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Identical interrupts for divisor latch register Identical interrupts for divisor latch register
Symptom: Received an event viewer error
Error message: "Identical interrupts for divisor latch register" means?
Cause: Most likely conflicting non-intelligent port(s) have been configured.
Solutions:
When changes are made in Control Panel, Ports. The conflict must be removed either by changing the names of the Digi ports to avoid the conflict or by removing the conflicting serial port configuration(s). To remove these error messages, follow these steps:
Start the registry editor by typing start regedt32 from the command prompt.
Select the following: HKEY_LOCAL_ MACHINE on Local Machine, System, CurrentControlSet, Services, Serial, Parameters. Typically, no keys should be listed beneath Parameters. Check the values of any keys listed to locate the conflicting serial port(s).
Delete any conflicting keys under Parameters. Highlight the serial port key and press Delete. Repeat for each conflicting serial port configuration. Reboot the system and check the event viewer to verify that the error messages do not reoccur. The errors may reappear later if any operations are attempted in Control Panel, Ports.
CAUTION: Any mistakes made in editing the registry may have disasterous results requiring you to boot to a different Control Set or to reload Windows NT.
Related Information:
http://supportold.digi.com/support/techsupport/nonunix/winnt/ntfaq.html
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