overview
1-6. Electrical Specifications
Electrical Specifications
1-7. Acoustical Readings
Voltages
Power Supply
1-10 System Overview
Output Protection
Power Supply Connector
Battery Pack
Voltage Sequencing
1-12 System Overview
Figure 1-10. Lithium-ion Battery Pack Specifications
Section 2. System Board
Cache Memory Operation
Microprocessor
System Board
Bus Adapter
Address
Connector
Keyboard/Mouse Connector
Signals
2-4 System Board
Interface
Scan Codes
Hardware
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 Board
Type
System Board
UltraBay
2-12 System Board
Feature
Signal
I/O and
2-14 System Board
Read
Diskette Drive and Controller
2-9. Diskette Drive
Write
RAM Subsystem
Memory
ROM 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 Hex
Bits
2-20 System Board
Operations
RAM I/O
RT/CMOS
Clock
2-22 System Board
Real-Time
000-00D
Status
2-24 System Board
BitFunction
Byte Hex 00E
CMOS RAM Configuration
Figure 2-20. Diagnostic
Status Byte
Hard
2-26 System Board
Diskette Drive Type Byte Hex 010 This byte indicates the type
Disk
Disk Drive Type
Bits 5
Figure 2-28. Installed Diskette Drive Bits
Figure 2-26. Hard Disk Drive Type Byte
Memory Bytes
2-28 System Board
Expansion
Date-Century
Miscellaneous System Functions and Ports
Nonmaskable Interrupt NMI
0092
Port A Hex
System Control
2-30 System Board
0061
System/2 and Personal Computer BIOS Interface
System
System
Other Passwords
Power-On Password
2-32 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 Subsystem
3-2 Subsystems
Buffer
Figure3-1
Alpha
Expanded
VESA Mode
BIOS
Modes-Trident
Monitor
MIDI Port Function
Modem Subsystem
ThinkPad Modem
Sound Blaster Support Function
Telephony Modem Function
3-6 Subsystems
I/O Address
Audio Subsystem
MPC-2
Line
Audio Port Specifications
3-8 Subsystems
Infrared IR Subsystem
DMA Channel
Enhanced Video Subsystem
Video Port Specification
3-10 Subsystems
same
PCMCIA Subsystem
2 Manufactured by Texas Instruments corporation
Pin Assignments
3-12 Subsystems
PCMCIA PC Card Slot Pin Assignments
Ground
MIDI Interface
IDE Channel on the UltraBay
MIDI/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 Configuration
Power Management
Overview
B-4 SMAPI BIOS
Image
Real Mode Entry Point
SMAPI BIOS B-5
Information Word
16-Bit or 32-Bit Protected
Calling Convention
B-6 SMAPI BIOS
Parameter 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
Service
B-12
Get System Identification
SMAPI BIOS B-13
Get CPU Information
B-14
Information
Get Display Device
SMAPI BIOS B-15
Get Docking Station
B-16
Get UltraBay
Information
Control Unit Information
SMAPI BIOS B-17
Get Slave Micro
B-18
Get System Sensor
SMAPI BIOS B-19
Get Video Information
B-20
Capability
Get 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-29
Service
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-35
Get System Event Global
Set System Event Global Condition
B-36
Get System Event
SMAPI BIOS B-37
1 Condition
1 Condition
Set System Event
B-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-53
Data Structure
Parameters
B-54
SMBHDRP16OFFSET
SMAPI BIOS B-55
SMBHDRRSEGMENT
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
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