IBM X23 - Manual (Page 38)

Notes:
v In the Keyboard test in Interactive tests, the Fn key is
scanned only once. Because of this, each key should be held
down for at least 2 seconds or it will not be sensed.
v The sound card is not recognized in the Stereo Speaker in the
Interactive Tests. To test it, use the audio device test in the
Other Devices (Diagnostics).
v Video Adapter test supports only the LCD display on
ThinkPad. Before running PC-Doctor DOS, detach the external
Monitor.
v To test ZIP Drive or LS-120 Drive, each media is needed to be
inserted before start testing.
v Wireless LAN test is only for some models. Some model do
not have them.
v To test Digital Signature Chip, the chip must be enabled and
initialized.
v When legacy Floppy Drives is Enabled in the BIOS Setup
Utility, Diskette Drives test is activated even if no diskette
drive is attached to the ThinkPad.
v There are 5 kinds of modem test in Other Devices test menu.
Please check first which modem device you want to test as
belows.
Lucent Modem (M2) Loopback
Lucent Modem (M2)
Dialtone/DTMF
Lucent Modem
Lucent Soft Modem Loopback
Lucent Soft Modem Dialtone
Software Modem used in
Wireless Combo Card
Intel Modem Register
Intel Modem Loopback/DTMF
Intel combo / Xircom Depop
Combo Card
Intel SP Modem Register
Intel SP Modem
Loopback/DTMF
Intel SP Combo Card
3Com MiniPCI Modem Test
3Com MiniPCI Dialtone Test
3Com Combo Card
4. Run the applicable function test.
5. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows messages describing it.
6. To exit the test, select Quit-Exit Diag. To cancel the
test, press Esc.
Note: After executing PC-Doctor, check the system
time/date and reset them if needed.
34 ThinkPad X20, X21, X22, X23, X24