Lenovo ThinkPad i Series 1400 Hardware Maintenance Manual (August 1999) - Page 57

Power Switch The system has no power shutdown switch. If the computer cannot be turned off by pressing the power switch, try pressing (sliding and holding) it for more than 4 seconds to force the system to shutdown. Diagnostic Program Diskette The Diagnostic Program Diskette contains the following seven programs: PQA System Test Modem Dial and Data Transfer Test PCMCIA IBM Wrap Card Test Audio and Speaker-Out Test CD Player Test Thermal Sensor Test USB Register and Connection Test Note: Some test items require tools as shown below: Audio Wrap cable (P/N: 66G5180) Eraseable 2HD diskette Parallel Wrap plug (P/N: 72X8546) Parallel test cable (P/N: 05K2580) Serial Wrap plug (P/N: 72X8546) Screwdriver Kit (P/N: 95F3598) Screwdriver Kit (P/N: 05K4693) Torque Screwdriver (P/N: 05K4695) 5mm Socket Wrench (P/N: 05K4694) PCMCIA: PC test card (P/N: 35G4703) CD-ROM: Any data and audio CDs ThinkPad i Series 1400 Diagnostics Diskette (P/N: 01K4841) ThinkPad i Series 1400 Utility Diskette (P/N: 01K4842) Running the PQA Diagnostics Program: Attention: Before running the PQA Diagnostic Program, make sure that the write enable tab of the Diagnostic Program Diskette is set to enable. Boot from the Diagnostic Program Diskette and select "PQA System Diagnostics Program" from PC DOS 7.0 Startup Menu. The PQA main menu appears on the screen. ThinkPad i Series 1400 (Part I) 49