IBM 1400 (2611) Power Switch, Diagnostic Program Diskette

Power Switch
The system has no power shutdown switch. If the com-
puter 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