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Modem Board Checkout
Do the following to isolate the problem to the system
internal modem:
1. Boot from and start PC Doctor. (See “PC Doctor
System Diagnostics” on page 51 for details.)
2. Select Diagnostics.
3. Select Other Devices.
4. Run Modem Loopback Test and Modem
Dialtone/DTMF Test.
5. Follow the instructions in the message window.
6. If the test detects a modem problem, replace the
modem card.
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ThinkPad 390E
Summary of Contents for ThinkPad 390E
Page 1: ...S37L 5153 01 IBM Mobile Systems ThinkPad 390E 2626 Hardware Maintenance Manual March 1999 ...
Page 6: ...vi ThinkPad 390E ...
Page 9: ...Service Tools 118 Notices 119 Trademarks 119 Contents ix ...
Page 10: ...x ThinkPad 390E ...
Page 28: ...18 ThinkPad 390E ...
Page 116: ...Switch Location Keyboard Lan guage US European Japanese J2 ON OFF J3 ON ON 106 ThinkPad 390E ...
Page 130: ...IBM Part Number 00N5907 Printed in U S A S37L 5153 ð1 ...