IBM Aptiva 2170, Hardware Maintenance Service Manual

Page: 83 / 252

Check Procedures 49
Fax/voice modem software
program invokes but has no
sound output. (Data files are
received normally; voice from
modem cannot be produced,
but system sound feature
works normally.) Ensure that the modem voice-in cable from modem
adapter card to system board CN21(for 2170) or
CN12(for 2171/2172) is connected properly. See
“Machine Type 2170 System Board Jumpers and
Connectors” on page 147 and “Machine Type 2171
and 2172 System Board Jumpers and Connectors”
on page 150.
“Factory-Installed Modem Card” on page 56.
Modem ring cannot wake up
system from suspend mode. Ensure the “Modem Wake-Up on Ring” in BIOS
Setup is set to [Enabled]. “Power Management
Mode” on page 20.
If PCI modem card is used, reinsert the modem card
to PCI slot firmly or replace modem card.
If ISA modem card is used, ensure the modem ring-
in cable from the modem card to system board
CN19(for 2170) or CN13(for 2171/2172) is
connected properly. See “Machine Type 2170
System Board Jumpers and Connectors” on page
147 and “Machine Type 2171 and 2172 System
Board Jumpers and Connectors” on page 150.
In Win 98 ensure that telephone application is
configured correctly for your modem and set to
receive messages and/or fax.
Video and Monitor
Video memory test failed.
Video adapter failed.
Remove all non factory-installed cards.
Load default settings (if screen is readable).
System board
Table 2-3 Error Symptoms List
(Continued)
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed
to a check procedure, replace the FRU indicated in the check procedure. If no
check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Error Symptoms Action/FRU