IBM 600 A-2

System

Resource IRQ I/O Address

(Hex) Memory

Address (Hex) DMA

Channel

MIDI 5, 7, 9,

10, 11,

15, or

disabled

0330–0332,

0300–0302,

0310–0313, or

0320–0323

None None

MIDI port 5, 7, 10,

11, or

disabled

0330–0332 or

0300–0302 None None

Joystick port None 0201 None None

(For models

with internal

modems only)

ThinkPad

modem

3 02F8–02FF None None

4 03F8–03FF

4 03E8–03EF

3 02E8–02EF

Disabled Disabled

WSS codec

base 5, 7, 9,

10, 11,

15

0530–0537,

0604–060B

0E80–0E87,

0F40–0F47

None 0, 1, 3,

Video control

base None 0538–053F,

0D38–0D3F

0E88–0E8F,

0FF0–0FF7

None None

Hard disk

drive, CD-ROM

drive (for the

CD-ROM drive

model)

14 or

15 01F0–01F7

and

03F6, or

0170–0177

and

0376

None None

PCMCIA

controller 11 03E0–03E1

(the PC Card

slot in the

docking

station:

03E2–03E3)

None None

PC Card (Depen-

dent on

the PC

Card

type)

(Dependent on

the PC Card

type)

(Dependent on

the PC Card

type)

None

Real time clock 8 0070–0071 None None

TrackPoint or

mouse 12 0060 and 0064 None None

Math

coprocessor

exception

13 None None None

A-2

Contents

Main First Edition (April 1998) Contents Page Page Page Figures Page Preface Reserved Page Section 1. System Overview Description computer ThinkPad computer IBM Personal System/2 and Personal Computer BIOS Interface System Board Devices and Features Figure 1-2 lists the system board devices and their features. The System Overview 1-3 Figure 1-2 (Part 1 of 2). System Board Devices and Features IBM Personal System/2 Hardware Interface Technical Reference 1-4 System Overview System Board I/O Address Map Figure 1-3 is the I/O address map. System Overview 1-5 Figure 1-3 (Part 1 of 2). System Board I/O Address Map Figure 1-3 (Part 2 of 2). System Board I/O Address Map 1-6 System Overview Specifications System Overview 1-7 Figure 1-4. Performance Specifications Figure 1-4 to Figure 1-7 list the specifications for the computers. Physical Specifications Figure 1-5. Physical Specifications 1-8 System Overview Electrical Specifications Figure 1-6. Electrical Specifications System Overview 1-9 Figure 1-7. Acoustical Readings Acoustical Readings Power Supply Voltages Output Protection Voltage Sequencing Power Supply Connector Page Section 2. System Board Description cache line Microprocessor Cache Memory Operation Cacheable Address Space code read operations only Bus Adapter Keyboard/Mouse Connector Signals Connector Scan Codes Page Keyboard ID IBM Personal System/2 Hardware Interface Technical Reference Displayable Characters and Symbols IBM Personal System/2 Hardware Interface Technical Reference Hard Disk Drive Connector 2-8 System Board Figure 2-7. Hard Disk Drive Connector Pin Assignments External Bus Connector Figure 2-8 (Part 1 of 2). 240-Pin External Bus Connector Pin Assignments System Board 2-9 Figure 2-8 (Part 2 of 2). 240-Pin External Bus Connector Pin Assignments 2-10 System Board Page Figure 2-9 (Part 1 of 2). UltraSlim Bay Connector Pin Assignments 2-12 System Board Figure 2-9 (Part 2 of 2). UltraSlim Bay Connector Pin Assignments System Board 2-13 Diskette Drive and Controller Memory ROM Subsystem RAM Subsystem System Memory Map x System Board Memory for the DIMM Connectors System Board 2-17 Figure 2-12. DIMM Adapter Card Memory Connector Pin Assignments RT/CMOS RAM Page Page Real-Time Clock Bytes (Hex 00000D): Status Register A (Hex 00A) Status Register B (Hex 00B) Status Register C (Hex 00C) Status Register D (Hex 00D) Diagnostic Status Byte (Hex 00E) Shutdown Status Byte (Hex 00F): Diskette Drive Type Byte (Hex 010): Hard Disk Drive Type Byte (Hex 011): Hard Disk Drive Type Byte (Hex 012): Reserved Bytes (Hex 013): Equipment Byte (Hex 014): Page Miscellaneous System Functions and Ports Nonmaskable Interrupt (NMI) System Control Port A (Hex 0092) IBM Personal System/2 and Personal Computer BIOS Interface System Control Port B (Hex 0061) Power-On Password Easy-Setup IBM Personal System/2 Hardware Interface Technical Reference Other Passwords ThinkPad User's Guide Selectable Drive-Startup Sequence ThinkPad User's Guide drive-startup sequence Hardware Compatibility Error Codes 2-34 System Board Figure 2-34 (Part 1 of 2). Error Codes Figure 2-34 (Part 2 of 2). Error Codes System Board 2-35 Page Section 3. Subsystems Video Subsystem Video Modes The video subsystem supports the modes listed in Figure 3-1 and Figure 3-2 on page 3-4: Subsystems 3-3 Figure 3-1. BIOS Video VGA Modes Figure 3-2. Video BIOS Extended ModesNeoMagic NM2160 3-4 Subsystems Modem Subsystem ThinkPad Modem MIDI Port Function Sound Blaster Support Function Telephony (Modem) Function Audio Subsystem MIDI Port Function Sound Blaster Support Function Audio Port Specifications Infrared (IR) Subsystem IRQ Level and DMA Channel PC Card Subsystem Pin Assignments Figure 3-3 shows the pin assignments for the PCMCIA slots. 3-10 Subsystems Figure 3-3 (Part 1 of 2). PCMCIA PC Card Slot Pin Assignments Figure 3-3 (Part 2 of 2). PCMCIA PC Card Slot Pin Assignments IDE Channel on the UltraSlim Bay MIDI/Joystick Port MIDI Interface Page Page Appendix A. System Resources A-2 A-3 Page Appendix B. System Management API (SMAPI) BIOS Overview Page Overview Header Image Page Calling Convention Parameter Structure SMAPI BIOS B-7 Page Page Calling Convention Pseudo Code Assembler Language C Language Return Codes Function Description System Information Service Page Page Page Page Page Page Page Get Refresh Rate Capability B-20 SMAPI BIOS SMAPI BIOS B-21 System Configuration Service Get Display Device State B-22 SMAPI BIOS SMAPI BIOS B-23 Page Page Page Page Page Power Management Service Page Page Page Page Event Bit Definition Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Samples Data Structure SMAPI BIOS B-53 Assembler Language Page SMAPI BIOS B-55 Page Page Installation Check Assembler Language: Page Page Page BIOS Call Assembler Language: Page Page Appendix C. Appendix C Page Index A B C D E G H X-2 I J O P X-3 R S X-4 T U X-5 V W