IBM 2140 Personal Computer User Manual


 
33.6 Kbps and 56 Kbps DSVD Modem Adapters
Note: The factory-installed modem is a DSVD (Digital Simultaneous Voice
and Data) modem with cables for modem to audio and modem ring
detect.
001
Insert the Diagnostics and Utilities CD into the CD/DVD-ROM drive.
Power-off the system unit.
Power-on the system unit.
Make a note of any error messages, then press Esc.
Select Advanced Diagnostics from the Main Menu.
Select Interactive Test from the Main Menu.
Select Modem from the menu.
Follow the prompts and perform the test.
DID ANY TESTS FAIL?
Yes No
002
Link to a computer service, such as a bulletin board or to another
computer.
DID THE MODEM COMMUNICATE?
Yes No
003
Check the outside phone line by connecting a working
telephone to the telephone wall jack. Listen for a dial tone.
If the phone line is good, replace the modem. If the symptom
remains, replace the system board.
If the phone line is bad, tell the customer to contact the
telephone company. The modem does not need replacing.
004
(Step 004 continues)
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