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Troubleshooting
16 Troubleshooting
This chapter describes general malfunctions and specific er-
ror messages, and suggests remedies. The error messages
are grouped according to the operating platforms in which
the AVM ISDN-Controller B1 v3.0 can be operated.
16.1 General Malfunctions
The AVM ISDN-Controller is not detected or not initialized.
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You are unable to establish an ISDN connection.
If the ISDN-Controller is correctly installed but you are unable
to establish a connection, check for the following conditions:
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Controller B1 v3.0 – 16 Troubleshooting
Have you installed other new hardware components or
changed the configuration of existing hardware?
If so, check whether conflicts have arisen in the assign-
ment of system resources (I/O addresses and IRQ lev-
els). Use the Device Manager in Windows 2000/NT/Me/
98/95, accessible from "Settings / Control Panel / Sys-
tem". In Windows 3.x and MS-DOS, use the MSD.EXE
program included in the package.
If you are using a computer with a PCI/ISA bus, make
sure that the interrupt selected on the AVM ISDN-Con-
troller is also available on the relevant bus (computer
setup or ICU utility).
Have any changes been made to the computer's BIOS
setup?
Has the configuration of your computer been changed
(for instance, boot menus, memory manager, etc.)?
Is the ISDN-Controller firmly inserted in the computer
slot? Is its slot plate screwed down?
Is the ISDN cable firmly inserted in the AVM ISDN-Con-
troller and connected to your ISDN socket?
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