Lenovo PC 300 Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and Net - Page 4

Removals and Replacements of machine type 2196, 2197, and 6344 99 Identifying the Parts of the System Unit ...100 Top Cover ...102 Adapter Cards...103 Diskette Drive...104 CD-ROM Drive ...105 Hard Disk Drive...106 System Board ...107 Power Supply...108 Memory (DIMM) ...109 Parts/Test Point Locations ...111 Introduction ...112 Layout of System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP 113 Jumper Settings of the System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP 114 Connectors and Functions of System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP)..... 115 Layout of System Board of Machine Type 6344 (US/Canada/LA 116 Connectors and Functions of System Board of Machine Type 6344 (US/Canada/LA 117 Layout of System Board of Machine Types 2193 and 2196 118 Jumper Settings of the System Board of Machine Types 2193 and 2196 119 Connectors and Functions of System Board of Machine Types 2193 and 2196 120 Layout of System Board of Machine Types 2194 and 6345 121 Jumper and Connector Settings of the System Board of Machine Types 2194 and 6345 122 Power Supply Cable Connector Specifications ...127 Main Output Pin Assignment...128 Factory-Installed Modem Card Layout ...130 Factory-Installed Modem Card Connector Functions 130 3.5-In. Hard Disk Drive Jumper Locations & Settings 131 CD-ROM Drive ...132 CD-ROM Emergency-exit ...132 CD-ROM Drive Rear Panel Connectors and Features 133 CD-ROM Drive Jumper Settings ...133 DIMM Configurations ...134 System Board Connector Pin Signals ...135 Monitor Port Signals...135 Serial Port Signals ...135 Parallel Port Signals...135 Mouse Port Signals ...135 Keyboard Port Signals ...136 Diskette Drive Cable Connector Signals ...137 IDE Cable Connector Signals ...138 Safety Inspection Guide...139 General Guidelines ...140 Parts Catalog ...141 Parts Catalog of machine type 2193, 2194, and 6345 142 Assembly 1: System Unit ...142 Assembly 2: Diskette Drive, Hard Disk Drive 145 Assembly 3: CD-ROM, Modem Card ...146 Assembly 4: Keyboard and Mouse ...148 Parts Catalog of machine type 2196, 2197, and 6344 152 Assembly 1: System Unit ...152 Assembly 2: Diskette Drive, Hard Disk Drive 155 Assembly 3: CD-ROM, Modem Card ...156 Assembly 4: Keyboard and Mouse ...158 Appendix A. Online Support Information ...160 Index 4