Compaq Armada e500 Compaq Armada E500 and Armada V300 Maintenance and Service - Page 61

Table 2-13, Solving Infrared, Problems

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Table 2-13 Solving Infrared Problems Problem Possible Cause Solution Cannot communicate with another computer The appropriate software is not running on both computers. Install the appropriate software on the second device, start the second device, and start the program on both computers. The other computer does not have an IrDA-compliant infrared port. Your Compaq computer uses the IrDA communications protocol. Communication between infrared devices must use the same communications protocol. Check the manufacturer's instructions for connecting with infrared devices or try connecting with a device you know to be IrDA-compliant. The pathway Remove the obstruction, between the infrared align the infrared ports to ports is obstructed, within 30 degrees, and one port is more than position computers within 30 degrees (plus or 1.5 feet (about 0.5 meter) minus 15 degrees off of each other. the center line) from the other, or the ports are more than one meter apart. There is an interrupt request (IRQ) conflict. Check for IRQ conflicts in the Device Manager. If two devices have the same IRQ address, reassign one of the devices. There is a baud rate Select the same baud conflict. rate for both computers. There is a conflict with the # bits. Select the same # bits setting for both computers. There is a stop byte Select the same stop byte conflict. for both computers. There is a parity conflict. Select the same parity setting for both computers. Continued Troubleshooting 2-25

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Troubleshooting
2-25
Table 2-13
Solving Infrared
Problems
Problem
Possible Cause
Solution
Cannot communicate
with another
computer
The appropriate
software is not
running on both
computers.
Install the appropriate
software on the second
device, start the second
device, and start the
program on both
computers.
The other computer
does not have an
IrDA-compliant
infrared port. Your
Compaq computer
uses the IrDA
communications
protocol.
Communication between
infrared devices must use
the same communications
protocol. Check the
manufacturer’s
instructions for
connecting with infrared
devices or try connecting
with a device you know to
be IrDA-compliant.
The pathway
between the infrared
ports is obstructed,
one port is more than
30 degrees (plus or
minus 15 degrees off
the center line) from
the other, or the
ports are more than
one meter apart.
Remove the obstruction,
align the infrared ports to
within 30 degrees, and
position computers within
1.5 feet (about 0.5 meter)
of each other.
There is an interrupt
request (IRQ)
conflict.
Check for IRQ conflicts in
the Device Manager. If
two devices have the
same IRQ address,
reassign one of the
devices.
There is a baud rate
conflict.
Select the same baud
rate for both computers.
There is a conflict
with the # bits.
Select the same # bits
setting for both
computers.
There is a stop byte
conflict.
Select the same stop byte
for both computers.
There is a parity
conflict.
Select the same parity
setting for both
computers.
Continued