Specifications
99
Error Messages
and Diagnosis
Troubleshooting
This section deals with problems that you may encounter that do not provide an error
message. If an error message displays, see the Error Messages and Diagnosis section of
this Appendix, starting on page 99.
Table J-1. Troubleshooting Error Messages
Symptoms Possible cause(s) Solution
System appears to boot
(evidenced by RUN LED
being on, floppy and hard
disk being accessed) but
provides no video.
If not using the built-in VGA,
then the EXM-based video
adapter may not be fully
seated in subplane.
Remove the video adapter. If the
subplane is secured to the VMEbus
backplane by retaining screws,
verify that the subplane is not
warped from over tightening the
screws. Reinsert the video adapter
and verify seating into the subplane.
Monitor or cable problem
(with or without onboard
video).
Verify that the cable pins are not
bent and the cable is fully seated in
the video adapter. If necessary, try
the monitor on another system to
verify that the monitor is good.
Subplane failure or other
hardware failure (with or
without onboard video).
Call RadiSys Technical Support.
EPC-8A cannot talk to EXM
expansion interface.
Call RadiSys Technical Support.
System fails at power-up—
does not run power-on
self-test. May be
accompanied by
combinations of beep
tones from the speaker.
The system is not getting
power.
Check the backplane and verify that
+5V power is good. Verify that the
subplane is fully seated in the VME
backplane and the EPC-8A is fully
seated in the subplane.
BIOS detected a failure See
BIOS Beep Codes
table below.
SIMM missing or loose. Check that the SIMM is still present
or connected.
Hardware failure. This cannot be diagnosed in the
field. Call RadiSys Technical
Support.
Serial port(s) do not work. Bad power. Verify that backplane +12V and
–12V are good.
Interrupt conflicts An EXM module is using the same
interrupts as COM1 and/or COM2.
Verify that no other card in the
EPC-8A subsystem is using IRQ3 or
IRQ4.
Port hardware failure. Call RadiSys Technical Support.
Appendix J
J