DEC AlphaServer 1000A Owner's Manual page 172

Table 8-11 Troubleshooting Monitor and Terminal Problems
Possible Cause
The monitor or terminal are not
turned on.
The monitor or terminal brightness
and contrast controls are incorrectly
set.
Incorrect graphics configuration.
The terminal cable is not connected
to the correct serial port.
If you are using a console terminal,
check the baud rate setting for the
terminal and system. The system
default baud rate setting is 9600.
The power cord is not connected.
The power cord may be faulty. The
power cord socket may not be
working.
If you are using other than the
standard on-board
settings may be incorrect.
The terminal or monitor fuse may
have blown.
The port to which the terminal or
monitor connects may not be the
correct one.
The port to which the terminal or
monitor connects may be faulty.
8-16 Troubleshooting
Action
Check that the monitor or terminal is turned on.
Make sure that all cables are connected at both ends.
Adjust the monitor or terminal contrast and brightness
controls.
See Chapter 6, "Configuring."
Check the serial port to which the terminal cable is
connected. Make sure that it is connected to the left-
hand serial port (COM1).
Connect the console terminal to the COM1 serial
communication port and set the console environment
variable to serial (set console serial
command).
Make sure that all the power cords are connected
correctly at both ends. Try a power cord that works or
test the power socket with an appliance that works.
Make sure that on-board
controller, to disabled through the
VGA
the upper-left corner of the system board is disabled
(off), and the console environment variable is set to
"graphics."
Combining multiple VGA controllers will produce
unpredictable results, and use of multiple VGA
controllers is not recommended or supported.
Replace the blown terminal or monitor fuse. Refer to
the terminal or monitor documentation.
Ensure that your monitor cable is plugged into the
correct graphics port if you have an optional graphics
card installed. You should plug the cable into the
connector of your option card, not the connector on the
system board.
Try connecting the terminal or monitor to another
system using the same terminal or monitor cable. If
the terminal or monitor works, the port to which the
terminal or monitor was connected is faulty. Contact
your service representative.
options are set
CIRRUS VGA
, the jumper (J27) on
ECU VGA
AlphaServer 1000A Owner's Guide