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ThinkPad 701C/701CS (2630)
Checkout Guide . . . . . . . . . . . . . . . . 127
General Checkout . . . . . . . . . . . . . . 128
Memory Checkout . . . . . . . . . . . . . . 128
Keyboard/Auxiliary Input Device Checkout . . . 131
TrackPoint III Checkout . . . . . . . . . . . 132
Diskette Drive Checkout ........... 133
Hard Disk Drive Checkout .......... 133
MultiPort II Checkout . . . . . . . . . . . . 134
Power Systems Checkout .......... 135
Infrared Transceiver Checkout ........ 137
PCMCIA Checkout . . . . . . . . . . . . . . 139
Symptom-to-FRU Index . . . . . . . . . . . . . 141
Numeric Error Codes ............. 142
FRU Codes . . . . . . . . . . . . . . . . . 144
Beep Symptoms . . . . . . . . . . . . . . . 145
No-Beep Symptoms . . . . . . . . . . . . . 146
LCD-Related (Video) Symptoms ....... 146
Keyboard and TrackPoint III Symptoms .... 148
MultiPort II Related Symptoms ........ 148
Indicator Related Symptoms ......... 149
Power Related Symptoms .......... 149
Function Related Symptoms ......... 150
Infrared Related Symptoms .......... 151
Audio Related Symptoms .......... 151
Peripheral Device Related Symptoms ..... 151
Other Symptoms . . . . . . . . . . . . . . . 152
Intermittent Problems . . . . . . . . . . . . 152
Undetermined Problems . . . . . . . . . . . 152
Related Service Procedures ........... 154
Understanding Fn Key Combinations ..... 154
Reading Status Indicators .......... 155
Understanding the Power-On Self-Test .... 155
Removing the Power-On Password ...... 156
Running the Diagnostics ........... 156
Printing and Displaying Error Logs ...... 157
Checking Installed Devices .......... 157
Running the Low-Level Format ........ 158
Reading the PC Test Card LED ....... 158
Removing PCMCIA Cards .......... 159
Product Overview . . . . . . . . . . . . . . . . 159
FRU Removals and Replacements ........ 161
Disassembling the ThinkPad 701C/701CS . . . 163
Disassembling the LCD Assembly ...... 172
Replacing the Top System Board ....... 178
Removing and Replacing the SO-DIMM Card . 178
Locations . . . . . . . . . . . . . . . . . . . . 181
System (Front View) ............. 181
System (Left Side View) ........... 182
System (Right Side View) .......... 182
System (Rear View) ............. 183
Top System Board (Top View) ........ 184
Copyright IBM Corp. 1995 125