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IBM
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Selectable Drive-Startup Sequence, System Board
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Specs
Install
Error codes
Signals
Password
Get Timer Control
CMOS RAM Configuration
Hard Disk Drive Connector
Bios
Battery Pack
Page 55
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Contents
05L1739 S05L-1739-00
Edition
First
System Overview
Contents
Appendix B. System Management API SMAPI
Section 3. Subsystems
Appendix A
System Resources
Management
Index
Page
Assignments
Figures
Supply
Maximum
viii
Preface
x Preface
Section 1. System Overview
computer
Description
1-2 System Overview
lists the
System Board Devices and Features
IBM 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
Address
1-6 System Overview
Device
Performance Specifications
Specifications
1-4. Performance Specifications
1-8 System Overview
Physical Specifications
1-6. Electrical Specifications
Electrical Specifications
1-7. Acoustical Readings
Voltages
Power Supply
1-10 System Overview
Voltage Sequencing
Power Supply Connector
Battery Pack
Output Protection
Figure 1-10. Lithium-ion Battery Pack Specifications
1-12 System Overview
Section 2. System Board
Cache Memory Operation
Microprocessor
System Board
Address
Bus Adapter
2-4 System Board
Keyboard/Mouse Connector
Signals
Connector
Technical
Scan Codes
Hardware
Interface
2-6 System Board
Keyboard ID
Displayable Characters and Symbols
2-8 System Board
Hard Disk Drive Connector
External
Signal Name
2-10 System Board
Type
Type
2-12 System Board
UltraBay
Feature
Signal
I/O and
2-14 System Board
Write
Diskette Drive and Controller
2-9. Diskette Drive
Read
2-16 System Board
Memory
ROM 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 Hex
Bits
0071
Operations
RAM I/O
RT/CMOS
000-00D
2-22 System Board
Real-Time
Clock
Status
BitFunction
2-24 System Board
Status Byte
CMOS RAM Configuration
Figure 2-20. Diagnostic
Byte Hex 00E
Disk
2-26 System Board
Diskette Drive Type Byte Hex 010 This byte indicates the type
Hard
Figure 2-26. Hard Disk Drive Type Byte
Bits 5
Figure 2-28. Installed Diskette Drive Bits
Disk Drive Type
Date-Century
2-28 System Board
Expansion
Memory Bytes
Nonmaskable Interrupt NMI
Miscellaneous System Functions and Ports
2-30 System Board
Port A Hex
System Control
0092
System
System/2 and Personal Computer BIOS Interface
System
0061
Other Passwords
Power-On Password
2-32 System Board
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
Note Use
Video Subsystem
3-2 Subsystems
Expanded
Figure3-1
Alpha
Buffer
Monitor
BIOS
Modes-Trident
VESA Mode
Sound Blaster Support Function
Modem Subsystem
ThinkPad Modem
MIDI Port Function
3-6 Subsystems
Telephony Modem Function
I/O Address
Audio Subsystem
MPC-2
Line
Audio Port Specifications
3-8 Subsystems
DMA Channel
Infrared IR Subsystem
Enhanced Video Subsystem
Video Port Specification
3-10 Subsystems
same
PCMCIA Subsystem
2 Manufactured by Texas Instruments corporation
3-12 Subsystems
Pin Assignments
Ground
PCMCIA PC Card Slot Pin Assignments
Joystick Interface
IDE Channel on the UltraBay
MIDI/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 Configuration
Power Management
SMAPI BIOS B-3
Image
B-4 SMAPI BIOS
16-Bit or 32-Bit Protected
SMAPI BIOS B-5
Information Word
Real Mode Entry Point
Calling Convention
B-6 SMAPI BIOS
Parameter Structure
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
Service
B-12
Function Description
Get CPU Information
SMAPI BIOS B-13
B-14
Information
Get Display Device
Get Docking Station
SMAPI BIOS B-15
B-16
Get UltraBay
Information
Control Unit Information
SMAPI BIOS B-17
Get Slave Micro
Get System Sensor
B-18
Get Video Information
SMAPI BIOS B-19
B-20
Capability
Get Refresh Rate
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
Power
SMAPI BIOS B-29
Service
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
Condition
SMAPI BIOS B-35
Get System Event Global
B-36
Set System Event Global Condition
Get System Event
SMAPI BIOS B-37
1 Condition
1 Condition
Set System Event
B-38
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
Samples
SMAPI BIOS B-53
Data Structure
B-54
Parameters
SMBHDRP32OFFSET
SMAPI BIOS B-55
SMBHDRRSEGMENT
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
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