IBM 1412 - Manual (Page 33)

Power Switch
If the computer cannot be turned off by pressing the power
switch, try pressing it for more than 4 seconds to force the
system to shutdown.
Diagnostic Program Diskette
The Diagnostic Program Diskette (P/N: 09N1020) contains
the PC Doctor diagnostics program. To use PC Doctor,
some test items require some test tools as listed below:
Audio wrap cable (P/N: 65G5180)
FDD: Erasable 2HD diskette
Parallel: Wrap plug (P/N: 72X8546)
Parallel: Test cable (P/N: 05K2580)
Serial: Wrap plug (P/N: 72X8546)
PCMCIA: PC test card (P/N: 35G4703)
CD-ROM/DVD-ROM: Any data and audio CDs
Screwdriver kit (P/N: 95F3598)
Screwdriver kit (P/N: 05K4693)
Torque screwdriver (P/N: 05K4695)
5mm socket wrench (P/N: 05K4694)
Running the PC Doctor Diagnostics
Program:
To run PC Doctor:
1. Shutdown the computer.
2. Insert the PC Doctor for DOS diskette #1 into the
diskette drive.
3. Turn on the computer.
4. Select the correct model name and test type while the
PC-DOS Startup Menu is shown on the screen:
Generic PC-Doctor DOS Testing
ThinkPad 240 Series
ThinkPad 390E/390X
ThinkPad 570 Series
ThinkPad 600X
ThinkPad i 1400
5. Press Enter and follow the instructions on the screen.
Using the PC Doctor Diagnostics Program:
To use PC Doctor:
1. Press the left and right arrow keys to move around
the main menu; then press Enter to enable the high-
lighted option.
The main options are: Diagnostics, Interactive Tests,
Hardware Info, Utility and Quit.
ThinkPad i Series 1400 29