
Contents
Figures | . . . . | . . . . . | . | . | . | . | . | . .v |
Tables | . . . . | . . . . . . | . | . | . | . | . | . vi |
Preface | . . . . . . . . . . . . . . . vii | |||||||
Section 1. | System Overview | . . . | . | . | . | . | . | . |
Description . . . . . . . . . . . . . .
System Board Devices and Features. . . . . . . . . . . .
System Board I/O Address. .Map. . . . . . . . . . . . 1.
Power Supply | . . . . | . . . . . . . . . | ||||||
Voltages . . . . |
| |||||||
Output Protection . . | ||||||||
Voltage Sequencing | . . | |||||||
Power Supply | ||||||||
Battery Pack . . . . | . . . . . . . | . . | ||||||
Section 2. | System Board |
|
|
| . . . . . . . . . . | |||
Description | ||||||||
Microprocessor | ||||||||
Cache Memory | ||||||||
Cacheable Address | ||||||||
Keyboard/Mouse Connector | . . . . . . . . . . | |||||||
Signals | . . | . | . | |||||
Connector | . | . | . | |||||
Scan Codes |
| . . . . . . . . . . . . . | ||||||
Keyboard ID | ||||||||
Displayable Characters and | ||||||||
Hard | Disk | Drive | ||||||
External Connector . . |
| . . . . . . . . . . |
Diskette Drive and Controller. . . . . . . . . . . . . . .
Diskette Drive
Memory | ||||||
ROM Subsystem |
| . . . . | ||||
RAM Subsystem | . . . . | . . . . . . . . | ||||
System Memory Map . . . . . . . . . . . . . . . . . 2. | ||||||
System Board Memory Connector for | ||||||
RT/CMOS RAM |
|
| . . . . | . . . . . . . . | ||
Miscellaneous | System | Functions | and | |||
Nonmaskable | Interrupt | |||||
Copyright | IBM | Corp. | 1996, | 1997 | iii |