AccessECU 2005, User Manual

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C. C.
C. C. C. If your COM port is configured but conflicts with another device on your
If your COM port is configured but conflicts with another device on your
If your COM port is configured but conflicts with another device on your If your COM port is configured but conflicts with another device on your If your COM port is configured but conflicts with another device on your
system, complete the following steps:
system, complete the following steps:
system, complete the following steps: system, complete the following steps:
system, complete the following steps:
Note: Windows XP will attempt to resolve any resource conflicts
automatically. The following steps may not apply under Windows XP.
1. A hardware conflict will be denoted by a yellow exclamation mark icon on
top of the normal COM port icon. If you see a conflict on your COM port,
right-click on it and select “Properties” from the list.
2. Inside the COM Port Properties window, go to the “Resources” tab. There
are two items of note on this tab: the “Input/Output Range” (I/O Range) and
the “Interrupt Request” (IRQ). Write down the current values for both of
these.
Example: COM 1: I/O Range 03F8 – 03FF, IRQ 04
3. Hit “OK” to close the COM Port Properties window. Back in the Device
Manager window, view the resources currently in use by the system. The
method for doing this is different between different versions of Windows...
Windows 95/98/NT: At the top of the device tree will be an item called
“Computer.” View the properties for this item to bring up the “Computer
Properties” window. You should automatically see the “View Resources” tab
with “Interrupt request (IRQ)” selected.
Windows ME/2000/XP: There is a “View” selection on the Device Manager
window menu. Click on this and select “Resources by type.”
4. Referencing the I/O Range and IRQ currently in use by your COM port as well
as the following list, check to see which I/O Ranges and IRQs are currently in
use by your system. By this point, it is already established that the current
COM port configuration will not work without reconfiguring another device
on your system. It would be best then to see if one of the alternative COM
port configurations will work. First, check to see if IRQs 3 or 4 are available.
You will be able to tell if they are available because they will not show up in
this list. Then check to see if any of the I/O Ranges from the list below are
available. Again, you will be able to tell if an I/O Range is available because it
will not show up in the list.
Communication Port Configuration Values:
COM 1 = I/O Range 03F8 – 03FF, IRQ 4
COM 2 = I/O Range 02F8 – 02FF, IRQ 3
(The following are uncommon; use only if absolutely necessary)
COM 3 = I/O Range 03E8 – 03EF, IRQ4
COM 4 = I/O Range 02E8 – 02EF, IRQ3
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