RIO Remote I/O System User Guide
Windows NT troubleshooting
Page 303
COM ports are not accessibleRIO NT driver is operating satisfactorily but then fails
Symptom Action required
A window entitled Service Control
Manager is displayed with the message:
At least one service or driver failed
during startup. Use Event Viewer to
examine the event log for details.
1. Check the Windows NT Even t Viewer; you
will see actions suggested to you.
2. Run Windows NT Diagn ostics to find
available IRQ and memory addresses.
(You may need to reserve settings in the
BIOS setup).
3. Alternatively, test the card with the RIO
Hardware Diagnostics program. See
Testing RIO host cards with the
Hardware Diagnostics program on
page 312.
Symptom Action required
None 1. Run the RIOC ONF configuration utility.
2. If a picture of the RTA is shown with the host card;
a. Check that the RTA is connected to the host card
with a solid green line.
b. If no line is dis played try power-cycling the RTA.
Failing this, try re-booting the system.
c. If the line has still not changed try re-installing the
driver.
d. Once a green li ne is displayed, configure the RTA
to set the COM device names for the system.
3. If no picture of an RTA is shown with the host c ard;
a. Check connection of RTA link cable.
a. Check power to the RTA, and power cycle unit.
b. Reinstall the driver.