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IBM ThinkPad 560 - Page 3

IBM ThinkPad 560
136 pages
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Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Section 1. System Overview . . . . . . . . . . . . . . . . . . . 1-1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
System Board Devices and Features ............... 1-3
System Board I/O Address Map .................. 1-6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Output Protection . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Voltage Sequencing . . . . . . . . . . . . . . . . . . . . . . . 1-12
Power Supply Connector .................... 1-12
Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Section 2. System Board . . . . . . . . . . . . . . . . . . . . . 2-1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Cache Memory Operation .................... 2-2
Cacheable Address Space .................... 2-3
Keyboard/Mouse Connector . . . . . . . . . . . . . . . . . . . . . 2-4
Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Scan Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Keyboard ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Displayable Characters and Symbols .............. 2-7
Hard Disk Drive Connector ..................... 2-8
External Connector . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Diskette Drive and Controller ................... 2-11
Diskette Drive Connector ..................... 2-12
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
ROM Subsystem . . . . . . . . . . . . . . . . . . . . . . . . 2-13
RAM Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
System Memory Map ...................... 2-14
System Board Memory Connector for DIMM ........ 2-14
RT/CMOS RAM . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Miscellaneous System Functions and Ports .......... 2-26
Nonmaskable Interrupt (NMI) ................. 2-26
Copyright IBM Corp. 1996, 1997 iii

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